BU

LK S

OLI

DS

FEED

ING

Rotary ValveRV – RVR

RV

RVR

RV and RVR drop through Rotary Valves are designed according to a criteria of maximum applicative universality, suitable for controlled feeding or discharging of products in powder or granular form, from silos, hoppers, pneumatic conveying system, filters or cyclones.

HIGH FIllING EFFIcIENcy AND PREcISE METERING IN GRAVITy FEEDING AND PNEuMATIc coNVEyING oF PRoDucTS IN PoWDER AND GRANulES.

Features

ATEX Approvals

Rota

ry V

alve

RV –

RVR

• RoundInletDiameter:150mm(6”)–200mm(8”)–250mm(10”)-300mm(12in)• SquareInletDimension:150x150mm–200x200mm–250x250mm–300x300mm(6”x6”–8”x8”–10”x10”–12”x12”)• Capacity:2–5–10–20litres/rev(0.07–0.17–0.35–0.7cuft/rev)• WorkingTemperature:from-40°Cupto150°C• WorkingPressure:from–0.5barupto+0.3bar• Materialofconstruction:CastIron,304StainlessSteeland316StainlessSteelforRVonly

TheRV-RVR…EexplosionprotectiondeviceareATEXcertifiedforzone20/22andareusedasaprotectiveanddustexplosion-flameproofsystemupto1.2bar.Suitable to be used under dust filters, cyclones, product separators, pneumaticconveyinganddosingsystemswithinthefollowingconditions:

Ambienttemperature:from-10°Cto+40°CProcesstemperature(material):from–20°Cto+60°CAtmosphericPressure:from0.8to1.1barMaximumrotorspeed:30rpmMinimumIgnitionEnergy:mie>10mJMaximumExplosionPressure:1.2bar

TheATEXrotaryvalvesaredesignedandtestedforuseinpotentiallyexplosivezonesclassifiedasZONE22ornonclassifiedzonesandwithprocessatmospheres(insidethevalve)classifiedasZONE20inaccordancewithDirective94/9/ECand1999/92/EC.

Ambienttemperature:from-10°Cto+40°CProcessTemperature(material):from–20°Cto+60°CAtmosphericPressure:from0.8to1.1barMaximumrotorspeed:30rpmMinimumIgnitionEnergy:mie>3mJ

RV – RVR... X

RV-RVR...E

ATEX 20/22 certified

cert.No.IBExu11ATEX2014XEN 15089 - Explosion Isolation System

Flame Proof and Explosion Protection Device

ATEX Rotary Valve

0948

0637

II 1D/3D c T135°C

D

0948II 1D/3D c T135°C

1.2 BAR

1DRIVEUNIT

Bare Shaft DirectDrive (20-30 rpm)

MechanicVariableSpeed (from 4 to 20 rpm)

ChainTransmission (10-20-30 rpm)

DirectPre-TorqueGearBoxDrive (10 rpm)

2

3

1

2EXTERNALHOUSING

3ROTOR

InternallyChrome-PlatedUsedforabrasivematerial

Standard Version

Completely304StainlessSteelCastedusedforfoodapplication.TheRotorandtheSideFlangesarealsomadefrom304StainlessSteel.Alsoavailablein316StainlessSteelfortheRVonly

CompletelyNickel-PlatedUsedforcorrosivematerialorasasubstituteoftheStainlessSteelfor food application when accepted.TheRotorandtheSideFlangearealsocompletelyNickel-Plated

ChamferedRotorBlades

InternallyTeflon-CoatedUsedforstickymaterialTheRotorandtheSideFlangearealsocompletelyTeflon-Coated

Rotor with replaceable tips

Benefits

Accessories

Rotation Indicator Partial-Rotor Kit

Square or round inlet flanges;

Round Flange bolt pattern according to DIN 2576 PN10;

Possibility of complete compatibility with WAM® standard of flange drilling on inlet and outlet;

Sturdy compact structure;

Drive unit mounted directly on shaft without further bearing assembly or coupling;

Easy access to internal mechanical parts;

Various materials and treatments available depending on material handled;

ATEX 20/22 version available;

Flame Proof and Explosion Proof Protection Devices certification available.

Air Purged Seals Inlet for Granular Material(RV with square flange only)Teflon

Spring Steel VitonVulkollan

Applications06

3002

238

Ju

ly 20

14

Righ

ts re

serve

d to m

odify

tech

nical

spec

ifica

tions

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