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Managingyour oil

contamination

RMF SYSTEMSRadialMicro

Filtration

RMF Systems / Doedijns HydraulicsThe name RMF Systems has become synonymous with the latest developments

in filtration technology. RMF filter units are the most complete and efficient

filter series available today. Worldwide a great success in a huge range of

hydraulic applications. The solution to contamination problems which cause

more than 80% of all hydraulic malfunctions and component defects.

The filter units of RMF Systems have a large dirt and water collection capacity

and are famous for their excellent filtration efficiency.

Costly main flow filters are protected and malfunctions are reduced to a

minimum. Oil life is increased resulting in lower oil change frequency and less

machine downtime.

The wide range of RMF products consist of: Air conditioners, By-pass units,

Off-line units, Off-line units with water sorb, Heated Off-line units, Off-line

units air driven, Vacuum dehydration units, Filter elements and By-pass lube

oil units.

Doedijns organisation

The brand RMF Systems is registered, designed, developed and produced in-

house by Doedijns Hydraulics B.V. in The Netherlands.

Doedijns Hydraulics is a leading manufacturer and supplier of fluid power

solutions and one of the largest independent specialists in the Benelux in

the field of hydraulics, measurement, control systems and oil management.

Alongside sales of leading branded components, the organization specializes

in the development, assembly, production, implementation and after-sales

service of custom-made systems for the industrial, mobile, maritime and

offshore industries.

Doedijns Hydraulics B.V. forms part of Doedijns

International B.V. (head office in The Netherlands),

an international force in the field of hydraulics,

pneumatics and instrumentation.

Doedijns International is a healthy growing

organization with more than 250 employees and

several branches in Europe and Asia.

RMF team / worldwide distribution network

The products of our RMF Systems filtration

programme find their way to the customers

through a worldwide RMF distribution network.

Besides an excellent competitive, innovative

product range and substantial technical &

informative literature in a range of modern media,

the sales support to our RMF distributors

is provided by the RMF team of Doedijns

Hydraulics. A highly qualified team with a wealth

of experience and expertise.

The specialists of our RMF team are on hand

to answer questions and address concerns

on any aspect of oil management. They pay

our distributors regular visits, are present on

international exhibitions and provide an active

education & training program that aids the

exchange of expertise.

www.RMFFIlTER.coM

1

IndexGeneral information RMF Systems 2

RMF ISO Cleanliness levels 10

Air conditioners (dessicant breathers) 12

By-pass filters 16

Off-line filters 22

Water absorbing Off-line filters 26

Heated Off-line filters 30

Air driven Off-line filters 34

Mini Water Vac (vacuum dehydration unit) 38

Lube oil By-pass filters 42

Filter elements 44

2

General information RMF Systems

System contamination

In the hydraulic market it is an accepted fact that contamination causes 80% of

all mechanical failures. This contamination results from the presence of solid

particles such as metal, sand and rubber in oil.

Mainstream filters are incapable of removing the smallest particles, smaller

than 2 micron (better known as silt). Fluctuations in the supply and the

resulting changing conditions (flow and pressure surges) mean that these

filters cannot carry out fine filtration; most of the silt remains in the system

and affects the chemical composition of the oil.

Changes in temperature cause water vapour to condense, resulting in unwanted

water in the oil. The presence of this free water helps to accelerate the

deterioration of the oil.

The combination of water and small copper particles will also create a catalytic

effect which can shorten oil life considerably.

All these problems lead to reduced oil usage life and increase component

wear, maintenance cost and machine down time.

Removing silt and preventing the formation of free water can combat these

problems and reduce the operating cost.

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3

Micro filtration

At the heart of the RMF Off-line and By-pass filter is the unique micro filter

element. This filter works according to the radial through-flow principle.

As it has a filter fineness of 0.5 micron, it is able to remove the smallest of

contamination particles (silt) from the oil.

The filter material is composed primarily of cellulose, which is produced by a

special wrapping method. This material is capable of retaining solid particles

and absorbing water. This helps to prevent the chemical deterioration of the oil

and the formation of various acids and sludge.

A complete range of glass fibre pleated elements in 1, 3 and 5 micron is also

available, including high water retention elements.

Air conditioning

Water vapour in reservoirs condenses due to temperature changes and cause

not only oxidation of the oil, but can also lead to serious mechanical wear in

the system.

Standard air breathers remove a certain amount of solid particle contamination

from the air but allow water vapour to pass through freely.

The special RMF ’Air conditioners’ ensure that incoming air is first dried and

then filtered, allowing only clean dry air to enter the reservoir.

4

off-line filtersRMF Off-line filter units can be applied to every imaginable industrial

application where hydraulic or lubrication systems are present. An integrated

pump-motor unit draws fluid out of the tank, filters it and pumps clean oil back

into the system.

Off-line filters can continue to work even when the main system is not in use.

Element change can also be done without interfering with the main system.

The standard range offers filter units for reservoirs with a capacity of up to

11,000 litres.

Choices of electrical or air motors are available to suit all industrial

requirements and a large selection of filter elements makes it possible to

customize the unit to every specific application. If required pre-filters can fitted

to every type. The Off-line filter units are very simple to install.

Over the years, RMF Systems have developed considerable experience in

cleansing hydraulic and lubrication systems, helping to keep them clean and

reduce down time. Successful applications can be found in the following

industries:

- steel;

- plastic injection moulding;

- power generation;

- marine;

- pulp & paper;

- cement;

- flight simulator.

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5

Heated off-line filtersThe ’Heated unit’ is a unique progression of the Off-line filter series.

The filtration of high viscosity oils, in both hydraulic and lubrication systems, is

an almost impossible task for fine filters as the thickness of these oils ’block’

almost all normal filters.

The RMF Heated unit warms the oil in a specific manner, allowing the viscosity

to be reduced to a level which will permit fine filtration without the oil being

exposed to too high temperatures that could cause overheating and burning of

the oil, rendering it useless.

An internal labyrinth in the heater tube ensures the fluid has a long duration

of stay to increase contact time with the heating element achieving maximum

possible temperature transfer. An adjustable thermostat allows exact tempera-

ture settings while a maximum thermostat prevents overheating.

The Heated units have proved their worth over a long period and are frequently

applied to:

- gearbox lubrication systems;

- wind power drive systems;

- outdoor hydraulic systems;

- marine hydraulic systems.

6

By-pass filtersThe RMF By-pass filter units are especially designed for mobile applications in

the hydraulic and/or transmission systems.

In the absence of a pumped system, the oil is drawn from the main system

by means of a specially designed and integrated pressure compensated flow

control valve. The amount of oil extracted from the main system at any time is

insignificant ensuring that it will not affect the working of the main system.

Most commonly used biodegradable oils in the mobile sector are suitable for

filtration with RMF filter elements.

The By-pass filters can also be equipped with an additional special spin-on

water absorbing pre-filter. They can accommodate a range of different filter

elements to suit any specific requirement.

Over the years, RMF Systems have developed considerable experience in

cleansing hydraulic and transmissions systems, helping to keep them clean,

extend equipment life and reduce cost of ownership (operating costs).

Successful applications include:

- excavators;

- wheel loaders;

- forestry machines;

- asphalting machines;

- cement mixers;

- aircraft ground support equipment;

- sugar cane harvesters;

- agricultural machines.

www.RMFFIlTER.coM

AcT IVE

REPlAcE

7

Air conditionersStandard air breathers remove a limited amount of solid particle contamination

from the air, but allow water vapour to pass through freely.

RMF ’Air conditioners’ (desiccant breathers) are highly effective in removing

both solid particles and water vapour from the air.

The RMF ’Air conditioner’ allows tanks to breathe clean, dry air.

The revolutionary Z-R gel granules dry the air before it enters the oil tank.

This dry air is then filtered by a 3 micron glass fibre (replaceable) spin-on air

filter. The air which enters the oil tank is then clean and dry.

The uptake of moisture can be observed by the change in colour of the

indicator granules in the Z-R gel. They turn from ruby red (active) at the

beginning to a very light orange at saturation (replace). The Z-R gel granules

are completely replaceable, non toxic and non carcinogenic.

An optional contamination indicator shows when the air filter is in need of

replacement.

RMF ’Air conditioners’ can be applied to hydraulic drive systems, gearboxes,

diesel storage tanks and a wide variety of other uses. Examples of successful

RMF ’Air conditioner’ applications can be found in the:

- steel industry;

- paper industry;

- cement/concrete industry;

- petrochemical industry;

- aircraft industry;

- wind energy industry;

- mining industry;

- plastic industry;

- maritime industry.

8

The advantages of RMF Systems

less malfunctions

The tolerances between moving parts in servo valves and proportional valves

are constantly reducing. The result is that even the smallest amounts of silt can

cause damage to the system. RMF filters remove this silt.

Protection of expensive main stream filters

RMF Systems filters are applied in By-pass or Off-line configurations and

constantly clean the oil from the reservoir. The oil which reaches the main

stream filter is therefore cleaner and allows longer usage life of this expensive

filter. The main stream filter then acts primarily as an emergency filter.

less frequent oil changes

Increasingly strict environmental laws in the area of oil changes, oil storage

and the disposal of used oil lead to corresponding cost increases. RMF filters

mean less oil changes, and therefore less costs.

Extended usable life of the oil

Frequent oil changes are generally the result of chemical deterioration of the oil

caused by the oil oxidation process. This process is brought into action by the

presence of silt. If water is also present, this acts as a catalyst and the oxidation

process is accelerated. RMF filters remove silt AND water from the oil.

less machine down time

Reduction of defects caused by worn components and less frequent oil changes

mean an increase in production time.

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9

RMF characteristics in short

The oil filters have:

- a filter fineness in the range of 0.5 - 5µ;

- large particle collection capacity;

- high filtration capacity due to depth effect;

- large water absorption capacity;

- a full range of filter elements.

RMF Systems filters:

- do not adversely affect viscosity or additives;

- do not remove additives;

- reduce the oxidation process;

- reduce the forming of acids;

- SAVE COSTS.

Measuring points

To facilitate quality control of the oil, the RMF By-pass and Off-line oil filters are

equipped with two quick connect measuring points to which a particle counter

can be attached. This offers the possibility of measuring the oil cleanliness

level on-site and under working conditions.

The measuring points also allow oil samples to be drawn for external analysis.

The solution

RMF Systems offer the most complete and efficient filter series available today.

RMF Systems is THE solution to your contamination problems: simple to fit,

equipped with extremely efficient filters and offering the opportunity for simple

control of oil cleanliness.

10

250,000,000.5

130,000,000.5

64,000,000.5

32,000,000.5

16,000,000.5

8,000,000.5

4,000,000.5

2,000,000.5

1,000,000.5

500,000.5

250,000.5

130,000.5

64,000.5

32,000.5

16,000.5

8,000.5

4,000.5

2,000.5

1,000.5

500.5

130.5

32.5

8.5

4.5

2.5

1.5

0.5

2827262524232221201918

17 1716

15 1514

13 131211109876543210

> 4 µm

> 6 µm

> 14 µm

Example:

Larger than 4 µm = 125,000



64

16

Quantifying solid particle contamination

ISo code = 17 / 15 / 13

23 | 21 | 18 18 | 15 | 13 15 | 13 | 8

RMF ISo cleanliness levels

NAS 1638Contamination level according to NAS 1638: the contamination classes are defined by a number (from 00-12) which indicates the maximum

number of particles per 100 ml, counted on a differential basis in a given size bracket. Most industrial users quote a single code which is the

highest recorded in all sizes, e.g. NAS 6.

NAS classes

00 0 1 2 3 4 5 6 7 8 9 10 11 12

5-15 125 250 500 1000 2000 4000 8000 16000 32000 64000 128000 256000 512000 1024000

15-25 22 44 89 178 356 712 1425 2850 5700 11400 22800 45600 91200 182400

25-50 4 8 16 32 63 126 253 506 1012 2025 4050 8100 16200 32400

50-100 1 2 3 6 11 22 45 90 1801 360 720 1410 2880 5760

over 100 0 0 1 1 2 4 8 16 32 64 128 256 512 1024

Structure of ISo 4406 code:

Cleanliness levels are defined by three numbers divided by slashes (/). These numbers correspond to 4, 6 and 14 micron, in that order. Each number refers to an ISO Range Code which is determined by the number of particles for that size (4, 6, 14 micron) and larger present in 100 ml of fluid. Each range is double the range below. Refer to the chart to see the actual ranges.

www.RMFFIlTER.coM

11

To achieve the correct cleanliness level

A combination of f ilters must be used to achieve the correct cleanliness level in a hydraulic or lubrication system.

RMF Systems of fers a comprehensive range of Of f- line f ilters, By -pass f ilters and Air conditioners (desiccant breathers) to achieve and maintain

extremely low contamination levels in hydraulic and/or lubrication systems (water and solid par ticles).

RMF ISo cleanliness levels

Setting the cleanliness level required by a systemStarting at the left hand column, select the most dirt sensitive component used in the system.1.

Move to the right to the column that describes the system pressure and conditions.2.

Here you will find the recommended ISO class level.3.

Low/Medium pressure under 140 Bar

Moderate conditions

High pressure 140-210 Bar Severe conditions

Very high pressure 210 Bar and higher. High pressure

and severe conditions

Pumps

Fixed gear/Fixed vane 20/18/15 19/17/14 18/16/13

Fixed piston 19/17/14 18/16/13 17/15/12

Variable vane 18/16/13 17/15/12 Not applicable

Variable piston 18/16/13 17/15/12 16/14/11

Valves

Check valves 20/18/15 20/18/15 19/17/14

Directional valves 20/18/15 19/17/14 18/16/13

Standard flow valves 20/18/15 19/17/14 18/16/13

Cartridge valves 19/17/14 18/16/13 17/15/12

Proportional valves 17/15/12 17/15/12 16/14/11

Servo valves 16/14/11 16/14/11 15/13/10

Actuators

Cylinders, Vane motors, Gear motors 20/18/15 19/17/14 18/16/13

Piston motors, Swash plate, Gear motors 19/17/14 18/16/13 17/15/12

Hydrostatic drives 16/15/12 16/14/11 15/13/10

Test stands 15/13/10 15/13/10 15/13/10

Bearings

Journal bearings 17/15/12 Not applicable Not applicable

Industrial gear boxes 17/15/12 Not applicable Not applicable

Ball bearings 15/13/10 Not applicable Not applicable

Roller bearings 16/14/10 Not applicable Not applicable

12

Air conditionerscondensation in reservoirs

Hydraulic and lubricating oils must be kept free from contamination and water.

Most fluid reservoirs must be able to breathe, thus allowing water vapour and

solid contaminants to enter. Temperature fluctuations in the reservoir will

cause this water vapour to condense which will not only cause oxidation of the

oil, but can also lead to considerable mechanical damage.

Filtration and drying: a single process

Standard air breathers remove some of the solid particles but allow water

vapour in the air to pass freely. The RMF ’Air conditioner’ deals effectively with

both so reservoirs can breath clean, dry air. The air is first dried by passage

through a column packed with Z-R gel granules. The dried air is then passed

through a pleated synthetic fibre filter element (replaceable spin-on type)

where solid particles are removed, so that the air reaching the reservoir is

both clean and dry.

Monitoring

The uptake of moisture can be observed by the change in colour of the

indicator granules in the Z-R gel. They turn from ruby-red (active) to light orange

(replace). The Z-R gel granules are completely replaceable, non toxic and non

carcinogenic. An optional contamination indicator shows when the air filter is

in need of replacement.

Active coal

RMF ’Air conditioners’ can be fitted with a combination of Z-R gel and active

coal, the active coal will eliminate oil vapour and the smell, it will also prevent

the Z-R gel from being contaminated with this oil damp.

Atmospherically closed

The RMF range also offers some ’Air conditioners’

for gearbox applications which have spring

loaded (0.01 bar) check valves fitted in the

base in opposing directions, opening only

whilst inhaling or exhaling. This way there is

no atmospheric contact with the air and the

Z-R gel under static conditions increasing the

lifetime of the drying agent.

Benefits RMF ’Air conditioner’

• Reducing water contamination level prolongs

the life of the additive package and reduces

oxidation of the oil and bearing surfaces.

• Eliminates rusting due to condensation.

• Reduces machine downtime.

• Extends the machine’s useful life.

• Reduces cost of ownership.

Applications

RMF ’Air conditioners’ can be used on hydraulic

power units, lube and oil tanks, gearboxes, diesel

fuel tanks and storage tanks for biodegradable

fluids. Industries that are successfully applying

’Air conditioners’ include: steel industry, aviation

industry, forestry industry, pulp & paper industry,

cement industry, petrochemical industry and

mining industry.

www.RMFFIlTER.coM

13

Kl..R

SW

Z-R gel

DiRty/moiSt aiR

DRy aiR

Acl..R

Z-R gel

tRanSpaRant

houSing

DiRty/moiSt aiRClean/DRy aiR

DRy aiR

lIGHT VERSIoN SERIES Acl..R/AcM..R Type ACL93R ACL96R ACM61R

Total weight 0.9 kg 1.1 kg 0.4 kg

Z-R gel volume 300 cc 600 cc 100 cc

Water absorbtion 86 gram 172 gram 29 gram

Max. air flow 700 l/min 50 l/min

Absorbtion material Z-R gel 3-6 mm

Z-R gel Non toxic

Dimensions

Type ACL93R ACL96R ACM61R

L1 150 mm 210 mm 135 mm

D Ø 96 mm Ø 68 mm

G ¾” BSP female BSP female

HEAVY DuTY SERIES Kl...RType KL93R KL96R KL121R KL122R

Total weight 1.2 kg 1.5 kg 2.7 kg 4.0 kg

Z-R gel volume 300 cc 600 cc 1,000 cc 2,000 cc

Water absorbtion 86 gram 172 gram 288 gram 576 gram

Max. air flow 700 l/min 1,500 l/min

Absorbtion material Z-R gel 3-6 mm

Z-R gel Non toxic

Dimensions

Type KL93R KL96R KL121R KL122R

L1 145 mm 210 mm 250 mm 360 mm

L2 20 mm 30 mm

D Ø 96 mm Ø 128 mm

G ¾” BSP male 1 ¼” BSP male

SW 32 mm 50 mm

Clean/DRy aiR

Clean/DRy aiR

g

DRy aiR

tRanSpaRant houSing

tRanSpaRant houSing

CheCk valveCheCk valve

Z-R gel

DiRty/moiSt aiR

inhale

aiR exhauSt

AcM..R

14

Table 1 Table 2 Table 3 Table 4

ordering codes:RMF ’Air conditioners’

Filtertype:desiccant breathers

Table 1 Type of body Tank connection Air filter

KL Heavy duty versionMale threading

on stainless steel tube3µ fibre glass spin-on

ACL Light version (only in 93 and 96 series)

Female threading in plastic housing

3µ fibre glass spin-on

ACM Mini light version (only in 60 series)

Female ” threading in plastic housing with two integrated check valves

3µ fibre glass spin-on

Table 2 Conf. Diameter (mm) Height (mm) Connection Weight total (kg) Max. air flow (l/min)61 ACM 68 135 ” BSP (Female) 0.4 50

93ACL 96 150 ¾” BSP (Female) 0.9 700

KL 96 175 ¾” BSP (Male) 1.2 700

96ACL 96 210 ¾” BSP (Female) 1.1 700

KL 96 240 ¾” BSP (Male) 1.5 700

121 KL 128 290 1 ¼” BSP (Male) 2.7 1,500

122 KL 128 400 1 ¼” BSP (Male) 4.0 1,500

Table 3 Type Drying agent Desiccant volume (cc) Nominal water absorbing capacity (gram)

R

61

ZR - Gel

100 29

93 300 86

96 600 172

121 1,000 288

122 2,000 576

RC

93Approx.

Z-R Gel Active Coal(not available for ACM61R)

200 / 100 57

96 400 / 200 115

121 700 / 300 201

122 1,400 / 600 403

2 3 1 3

Table 4 Type OptionsV 121 Integrated check valves (0.01 bar) Only available for KL121 series

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15

ORDERING CODESpare parts Type

Description ACM61R series ACL93 and KL93 series

ACL96 and KL96 series KL121 series KL122 series

Air filter only KL60 (incl. seal) KL90 (incl. seal) KL120 (incl. seal)

Z-R gel refill in air tight container

ACM61 series Refill Z-R gel 80 cc

KL/ACL 93 series Refill Z-R gel 300 cc

KL/ACL 96 series Refill Z-R gel 600 cc

KL 121 series Refill Z-R gel 1000 cc

KL 121 series Refill Z-R gel 2000 cc

Active coal refill in air tight container* N.A.

KL/ACL 93 series Refill active coal

300 cc

KL/ACL 96 series Refill active coal

300 cc

KL 121 series Refill active coal 300 cc

KL 122 series Refill active coal 600 cc

Spare kit including Z-R gel, air filter, seal and foam pads

N.A.Spare kit KL93R/

ACL93RSpare kit KL96R/

ACL96RSpare kit KL121R Spare kit KL122R

* Please note that smallest Active coal refill available is 300 cc container. To be used for 93, 96 and 121 series.

ORDERING CODEAccessories Type

Description ACM61R series ACL93 and KL93 series

ACL96 and KL96 series KL121 series KL122 series

Filter minder (indicator + electr. contact and nipple) N.A. 9331303

Filter minder connector (w/o cable) for use with 9331303 N.A. 9331320

Mounting plate N.A. KL92 KL1202

Mounting plate + filter minder port N.A. KL95 KL1205

Mounting plate + filter minder port + return port N.A. KL91 KL1201

Mounting plate + filter minder port + suction and return port N.A. KL91SR N.A.

KL 92 / 1202 Mouting Plate

KL 95 / 1205 Mouting Plate + Filter minder Port

KL 91 / 1201 Mouting Plate + Filter minder Port + Return Port

KL 91 SR Mouting Plate + Filter minder Port + Return Port + Suction Port

16

By-pass filtersRMF systems

RMF Systems radial micro filter units are characterized by their extremely

efficient filter elements with a fineness of 0.5 micron. If required, different

micron sizes are available to suit any specific application.

The By-pass filters can also be equipped with an additional special water

absorbing prefilter. In case of extreme water contamination, these water

absorbing spin-on cans will remove most of the water prior to the fluid reaching

the cellulose element.

RMF By-pass filters are specially designed for mobile hydraulic installations

and are available in single or double units which are equally suitable for OEM

use and retro-fitting. The By-pass filter comes equipped with an integrated

pressure compensated flow control valve. This valve bleeds oil from the main

hydraulic system, passes this through the filter after which it is returned to

the hydraulic reservoir. The amount of oil extracted from the main system at

any time is insignificant ensuring that it will not affect the working of the main

system. Most commonly used biodegradable oils in the mobile sector are

suitable for filtration with RMF filter elements.

Economical

The hydraulic market accepts that 80% of mechanical failures are caused

by contamination in the system. The RMF By-pass filters attack this

contamination at source and in addition to solid particles, these filters are

also capable of removing water from the oil. This prevents the catalytic

reaction of water and solid particle contamination, resulting in extended

useable oil life.

The use of RMF filters means less defects, less maintenance, and less wear

and tear of the hydraulic components.

Applications

RMF By-pass filter units can be fitted to every

imaginable mobile application where hydraulic

and/or transmission systems are present.

Installation is very simple, the filter housing

provides mounting slots on all four sides and the

pressure and return connections are available

on the side and the back of the By-Pass unit.

In recent years RMF Systems have developed a

great deal of experience in cleaning and keeping

clean hydraulic and transmission systems on:

excavators, wheel loaders, forestry machines,

asphalt machines, concrete pumps, aviation

ground support equipment and agricultural

machines.

Advantages

• Extremely clean oil due to high filtration effi

ciency.

• Prevention of channel forming by radial filtration

direction.

• Large dirt and water holding capacity.

• Compact and easymaintenance design.

• Environmentally friendly elements available.

• Longer usage life for oil and components.


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17

TECHNICAL DATA BY-PASS UNITS

Filter model BPU05A20… BPU1A30… BPU2A30…. BPU1B30….

No. of filter housings 1 1 2 1

Material filter housing Anodised aluminium

Seal material Buna-N standard

Nominal flow 1.4 l/min 2.1 l/min 4.2 l/min 4.2 l/min

By-pass opening pressure 6.2 bar (at 0 bar back pressure)

No. of filter elements 1 1 2 2

Length filter elements 200 mm 300 mm (standard)

Operating pressure flow control valve (min. - max.)

12 - 420 bar

Max. pressure filter housing 20 bar

Max. oil temperature 80 °C

Dirt indicator Pressure gauge (0-10 bar, green/yellow/red zones)

Connection pressure port ¼” BSP female

Diameter hose pressure side ”

Connection return port ½” BSP female

Diameter hose return side ” (½” if you have to use long hoses)

Max. tank volume approx. 300 l approx. 750 l approx. 1,500 l approx. 1,500 l

Dimensions h x w x d (mm) 300 x 131 x 160 400 x 131 x 160 400 x 280 x 160 710 x 131 x 160

Minimum overhead clearance for element removal

300 mm 400 mm 400 mm 700 mm

Sample port connections: P1 filter inlet side (red) P2 filter inlet side (yellow)

Test connector M16x2Test connector M16x2

Approximate weight 5.0 kg 6.0 kg 13.0 kg 10.0 kg

Weight (optional) bracket 0.5 kg 0.5 kg Incl. Incl.

18

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8

BPU

Table 1 Basic configurationBPU By-pass unit Mobile applications

Table 2 Housing configuration Typical reservoir size Number of elements05A Single housing (short version) Suitable for 500 l reservoir 1 pcs element (200 mm)

1A Single housing (single length) Suitable for 750 l reservoir 1 pcs element (300 mm)

2A Twin housing (single length) Suitable for 1,500 l reservoir 2 pcs element (300 mm)

1B Single housing (double length) Suitable for 1,500 l reservoir 2 pcs element (300 mm)

Table 3 Length element20 L = 200 mm

30 L = 300 mm Standard

Table 5 Seal materialB Buna-N Standard

V Viton Optional

Table 4 Filter material

H Cellulose 0.5 micron, sillicon bottom seal

N Cellulose 0.5 micron, NO sillicon bottom seal

G1* Glass fibre, 1 micron, β1 ≥ 200


A5 Glass fibre with polymer, 5 micron β5 ≥ 200

* G1 and G3 also suitable for water glycol

ordering codes:RMF By-Pass units

Filtertype:BPU units

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19

Table 6 Indicator0 Pressure gauge Standard

1 Additional electr. indicator Optional

2 No pressure gauge mounted

Table 7 Options0 No options

1 Without flow control valve

2 Needle valve - NO flow control valve

5 Non standard flow / 2.1 l/min



Table 8 Bracket options0 No options

1 With standard foot / bulk head mounting bracket

2 With ’bulk head mounting only’ bracket (only for single length / single housing available)

3 With standard ’OLU’ wall mounting bracket (single length = 1 bracket, double length = 2 brackets)

20

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9

BPUW

Table 1 Basic configuration

BPUW By-pass unit + water sorb pre-filter Mobile applications

Table 5 Seal material

B Buna-N Standard

V Viton Optional

Table 6 Indicator

0 Standard pressure gauge

1 Additional electr. indicator (5.5 bar rising)Table 4 Filter material

H Cellulose 0.5 micron, sillicon bottom seal

N Cellulose 0.5 micron, NO sillicon bottom seal



A5 Glass fibre with polymer, 5 micron β5 ≥ 200

* G1 and G3 also suitable for water glycol

Table 3 Length element


Table 2 Housing configuration Typical reservoir size Number of elements

1A Single housing (single length) Suitable for 750 l reservoir 1 pcs element (300 mm)


1B Single housing double length) Suitable for 1,500 l reservoir 2 pcs element (300 mm)

Table 7 Options

0 No options




Table 9 Water absorbtion element H2O capacity

A Single H2O-sorb element, left mount 540 ml

B Single H2O-sorb element, right mount 540 ml

Table 8 Bracket options

0 No options

1 With standard foot / bulk head mounting bracket

2 With ’bulk head mounting only’ bracket

3 With standard ’OLU’ wall mounting bracket

ordering codes:RMF By-pass units with H

2o sorb

Filtertype:BPUW units

www.RMFFIlTER.coM

21

TECHNICAL DATA BY-PASS UNITS WITH WATERSORB

Filter model BPUW1A30… BPUW2A30…. BPUW1B30….

No. of filter housings 1 2 1


Seal material Buna-N standard

Nominal flow 2.1 l/min 4.2 l/min 4.2 l/min


No. of filter elements 1 2 2

Length filter elements 300 mm (standard)

Operating pressure flow control valve (min. - max.)

12 - 420 bar



Dirt indicator Pressure gauge (0-10 bar, green / yellow / red zones)

Connection pressure port ¼” BSP female

Diameter hose pressure side ”

Connection return port ½” BSP female

Diameter hose return side ” (½” if you have to use long hoses)

Max. tank volume Approx. 750 l Approx. 1,500 l Approx. 1,500 l

Dimensions h x w x d (mm) 400 x 385 x 160 400 x 340 x 320 710 x 385 x 160


400 mm 400 mm 700 mm



Approximate weight 10.0 kg 17.0 kg 14.0 kg

Weight (optional) bracket Incl. Incl. Incl.

off-line filtersRMF Systems radial micro filter units are characterized by their extremely

efficient filter elements with a fineness of 0.5 micron. If required different


The Off-line filters can also be equipped with special water absorbing pre-

filters in case of extreme water contamination. These water absorbing spin-on

cans will remove most of the water prior to the fluid reaching the cellulose

element.

Specially designed for industrial hydraulic installations the RMF Off-line filters

are available in single or multiple housing configurations. The Off-line filter

units can be easily mounted to new and existing hydraulic installations.

By means of an integrated pump-motor unit in the Off-line filter, the oil is

pumped from the reservoir through the filter unit. After filtering the oil is

returned to tank. Off-line filters can continue to work even when the main

system is not in use. Element change can also be done without interfering with

the main system.

Economical

The hydraulic market accepts that 80% of mechanical failures are caused by

contamination in the system.

The RMF Off-line filters attack this contamination at source and in addition to

solid particles. These filters are also capable of removing water from the oil.

This prevents the catalytic reaction of water and solid particle contamination,

resulting in extended useable oil life.



Applications

RMF Off-line filter units can be fitted to every

imaginable industrial application where hydraulic

and/or lubrication systems are present.

The standard range of Off-line filters can be

utilized in reservoirs with a maximum volume

of 11,000 litres. A large selection in electrical

motors is available, ranging from single phase,

three phase to explosion proof.



clean hydraulic and lubrication systems in the:

- steel industry;

- plastic moulding industry;

- maritime industry;

- petro chemical industry;

- paper industry.

Advantages

• Extremely clean oil due to high filtration effi-

ciency.


direction.

• Increased flow capacity.

• Large dirt holding capacity.

• Large water holding capacity.





22

www.RMFFIlTER.coM

23

TECHNICAL DATA OFF-LINE UNITS

Filter model OLU1A30… OLU2A30… OLU1B30… OLU2B30… OLU4A30… OLU4B30…

No. of filter housings 1 2 1 2 4 4


Seal material filter unit Buna-N standard

Nominal flow 2.1 l/min 4.2 l/min 4.2 l/min 8.4 l/min 8.4 l/min 16.8 l/min


No. of filter elements 1 2 2 4 4 8




Dirt indicator Pressure gauge (0-10 bar, green / yellow / red zones)

Gauge glycerine filles

Connection pump suction port ” BSP female ½” BSP female ¾” BSP female

Diameter hose suction side ½” ¾”

Connection return port ½” BSP female EW 18L - ¾”

Diameter hose return side ½” ¾” or 1” (with long hoses)

Dimensions h x w x d (mm) 420 x 335 x 190 420 x 340 x 325 730 x 335 x 190 730 x 340 x 325 530 x 340 x 500 830 x 350 x 500


400 mm 400 mm 700 mm 700 mm 400 mm 700 mm

Pump type Hydraulic gear pump

Power supply E-motor Various electrical power supplies possible

Max. tank volume ± 1,350 l ± 2,700 l ± 2,700 l ± 5,400 l ± 5,400 l ± 10,800 l



Approximate weight 14.0 kg 21.0 kg 18.0 kg 30.0 kg 39.0 kg 61.0 kg

24

ordering codes:RMF off-line units

Filtertype:OLU units


OLU


OLU Off-line unit Industrial applications


1A Single housing (single length) Suitable for 1,350 l reservoir 1 pcs element (300 mm)


4A Quadruple housing (single length) Suitable for 5,400 l reservoir 4 pcs element (300 mm)


2B Twin housing (double length) Suitable for 5,400 l reservoir 4 pcs element (300 mm)

4B Quadruple housing (double length) Suitable for 10,800 l reservoir 8 pcs element (300 mm)


H Cellulose 0.5 micron, silicon bottom seal

N Cellulose 0.5 micron, NO silicon bottom seal



A5 Glass fibre with polymer, 5 micron, β5 ≥ 200

* G1 and G3 also suitable for Water Glycol


B Buna-N Standard

V Viton Optional



Table 6 E-motor options

0 Standard: 230/400 VAC 50 Hz / 3 phase, 255/460 VAC 60 Hz / 3 phase

A 230 VAC 50 Hz / 1 phase

B 24 VDC

C 110 VAC 50 Hz / 1 phase

D 110 VAC 60 Hz / 1 phase

E 230/400 VAC 50 Hz, IP65 / 3 phase

F 230 VAC 60 Hz / 1 phase

H 690 VAC 50 Hz / 3 phase

N 500 VAC 50 Hz / 3 phase

M 575 VAC 60 Hz / 3 phase

S Special motor, on request

X Explosion proof, on request

www.RMFFIlTER.coM

25

Table 7 Pump options

Code Standard for 50 Hz motor Standard for

00 1.6 cc/rev. group 1 OLU1A

10 3.15 cc/rev. group 1 OLU2A / OLU1B


30 8.2 cc/rev. group 2

40 11.3 cc/rev. group 2 OLU4B

50 0.8 cc/rev. group 1 obsolete








Table 8 Indicator

0 Pressure gauge Standard

1 Additional electr. indicator

Optional

2 Additional Δp indicator

Optional

Table 9 Extra options

0 No options

1 Motor / pump right side mount

2 Motor / pump left side mount

3 Motor / pump front side mount

4 Incl. on/off and motor protection relais

5 Incl. on/off and motor protection relais / External By-pass

S Stainless steel fittings

water absorbing off-line filtersRMF Systems radial micro filter units are characterized by their extremely

efficient filter elements with a fineness of 0.5 micron. If required different


The Off-line filters can also be equipped with special water absorbing pre-filters

in case of extreme water contamination. These water absorbing spin-on cans

will remove most of the water prior to the fluid reaching the cellulose element.

Specially designed for industrial hydraulic installations the RMF Off-line filters

are available in single or multiple housing configurations. The Off-line filter

units can be easily mounted to new and existing hydraulic installations.

By means of an integrated pump-motor unit in the Off-line filter, the oil is

pumped from the reservoir through the filter unit. After filtering the oil is returned

to tank.

Economical


contamination in the system. The RMF Water absorbing Off-line filters attack

this contamination at source and in addition to solid particles, these filters are

also capable of removing water from the oil. This prevents the catalytic reaction

of water and solid particle contamination, resulting in extended useable oil life.



water absorbing

RMF Water absorbing filters are Off-line filters that use a special water

absorbing spin-on as a pre-filter. The fluid is pumped through the pre-filter

which removes most water and larger solid contamination. In the second

stage the fluid passes through the RMF cellulose micro filter where final water

removal takes place as well as solid particle removal.

Applications

RMF Water absorbing Off-line filter units can be

fitted to every imaginable industrial application

where hydraulic and/or lubrication systems are

present.

The standard range of Off-line filters can be

utilized in reservoirs with a maximum volume

of 11,000 litres. A large selection in electrical

motors is available ranging from single phase,

three phase to explosion proof.



clean hydraulic and lubrication systems in the

steel industry, plastic moulding industry, maritime

industry, petro chemical industry and paper

industry.

Advantages

• Extremely clean oil due to high filtration effi-

ciency.


direction.

• Increased flow capacity.







26

www.RMFFIlTER.coM

TECHNICAL DATA OFF-LINE UNITS WITH WATERSORB

Filter model OLUW1A30… OLUW2A30… OLUW1B30… OLUW2B30… OLUW4A30… OLUW4B30…




Nominal flow 2.1 l/min 4.2 l/min 4.2 l/min 8.4 l/min 8.4 l/min 16.8 l/min




No. of watersorb elements 1 1 1 1 or 2 1 or 2 1 or 2

Total water absorbing capacity 690 ml 840 ml 840 ml 840 or 1,380 ml 840 or 1,380 ml 1,740 or 2,280 ml




Connection pump suction port ½” BSP female ¾” BSP female






400 mm 400 mm 700 mm 700 mm 400 mm 700 mm





Test connector M16x2 Test connector M16x2


27

28

ordering codes:water absorbing off-line units

Filtertype:OLUW units

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10

OLUW


OLUW Off-line unit + water absorbing pre-filter Industrial applications


















B Buna-N Standard

V Viton Optional




B 24 VDC

C 110 VAC 50 Hz / 1 phase

D 110 VAC 60 Hz / 1 phase

E 230/400 VAC 50 Hz, IP65 / 3 phase


H 690 VAC 50 Hz / 3 phase

N 500 VAC 50 Hz / 3 phase

M 575 VAC 60 Hz / 3 phase

S Special motor, on request

X Explosion proof, on request

www.RMFFIlTER.coM

29










Standard for 60 Hz motor






Table 8 Indicator



Optional


Optional


0 No options

1 Motor/pump right side mount

Table 10 Water absorbtion element

A Single H2O-sorb element Capacity = 540 ml Standard mounting single filter head

B Single H2O-sorb element Capacity = 540 ml Alternative mounting single filter head

C Dual H2O-sorb element Capacity = 2 x 540 ml Standard mounting double filter head

Heated off-line filtersRMF Systems radial micro filter units are characterised by their extremely

efficient filter elements with a fineness of 0.5 micron. The Off-line filter units

with pre-heating are developed specially for cold hydraulic and lubricating

systems.

The electric pre-heating ensures that the cold and/or high viscosity fluid is

brought to a temperature with a suitable filtration viscosity. Off-line filters with

pre-heating can be applied to new or existing installations.

The integrated pump-motor combination draws fluid from the reservoir, pumps

it through a heating element, filters it and returns it to the tank. The heating

is thermostat controlled and adjustable to any required fluid temperature. The

heating is effected by a 'flow-through' principle, preventing 'burning' or thermal

overloading of the oil. The Heated Off-line filters can continue to work even

when the main system is not in use. Element change can also be done without

interfering the main system.

Economical

The hydraulic market accepts that 80% of the mechanical failures are

caused by contamination in the system. The RMF Off-line filters attack this

contamination at source. In addition to solid particles, these filters are also

capable of removing water from the oil.


resulting in an extended usable oil life. The use of RMF-filters means reduced

down time, increased component life and extended service intervals with

reduced oil changes.

Applications

RMF Off-line filter units with pre-heating can be

applied to any industrial application where it

is necessary to heat the oil and maintain it at

a particular temperature, such as hydraulically

operated bridges and gear boxes in the wind

power energy industry.

Advantages

• Extremely clean oil due to the high filtration

efficiency β 0.5 ≥ 200, β 2 ≥ 2,330.

• Prevention of channel forming by radial

filtration direction.

• Increased dirt holding capacity.



• Environmentally friendly elements.

• Longer usable life for oil and components.

30

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31

TECHNICAL DATA HEATED OFF-LINE FILTERS

Filter model OLUH1A30… OLUH1B30… OLUH1B30…

No. of filter housings 1 1 1



Seal material heater unit Viton standard

Max. flow capacity to achieveenough delta T in single pass

Approx. 2.9 l/min with 2 kW heater


No. of filter elements 1 2



Heater capacity 2 kW 2 kW 4 kW




Connection pump suction port ” BSP female

Diameter hose suction side ½” or ¾” with positive head preferably

Connection return port ½”

Diameter hose return side ½”

Dimensions h x w x d (mm) 570 x 485 x 190 730 x 485 x 190 825 x 485 x 190



Max. tank volume ± 1,350 l ± 2,700 l ± 2,700 l



Approximate weight 24.0 kg 28.0 kg 30.0 kg

Consult RMF for 4 kW heaters and flows exceeding 2.9 l/min

32


OLUH

ordering codes:RMF Heated off-line filters

Filtertype:OLUH units


OLUH Off-line heated unit Industrial applications















B Buna-N Standard

V Viton Optional




E 230/400 VAC 50 Hz, IP65 / 3 phase


www.RMFFIlTER.coM

33

Table 7 Pump options Standard for

Code Standard for 50 Hz motor







Table 8 Indicator



Optional


Optional


0 No options

2 Motor/pump/heater left side mount

4 Incl. on/off and motor protection

5 Incl. on/off and motor protection / External By-pass

Table 10 Heater options Standard for

0 2,000 W / L = 300 mm/ voltage equal to e-motor

OLU1A / OLU2A

1 4,000 W / L = 600 mm/ voltage equal to e-motor

OLU1B

2 2 pcs. 2,000 W / L = 300 mm/ voltage equal to e-motor

Special

3 2 pcs. 4,000 W / L = 600 mm/ voltage equal to e-motor

Special

Air driven off-line filtersRMF Systems radial micro filter units are characterised by their extremely

efficient filter elements with a fineness of 0.5 micron. If required, different


The Air driven Off-line filters can also be equipped with special water absorbing

pre-filters in case of extreme water contamination. These water absorbing

spin-on cans will remove most of the water prior to the fluid reaching the

cellulose element.

Specially designed for industrial hydraulic installations the Air driven RMF

Off-line filters are available in single or multiple housing configurations.

The Off-line filter units can be easily mounted to new and existing hydraulic

installations.

By means of an integrated air driven motor-pump unit in the Off-line filter, the

oil is pumped from the reservoir through the filter unit. After filtering the oil

is returned to tank. The Air driven Off-line filters can continue to work even

when the main system is not in use. Element change can also be done without

interfering with the main system.

Economical


contamination in the system.

The RMF Off-line filters attack this contamination at source and in addition to

solid particles. These filters are also capable of removing water from the oil.


resulting in extended useable oil life.



Applications

The Air driven RMF Off-line filter units can be

fitted to every imaginable industrial application

where hydraulic and/or lubrication systems are

present. The air motor makes the unit suitable

for use in explosion hazardous areas, or areas

where no electrical power is available.

The standard range of Air driven Off-line filters

can be utilised in reservoirs with a maximum

volume of 11,000 litres.



clean hydraulic and lubrication systems in the:

- steel industry;

- plastic moulding industry;

- maritime industry;

- petro chemical industry;

- paper industry.

Advantages

• Extremely clean oil due to high filtration

efficiency.

• Prevention of channel forming by radial

filtration direction.







34

www.RMFFIlTER.coM

TECHNICAL DATA AIR DRIVEN OFF-LINE FILTERS

Filter model OLUA1A30… OLUA2A30… OLUA1B30… OLUA2B30… OLUA4A30… OLUA4B30…




Nominal flow @ 1.500 rpm 2.1 l/min 4.2 l/min 4.2 l/min 8.4 l/min 8.4 l/min 16.8 l/min







Connection pump suction ” BSP female ½” BSP female ¾” BSP female






Air motor pressure supply Max. recommended operating pressure 7 bar (100 psi)

RPM air motor Speeds may be varied from 300 to 3,000 rpm

Power output air motor Delivers up to 1,5 kW (2 hp)





35

36


OLUA

ordering codes:RMF Air driven off-line filters

Filtertype:OLUA units


OLUA Off-line unit air driven Industrial applications


















B Buna-N Standard

V Viton Optional

Table 6 Air motor options

0 Standard 8 vane lubricated air motor, speed 300 to 3,000 rpm, maximum recommended air pressure 7 bar

www.RMFFIlTER.coM

37
















Table 8 Indicator



Optional


Optional


0 No options

Mini water VacVAcuuM DEHYDRATIoN uNIT

The Mini Water Vac is a designated oil purification unit which can be applied

directly to various types of machine reservoirs. It dehydrates and cleans most

types of oil such as lubricating, hydraulic, transformer and switch oils.

The Mini Water Vac is a self-regulating processing unit which removes

particles, gas and water. The purified oil satisfies the most stringent quality

requirements.

Simple operation

The Mini Water Vac neither removes nor alters oil additives. The water removal

process is based on pure vacuum evaporation inside a vacuum chamber at a

maximum temperature of 65 ˚C. Solid particle removal is achieved through a

well proven RMF Systems micro filter.

Mini Water Vac does not require continuous supervision whilst operating.

Once the unit is connected properly and commissioned, oil purification is

a semi automatic process. Desired oil temperature can be selected on

the thermostat which is included in the integrated heater element of the

dehydration unit.

Oil supply and removal from the vacuum chamber is a full automatic process

which is controlled by a PLC.

The only manual action is the emptying of pre-condenser bowl and waste water

container, both equipped with a float switch to prevent overflow, which will shut

down the dehydration unit once the maximum level is reached.

water, gas and particle removal

Mini Water Vac removes liquid, gas, and solid contamination, which are

corrosive and contribute to the reduction of machine life. Water, gas and solid

particle contamination greatly increase maintenance cost and contribute to

unwanted breakdowns or total machine failures.

Mini Water Vac offers protection against mal-

functions, breakdowns or total failures.

The Mini Water Vac also protects the environment

by reducing oil consumption and oil disposal

along with it is inherent costs and problems.

Benefits

• Efficient water, gas and particle removal.

• Extension of fluid service life.

• Reduces fluid disposal.

• Minimises corrosion within systems.

• Reduces operating cost.

38

www.RMFFIlTER.coM

TECHNICAL DATA MINI WATER VAC

Filter model MWV1A30G1B06000

Voltage (standard) 230/400 VAC 50Hz

Power supply (standard) 3-phase

Frequency (standard) 50Hz

Heater section 2 kW

Vacuum section 0.37 kW vacuum pump

Process control 24 VDC PLC unit

Filtration section 1 micron glass fibre (β1 > 200)

Dimension inlet 1” BSP female

Dimension outlet ½” BSP female

Maximum back pressure 1 bar

Water removal capacity Depending on oil and water contents

Maximum temperature heater 65 °C

Dimensions h x w x d (mm) 1,200 x 740 x 450

Net weight 130 kg

39

40


MWV

ordering codes:Mini water Vacvacuum dehydration unit

Filtertype:MWV units


MWV MiniWaterVac oil purifier Industrial applications


1A Single housing (single length) Suitable for 3,000 l reservoir 1 pcs element – (300 mm)




G1 Glass fibre, 1 micron, β1 ≥ 200 Standard

G3 Glass fibre, 3 micron, β3 ≥ 200 Optional

A5 Glass fibre / polymer, 5 mic., β5 ≥ 200 Optional


B Buna-N Standard

V Viton Optional

Table 6 Power supply options

0 230/400 VAC 50 Hz / 255/460 VAC 60 Hz 3 phase with PLC control Standard

B 230/400 VAC 50 Hz / 255/460 VAC 60 Hz 3 phase with PLC control Standard

www.RMFFIlTER.coM

41


60 1.0 cc/rev. group 1 Standard

Table 8 Heating element

0 2,000 Watt Standard

Table 9 Extra functions

0 No extra functions

1 Including water sensor

Table 10 Options

0 No options

lube oil By-pass filtersMaintenance is essential for the efficient functioning of engine equipment.

However, it is always a critical decision between the quality of the maintenance

and the costs involved. Optimal maintenance efficiency combines maximum

achievement of the maintenance goal (protection and prolonged usage life of

the object) with minimal use of means (costs). The RMF By-pass filter is unique

in that it not only achieves the goal, but saves on costs.

The RMF By-pass filter keeps the oil clean, resulting in significant technical,

environmental and financial benefits thanks to reduced wear and tear on

equipment and machines and prolonged oil life time. RMF Systems BPL By-pass

filters are used as an additional micro filter connected in by-pass to the

conventional main stream filters on engines (and automatic transmissions).

Most contamination is much smaller than 15 micron in size, but full flow filters

generally do not filter below this level.

This results in a lot of harmful contamination passing through these filters and

remaining in the system.

RMF Systems By-pass filters are capable of filtering down as low as 0.5 micron

without detriment to the lubrication circuit.

Whatever the application, the benefits of the RMF By-pass filters are all based

on maintaining a higher quality and cleanliness level of the oil and thereby

avoiding the multiple problems that can be caused by fluid contamination.

Applications

Construction equipment, agricultural equipment, forestry equipment, diesel

driven welding machines/generators and port equipment.

Applications

• Less malfunctioning.

• Greater reliability of operation.

• Prolonged oil usage life.

• Reduced down time.

• Reduced wear on cylinder linings and pistons.

• Less bore polishing.

• Less formation of black sludge.

• Improved engine compression.

• Increased equipment life time.

Environmental advantages

• Less oil consumption.

• Therefore less waste oil.

• Increased life time of additives.

• Reduction of harmful emissions.

Financial advantages

• Savings in labour and materials (oil changes).

• Reduced costs for repairs and downtime.

• Reduced waste processing costs.

42

www.RMFFIlTER.coM

43

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8

BPL


BPL By-pass lube oil unit Engine / Transmission oil


1A Single housing (single length) Suitable for 32 l sump volume 1 pcs element (282 mm)




N Cellulose 0.5 micron


B Buna-N Standard

V Viton Optional

Table 6 Housing material

0 Aluminium Standard

Table 7 Options

0 No options

Table 8 Bracket options

0 No mounting bracket

1 Standard bulk head mounting bracket

TECHNICAL DATA LUBE OIL BY-PASS FILTERS

Filter model BPL1A26XB001

No. of filter housings 1


Seal material Viton (standard)


Orrifice opening size 1.5 mm

No. of filter elements 1

Max. working pressure 6 bar

Connection pressure side (IN) ¼” BSP female

Connection return side (OUT) ¼” BSP female

Dimensions h x w x d (mm) 373 x 160 x 125

Maximum oil sump volume 35 l

Housing volume 2.2 l

Hoses requirementsMin. id = ¼” / t=150 °C

P min. = 13,5 bar

Approximate weight 3.3 kg

Weight bracket Incl.

ordering codes: lube oil By-pass filters

Filter elementsThe principal of the RMF Systems filters is based on the unique original filter

elements. With a choice of filter fineness down to 0.5 micron they have the

capacity to remove even the smallest of dirt particles from the oil.

RMF Systems offers a wide range of elements in micron sizes, filter media and

fluid compatibility. Through a carefully controlled quality process excellent delta P

curves, filter efficiency, water and dirt holding capacity are secured.

cellulose elements

The RMF Systems cellulose filter elements are unique in their design. They

consist of several hundred layers of long fibre cellulose which are wound on a

perforated center tube. The micro filter element works as a fine filter through

which oil passes radially, from the outside to the inside, trapping solid particles

throughout all the layers of cellulose. The long fibre cellulose is also capable

of absorbing water, adding the benefit of moisture removal from the oil.

RMF Systems cellulose elements are extremely efficient and have a large dirt

holding capacity.

The cellulose elements are produced in various sizes to suit all RMF Systems

filter housings. The RMF Systems cellulose elements are compatible with most

commonly used hydraulic and lubricating fluids, including biodegradable fluids.

Glass fibre elements

RMF Systems offers a range of glass fibre filter elements in a fineness of

1 micron and 3 micron. The micro filter element works as a fine filter through

which oil passes radially, from the outside to the inside. RMF Systems glass

fibre filter elements (conventional pleated construction) are extremely efficient

and have a large dirt holding capacity.

The glass fibre elements are suited for all RMF

Systems filter housings (except the size 20 hous-

ing) and are compatible with most commonly

used hydraulic and lubricating fluids, including

biodegradable fluids. The glass fibre filter

elements are also suited for water based fluids.

The glass fibre filter elements are particularly

suited for gearbox applications where high

viscosity fluids limit the use of the cellulose

elements.

water sorb filter inserts

RMF Systems offers a specially designed water

sorb combination filter element: water absorbing

and particle retention. This pleated filter element

with a fineness of 5 micron has layers of polymers

in between layers of glass fibre, creating a unique

media to remove both water and solid particles

from the fluid.

water sorb spin-on elements

RMF Systems offers a specially designed spin-

on filter, the H2O Sorb for water absorbing and

particle retention. This spin-on filter element

with a fineness of 20 micron is constructed of

a unique medium containing water absorbing

polymer which chemically bonds water.

44

www.RMFFIlTER.coM

TECHNICAL DATA FILTER ELEMENTS

Element model 20HB 30HB 30NB 30G1B 30G3B 30A5B H2O sorb

Material filter element Cellulose Cellulose Cellulose Glass fibre Glass fibreGlass fibre and

PolymerPolymer

Filtration efficiency β(2) ≥ 2331 β(2) ≥ 2331 β(2) ≥ 2331 β(1) ≥ 200 β(3) ≥ 200 β(3) ≥ 200 β(10) ≥ 2

Water absorbtion capacity 100 ml 150 ml 150 ml na. na. 350 ml 540 ml

Nominal flow per element 1.4 l/min 2.1 l/min 2.1 l/min 2.1 l/min 2.1 l/min 2.1 l/min As per filter

Max. viscosity

@ nominal flow rate 180 cSt. 800 cSt.

@ other flow rate Consult RMF Consult RMF

Max. oil temperature 80°C (consult RMF for other temperatures)

Length filter elements 200 mm 300 mm 300 mm 300 mm 300 mm 300 mm 270 mm

Seal materials (standard) Buna-N / Silicone Rubber Buna-N

other seal materials Consult RMF

Fluid compatibility

- Mineral oils

H, HL, HLP, HVLP Ok Ok Ok Ok Ok Ok Ok

- Biodegradable oils

HEPG Polyethyleneglycol Consult RMF

HEES Synthetical ester Ok Ok Ok Ok Ok No Ok

HETG Vegetable seed oil Consult RMF

- Fire inhibiting fluids

HFA emulsions No No No Yes Yes No No

HFC glycol / water solution No No No Yes Yes No No

HFD fluids no water content consult RMF

Approximate weight 0.5 (kg) 0.8 (kg) 0.8 (kg) 1.25 (kg) 1.25 (kg) 1.25 (kg) 1.35 (kg)

45

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