Cartridge seals as a standardisation solution for slurry applications. Methods, requirementsand typical applications.

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ApplicationsBurgmannMechanical Seals 60

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Application methodsThe processes with the most stringent requirements dues to the solids content of the media can be divided into dredging, tailing and metal refining from the viewpoint of the seal technology.

DredgingDredging means the dredging of silty waters (rivers, lakes, waterways and harbours), transporting sands containing raw materials from beaches (beach mining) or the drainage of settlement basins in the mining industry.

A supply unit is generally fitted on a boat-like float and supplies a pivoting or rise-and-fall suction pipe. The suction pipe has a rotating cutter head that detaches the sediments to be pumped from the river, lake or sea-bed. These sediments are then pumped to the surface by a powerful intake pump and transported to collecting boats or to the shore via pressure pumps.

Process conditions■ Pressure at the seal: Vacuum ... 6 bar■ Solids content up to approx. 70 %■ Solids sizes from a few µm to 50 mm

(20 mm in the seal chamber)■ Temperatures up to approx. 30 °C■ Single seal with quench

Burgmann seals from the HR series operated with quench have proven suitable for this application. They are particularly ideal for conditions that change suddenly (water hammer) due to clogging of the suction pipe.

Burgmann mechanical seals for slurry applications ...... proven and reliable, even under the hardest conditions

The recovery of raw materials and the subsequent

conditioning of the ores and minerals is often as-

sociated with abrasive and corrosive media with an

extremely high solids content (slurries), sometimes

combined with high temperatures and pressures.

This creates a particularly stringent and robust re-

quirement profile for the machines, pumps and seal

systems applied.

The operator’s external environment is increasingly

subject to more stringent environmental protection

conditions and the need to minimise or even totally

eliminate power and water consumption.

This leads to requirements to increase system availa-

bility and productivity, which resulted in a progressive

development process in the field of seal technology.

Burgmann has played a successful part in this process.

Today, Burgmann offers a broad range of technical-

ly mature, proven and cost-effective seal and supply

systems.

The cartridge versions of the HR and Cartex® mecha-

nical seal series, in particular, have been successfully

used in many different slurry applications.

Submersible dredge pump (Damen) Burgmann © is a Trade Mark of EagleBurgmann

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TailingsTailings means the pumping and storage of excavated material. This excavated material occurs in the first stage of the mining process, when the lower quality rock fractions are separated from the more highly concentrated fractions.

The excavated material can be piled up to form rubble walls. These are used to dam up settlement basins in mining operations.

It also includes pumping solids-con-taining media over long distances or tall obstacles (e.g. heaps of excavated material).

Process conditions■ High pressures up to 45 bar■ Solids content up to 40 %■ Solids sizes from a few µm to 10 mm■ Single and double seal

Mechanical seals from the Cartex series are used for medium solids contents up to 40 % and pressures up to 25 bar.

Only HR double seals are used in pressure booster stations for pressures up to 45 bar when there are also solids in the medium.

Burgmann mechanical seals for slurry applications ...... proven and reliable, even under the hardest conditions

Typical construction of a Tailings Dam

Pressure booster station (Warman)

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Metal refiningChemically pure raw materials and metals such as copper, nickel, zinc, etc. are normally generated and produced in a three-stage process: Extraction, concentration and refining.

The process of copper recovery is described here by way of example:

Ore is mined in surface or underground mines and crushed to a transportable material size.

Once the unusable rock fractions have been separated out, the ore is milled and concentrated by flotation (with water and chemicals) until a copper content of up to 35 % is obtained.

The smelting method depends on the type of ore. Sulphidic (containing sulphur) ores (84 % of worldwide production) are generally worked by flash smelting, while oxidic (containing oxygen) ores are worked using the solvent extraction method.

This is followed by fire refining; in the first stage, further impurities are remo-ved from the liquid copper by blowing in air. The metal is then cast to form plate copper, from which the purest copper can be obtained by electrolysis.

Although the pumping and sealing con-ditions in extraction and concentration are similar to those already described under dredging and tailing, the refining stage is dominated by high chemical stresses and high temperatures.

Process conditions■ Solids content > 40 %■ Highly corrosion and erosion-resistant

materials across the entire pH range■ Temperatures up to approx. 180 °C■ Single and double seals with buffer

system

Burgmann type HR seals are particularly robust, which makes them very flexible. They are ideal for this applications since components that come into contact with the product can be made from ceramic materials where high solids fractions are combined with high chemical stresses.

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Advantages of Burgmann cartridge seals

Burgmann Cartex and HR mechani-cal seals fulfi l at least the following requirements:

■ Reliable and safe sealing of media containing the highest solids contents

■ Resistant to erosion and corrosion from the most abrasive and/or corro-sive media

■ Materials can be optimally adapted to the application for the longest possible service life

■ Media that may be detrimental to the health or present other hazards can be sealed in an environmentally friendly and operationally safe manner

■ Seals can be standardised for opti-mum storage and improved system availability

■ Reduced water consumption and thus lower operating costs compared to the many pumps that are still sealed with packings today

Seal applications

Max. solids content % by weight

Max. grain size mm*)

Seal type Method of use to API Pump stuffi ng box

7 % 1 Cartex-SNO Plan 2, Dead-end without circulation Open stuffi ng box space

7 % 1 Cartex-SN Plan 11, Circulation from the pump case to the seal Open stuffi ng box space

15 % 1 Cartex-QN Plan 62, External fl uid quenchPlan 11, Circulation from the pump case to the seal

Open stuffi ng box space

15 % 1 Cartex-DN Plan 52, External fl uid quench, unpressurised; Open stuffi ng box space

25 % 1 Cartex-SN Plan 32, Injection of clean fl uid into the seal chamber from an external source

Cylindrical stuffi ng box space with throttle on product side

25 % 1 Cartex-QN Plan 32 + plan 62, Injection of clean fl uid into the seal chamber from an external source + external fl uid quench

Cylindrical stuffi ng box space with throttle on product side

40 % 1 Cartex-DN Plan 53, External fl uid reservoir, pressurised Open stuffi ng box space

50 % 10 HR321 Plan 02, Dead-end without circulation Open stuffi ng box space

50 % 10 HR222 Plan 62, External fl uid quench Open stuffi ng box space

50 % 10 HRKS-D Plan 52, External fl uid quench Open stuffi ng box space

> 50 % 10 HRKS-D Plan 53, External fl uid reservoir, pressurised Open stuffi ng box space

Choice of seal according to solids content

*) in the seal chamber

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Cartex® mechanical seals as complete, preassembled units are suitable for use with media with a solids content of up to 40 %. They are balanced, independent of the direction of rotation and equipped with all the necessary connections for the most common operating modes. Also suitable for ANSI stuffing boxes.

Cartex-SNOSingle seal without connections for dead-end operation.

Light and Medium Duty

Cartex-SNO

Werb.Nr. 2763

Cartex-SN

Werb.Nr. 2764

Werb Nr. 2765

Cartex-QN/TN

CARTEX-DN

Werb.Nr. 2762

Operating limits

d1 = 25 ... 100 mm 1,000“ ... 4,000“t = -40 °C ... 220°C -40 °F ... 428 °Fp1 = 16 bar 232 PSI (Cartex-SN, -SNO, -QN) 20 bar 290 PSI (Cartex-DN)vg = 10 (15) m/s 32 (49) ft/s

Axial displacement± 1.0 mm > d1 = 75 ± 1.5 mm

Materials

(Short designation to EN 12756)

Seal face: Q1, B, U1Seat: Q1Components: G, MSprings: MO-Rings: V, E, K, U1, HNBRRadial seal: P, T3Throttle ring: T12

Technical benefits of Cartex®

■ Stationary seal concept■ Springs outside the medium■ No dynamic O-ring for the shaft

sleeve■ Seal faces and seats are flexibly

mounted for reliable adaptation of the sliding surface in the event of shaft deflection

■ Surface contour on the product side is smooth and largely free of dead space

■ Double pressure balanced (-DN)■ Integral circulating device (-DN) for

optimum distribution and circulation of the buffer fluid

Cartex-SNSingle seal with connection for flushing.

Cartex-QNSingle seal for operation with unpressurised fluid reservoir. Cover with supply connections for flush and quench.

Cartex-DNPressurised with buffer fluid (p1 < p3), with venting hole. Also suitable for tandem operation (p1 > p3) with buffer fluid in dead-end or circulating mode.

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Operating limits

dN = 36 ... 200 (400) mm 1.4“ ... 8“ (16“)t = -20 °C ... 180 °C 53 °F ... 356 °Fp1 = 16 (45) bar 230 (652) PSI (higher pressures available upon request)vg = 10 (12 m/s) 32 (39) ft/s

Axial displacement ± 2 mm

Materials

Seal face: Q1, Q2Seat: Q1, Q2Components: 1.4571, 1.4462 Duplex, 1.4501 SuperduplexSprings: Hastelloy®-C4 (2.4610)O-Rings: V, E, K,

Other materials available upon request.

Technical benefits

Burgmann HR222 / HR321■ Stationary seal concept■ Open seal space■ Single seal, balanced, no dead

spaces■ Sliding faces close to the impeller■ Solid seal faces for high temperature

stability and erosion and corrosion resistance

■ Protected springs away from the product and large axial movement

■ Large gaps between components■ Elastically-mounted seat

Burgmann HRKS-D(F):■ Double seal, suitable for pressure

reversal■ Pumping screw (optional) for opti-

mum distribution and circulation of the buffer fluid

HR2 ...Single seal, cartridge version, for use with quench.

Medium and Heavy DutyMechanical seals from the HR series are specially designed for use in media with high solids contents without external flushing or product circulation. The special design features include the rotating seat arranged directly on the pump impeller and the spring protective sleeve which has proven highly effective in practice.

HRK.-DDouble seal, cartridge version, for buffer pressure or quench operation, suitable for pressure reversal (does not open if the buffer pressure fails); can alternatively be used with pumping screw to increase the circulated volume.

HR2S ...Special seal for dredging. Suitable for vacuum and pressure reversal.

HR3 ...Single seal, cartridge version.

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Burgmann HRKS1 for seal-ing cutter heads and rinsing pumps for dredging

Sandstorms filled a 300 km long, open channel system in Namibia with large quantities of desert sand. This channel system is used to irrigate vast areas of agricultural land.

The Namibian government decided on the need to develop a mobile system that can remove the sand. It had to be extremely robust and have an autono-mous power supply. A technical reliable and mobile solution was implemented by converting a dredger equipped with a hydraulically-driven suction and cutter head.

Robust seal solution inconstant useThe special feature with respect to sealing lay in the choice of a single seal; double or quench seals are nor-mally used to seal high solids contents in the pumped medium as these ensure that the sliding surface on the product side is lubricated with clean medium.In this case, however, the available hydraulic system of the dredger was used. The available oil pressure on the atmosphere side of the mechanical seal was limited to max. 6 bar, which lubri-cates the HR single seal and prevents the ingress of solids at the same time.

The dredger’s hydraulic system conti-nuously generates sufficient pressure, so the single mechanical seal used has been used now for over 10,000 hours with no maintenance or monitoring required.

Operating conditions

dN = 90 mmn = 1,700 min-1

p1 = vacuum ... 6 bart = < 80 °C

Medium

Water with up to 50 % sand fractionsSeal type HRKS1/90-G11-E1

Materials

Seal face and seat: Buka 20 (Q2)Components: 1.4571O-Rings: Viton®

Proven in practice: Burgmann seals in use.

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Burgmann HRS for sealing slurry pumpsQueensland Alumina (QAL) is the world’s largest aluminium oxide produ-cer and meets around 10 % of world-wide needs. Warman slurry pumps are used in production to pump aggressive media with a high solids content.

The service life of earlier seals was unacceptable for QAL. The company therefore set the task of developing a single seal with a minimum service life of 6 months. Complicated double seals with buffer system could not be used. The 6-month minimum service life was derived from the service life of the pump components in contact with the product up to the first maintenance.

Service life exceeds expectationsThe Burgmann HR proved to be the opti-mum solution and exceeded expectati-ons concerning service life six-fold.

A flushing connection and a throttle with self-cleaning profile integrated into the cover were provided to aid lubrica-tion of the sliding surfaces and keep out solids. The very small throttle gap means that purging water consumption can be limited to no more than 2 l/min.

This mode of operation achieved a service life of more than 3 years.

Operating conditions

dN = 82.5 mm (3.250“)n = 1,450 min-1

p1 = 9 bart = 70 °CSg = 1.4 ... 1.5 g/cm3

MediumCaustic hydrate with solids content > 40 %

Face materials

Seal face and seat: Buka 22 (Q1)

Proven in practice: Burgmann seals in use.

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Burgmann HRS as double and single seals in nickel and cobalt production

Minara Resources runs one of the largest nickel and cobalt mines in Australia. The company markets refi ned nickel and cobalt, plus enriched sulphides, all around the world. The system is located at Murin Murin, some 900 km North-East of Perth. The raw materials are extracted from the ore using sulphuric acid.

Over 140 slurry pumps are applied and extremely high demands are placed on them. For these, Burgmann, in coordination with the pump manu-facturer Warman, developed a special type HRS70 or HRS70-D mechanical seal specifi cally for this application. It is primarily applied as a double seal, and only rarely in a single arrangement. The basic type of this seal design has already been used successfully in large numbers in similar special applications.

Operating conditions

p1 = ... 2.5 MPat1 = ... 180 °Cn = ... 2,800 min-1

pH = 1 ... 2S g = 1.3 g/cm3

Most of these applications are based on dual mechanical seals. They are pressurised by a central buffer pressure system. Demineralized water is used as buffer medium.

Burgmann takes over service

All the Warman slurry pumps were equipped with EagleBurgmann mecha-nical seals, so it was entirely logical for Minara to conclude a service agreement with EagleBurgmann. This covers the maintenance, provision of spare parts and repair of the seals in these 140 pumps.

References (extract)

Minara ResourcesAustralian MagnesiumQueensland NickelQueensland AluminaComalcoWeir Minerals (Warman)HI-SMELTRio Tuba (Philippines)Syncrude (Canada)Western MiningSepon Copper (Laos)Raventhorp NickelGoro Nickel New Caledonia

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EBI in Profile

Burgmann Plant I Wolfratshausen (D) EagleBurgmann Niigata (J)

Burgmann Plant Judenburg (A)Burgmann Plant ll Eurasburg (D)

CertificationsBURGMANN

ISO 9001:2000

EN 9100

ISO 14001

OHSAS 18001

QHDQualified Hygienic

Design VDMA

DIN/EN 729-2HPO certified

KTA 1401Certified for

NuclearPower Plants

ISO TS 16949

WHGFachbetrieb (§ 19)

Germanischer LloydApprovals

IHKPrüfungsbetrieb

UmweltpaktBayern

EBI - An alliance with a great deal to offer our customers and partnersBurgmann and the leading Japanese mechanical seal manufacturer Eagle Industry have laid the foundation for a global cooperation: an alliance with a pronounced understanding for quality and service as well as customer orientation.The basis of this arrangement is an intensive and trust-based cooperation that notably strengthens the global competitiveness of both partners and makes them one of the top suppliers of sealing technology on the world market. A worldwide presence, market-orientated products and high-quality services are further key factors of success. All this, together with the know-how and dedication of our employees, means that we have considerable potential to offer our customers.

We are there when you need usCustomers want proximity, speed and solutions to their problems. Thanks to our worldwide presence, flexibility and specialist know-how we can face these challenges with quiet confidence. All over the world we offer our in-depth package of services – from the simple stuffing box packing to the complex high-tech seal, plus the backing of our "Total Seal Care" modular support offering, which allows each customer to put together exactly the right service package based on individual needs and requirements. Numerous service contracts and international agreements attest to the trust which top-name companies place in our expertise and confirm the quality of our services.

Making our customers more successful Our customers expect their machines to operate without problems. With this objective in mind, we are working to produce innovative, economically rational and easy-to-use seal solutions that help to fulfill the highest requirements in terms of environmental protection and safety. In doing so, it is our intention to increase our customers’ efficiency and productivity and to put across our global profile as a reliable, competent partner for high quality and technological leadership. The tech-nical knowledge, creativity, motivation and performance of our workforce makes a major contribution to achieving these objectives and making our customers more successful.

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Burgmann Industries GmbH & Co. KGEuroseals Customer ServicePostweg 190 21218 Seevetal / BeckedorfPhone +49 / 4105 / 6750-0Telefax +49 / 4105 / 6750-190

EagleBurgmann in your vicinity

GermanyFRANCEBurgmann S.A.S.Zone d’Activité les Perriers106/108 Route de CormeillesBP 96F-78505 SartrouvillePhone +33 / 1 / 30 86 50 20Telefax +33 /1 / 39 15 16 07Branch Offices:Lyon, Schiltigheim, Le Havre, Marseille

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VIETNAMBavico Ltd. 97A Ly Tu Trong Street, District 1Ho Chi Minh City, VietnamPhone +84 / 8 / 8 24 30 46Telefax +84 / 8 / 8 22 35 82

Kundenbetreuungs-CenterNord / Werksbüro BremenPostweg 190 D-21218 Seevetal / BeckedorfPhone +49 / 4105 / 6750-0Telefax +49 / 4105 / 6750-193

Kundenbetreuungs-CenterOst / Werksbüro CottbusAirpark MerseburgHans-Grade-Straße 4D-06217 MerseburgPhone +49 / 35608 / 4 09 85Fax +49 / 35608 / 4 08 39

Werksbüro FrankfurtDiezer Strasse 108D-65549 Limburg/LahnPhone +49 / 6431 / 9 22 99Telefax +49 / 6431 / 9 22 98

Kundenbetreuungs-CenterSüdwest / Werksbüro FreiburgKarlstraße 82D-72138 KirchentellinsfurtPhone +49/ 7121 / 67 84 93Fax +49 / 7121 / 96 30 44

Kundenbetreuungs-CenterNord / Werksbüro HamburgPostweg 190 D-21218 Seevetal / BeckedorfPhone +49 / 4105 / 6750-0Telefax +49 / 4105 / 6750-193

Kundenbetreuungs-Center Köln / Werksbüro KölnGewerbegebiet RheinbogenVorgebirgsstr. 27D-50389 WesselingPhone +49 / 2236 / 38 33 0Telefax +49 / 2236 / 38 33 20

Kundenbetreuungs-CenterOst / Werksbüro LeipzigAirpark MerseburgHans-Grade-Straße 4D-06217 MerseburgPhone +49 / 3461 / 84 29 10Telefax +49 / 3461 / 84 29 30

Werksbüro MünchenPostfach 1240D-82502 WolfratshausenPhone +49 / 8171 / 23 12 71Telefax +49 / 8171 / 23 10 49

Werksbüro NürnbergRiedäckerweg 2D-90765 Fürth-StadelnPhone +49 / 911 / 7 67 00 87Telefax +49 / 911 / 76 76 23

Kundenbetreuungs-CenterNord / Werksbüro OldenburgAugust-Wilhelm-Kühnholz-Str. 45 D-26135 OldenburgPhone +49 / 441 / 5 46 39Telefax +49 / 441 / 5 54 28

Werksbüro RegensburgAussiger Str. 9 eD-93073 NeutraublingPhone +49 / 9401 / 52 22 77Telefax +49 / 9401 / 52 23 73

Kundenbetreuungs-CenterRuhr / Werksbüro RuhrAm Piekenbrocksbach 8D-46238 BottropPhone +49 / 2041 / 1 88 51 - 14Telefax +49 / 2041 / 1 88 51 - 20

Kundenbetreuungs-CenterSüdwest / Werksbüro StuttgartKarlstraße 82D-72138 KirchentellinsfurtPhone +49 / 7121 / 96 30 43Telefax +49 / 7121 / 96 30 44

Kundenbetreuungs-CenterWorms / Werksbüro WormsIm Winkel 4D-67547 WormsPhone +49 / 62 41 / 93 25 0Telefax +49 / 6241 / 93 25 30

Service Center BayernBurgmannstr. 1D-82547 EurasburgPhone +49 / 8171 / 23 17 37Telefax +49 / 8171 / 23 16 63

Service Center KölnGewerbegebiet RheinbogenVorgebirgsstr. 27D-50389 WesselingPhone +49 / 2236 / 38 33 50Telefax +49 / 2236 / 38 33 70

Service Center MarlGeb. 1192, PB 14Paul-Baumann-Str. 1D-45764 MarlPhone +49 / 2365 / 4 98 61 64Telefax +49 / 2365 / 4 98 61 60

Service Center NordPostweg 190 21218 Seevetal / BeckedorfPhone +49 / 4105 / 6750-0Telefax +49 / 4105 / 6750-191

ARGENTINA Chilicote S.A.Avda. Julio A. Roca 546C1067 ABN Buenos Aires, ArgentinaPhone +54 / 11 / 43 43 84 69Telefax +54 / 11 / 43 31 42 78

AUSTRALIAEagleBurgmann Australia Pty. Ltd.16 Stennett Road, Ingleburn, NSW 2565Phone +61 / 2 / 96 05 64 44Telefax +61 / 2 / 98 29 69 58

BRAZILEagleBurgmann do BrasilVedaçoes Industriais Ltda.Av. Sta. Izabel, 1721CEP - 13084-643 Barao GeraldoCaixa Postal 65 60Campinas - Sao PauloPhone +55 /19 / 37 49 97 40Telefax +55 /19 / 37 49 97 42

CANADANova Magnetics-Burgmann Ltd. One Research Drive Dartmouth, Nova Scotia Canada B2Y 4M9 Phone +1 / 902 / 465 66 25 Telefax +1 / 902 / 465 66 29

TG-Burgmann Ltd.3225 Mainway DriveBurlington, OntarioCanada L7M1A6Phone +1 / 905 / 3 35 14 40 Telefax +1 / 905 / 3 35 40 33

CHILESelloTecno Ltda.Luis Thayer Ojeda No. 0130OF 806 Providencia Santiago, ChilePhone +56 / 2 / 333 33 03Telefax +56 / 2 / 333 25 19

CHINABurgmann Shanghai Ltd.No. 127-8 Wenjing RoadMinhang, ShanghaiPeople's Republic of ChinaPhone +86 / 21 / 64 62 05 50Telefax +86 / 21 / 64 30 02 19

Burgmann Dalian Ltd.No. 278 Cujin RoadGanjingzi District, DalianPeople's Republic of ChinaPhone +86 / 411 / 86 65 01 00Telefax +86 / 411 / 86 64 19 01

EBI (Shanghai) Investment Management Co. Ltd.Room 205 B Cimic TowerNo. 1090 Century Ave. Pudong 201120 Shanghai, ChinaPhone +86 21 58 36 15 99Telefax +86 21 58 35 48 38

COLOMBIAWilliam Tobon & Cia.Cr. 7 - 64 - 50 - Ext. 301 Santafé de BogotaPhone +57 / 1 / 2 11 76 75Telefax +57 / 1 / 2 11 76 75

CYPRUS & LEBANONTRCI Ltd.122, Limassol Ave. PO Box 243711703 Nicosia, CyprusPhone+357 22 42 79 80Telefax +357 22 42 30 21

ECUADORPetroconsultant S.A.Fco. de Goya 262Urb. Los Cipresses IIEl CondadoP.O. Box 17-17-1254, QuitoPhone +593 / 2 / 49 17 52Telefax +593 / 2 / 49 35 09

All technical specifications are based on extensive tests and our many years of experience. The diversity of possible applications means, however, that they can serve only as guide values. We must be notified of the exact conditions of application before we can provide any guarantee for a specific case. Subject to change.

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Europe

AUSTRIAEagleBurgmann Austria GmbHVogelweiderstraße 44 aA-5020 SalzburgPhone +43 / 662 / 82 57 01Telefax +43 / 662 / 82 57 03

BELARUSMetalkaUl. Obojnaja, dom 4, korpus 1 kv. 125220004 MinskBelarusPhone +375 17 211 0785Telefax +375 17 211 0785

BELGIUMEagleBurgmann Belgium B.V.B.A.Zagerijstraat 11B-2960 Sint-Job-in't-GoorPhone +32 / 3 / 6 33 99 44Telefax +32 / 3 / 6 33 99 49

BULGARIAKonstantin & SonsYantra Str. 13aBG-SofiaPhone +359 / 2 / 9 43 41 90Telefax +359 / 2 / 9 43 41 99

CZECH REPUBLICEagleBurgmann Czech s.r.o.Na Drahach 1364CZ-15600 Praha 5 ZbraslavPhone +420 / 2 / 57 92 05 05Telefax +420 / 2 / 57 92 05 08

KE-Burgmann Czech s.r.o.V Láznich 395CZ-254 01 Jilove u PrahyTel. +420 /2 / 41 02 18 11Fax +420 / 2 / 41 02 18 30

DENMARKKE-Burgmann A/SExpansion Joints DivisionPark Allé 34DK-6600 VejenPhone +45 / 75 36 18 11Telefax +45 / 75 36 15 32

KE-Burgmann A/SSeals DivisionIndustrisvinget 1DK-6600 VejenPhone +45 / 75 36 49 88Telefax +45 / 75 36 39 88

KE-Burgmann Bredan A/SOdinsvej 1 , Box 129DK-6950 RingkobingPhone +45 / 96 74 28 00Telefax +45 / 97 32 36 31

FINLANDKE-Burgmann Finland OyExpansion JointsP.O. Box 139Ensimmäinen SavuSF-01510 VantaaPhone +358 / 9 / 82 55 01Telefax +358 / 9 / 82 55 02 00

Tiivistetekniikka OyMäkituvantie 5SF-01510 VantaaPhone +358 / 207 65 171Telefax +359 / 207 65 20 07

Burgmann Industries GmbH & Co. KGÄußere Sauerlacher Str. 6–10D-82515 WolfratshausenPhone +49(0)8171 /23-0Telefax +49(0)8171 /231214www.eagleburgmann.com

The worldwideAlliance for Sealing Technology

SPAINEagleBurgmann Ibérica S.A.Avda. de Quitapesares, 40 E-28670 Villaviciosa de Odón, Madrid Phone +34-91-616 66 01Telefax +34-91-616 66 81

SWEDENEagleBurgmann Sweden AB Svärmaregatan 3 S-60361 NorrköpingPhone +46 /11 / 14 00 05Telefax +46 /11 / 14 00 15

Eagle Industrikomponenter ABBox 235S-40123 GöteborgTel. +46 / 31 / 58 68 50Fax +46 / 31 / 58 14 66

SWITZERLANDEagleBurgmann (Switzerland) AGHofstrasse 21 , CH-8181 HöriPhone +41 / 44 / 8 60 88 00Telefax +41 / 44 / 8 61 01 35

UKRAINEIRT-TechnogermUl. Komsomolskaja, 13040009 Sumy, UkrainePhone +380 542 610 324Telefax +380 542 610 326