wouterwietzel eurovalve
TRANSCRIPT
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technicaldocumentation
rubberlined butterfly
valves
manual operators
check valves
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
CONTENTS
1 WOUTER WITZEL COMPANY INFO
1.1 Wouter Witzel General1.2 Sales and Distribution1.3 Product philosophy1.4 Manufacturing1.5 Sales programme rubberlined butterfly valves, manual operators, check
1.5.1 Eurovalve ranges: centric rubberlined butterfly valves1.5.2 Manual operators1.5.3 Check valves
1.6 Quality Assurance1.6.1 Quality assurance system1.6.2 Type approvals1.6.3 Material inspection certificates1.6.4 Testing inspection certificates
2 PRODUCT DATA: RUBBERLINED BUTTERFLY VALVES
2.1 How to use a Wouter Witzel Eurovalve butterfly valve2.2 Installation possibilities2.3 Design (features and benefits for use)2.4 Materials (bodies, discs, linings, coatings)2.5 Product sheets (all body types)2.6 Technical data (flow, torques, flanges)
2.7 Special executions (Halar coated disc, double block and bleed etc)2.8 Storage and installation
3 PRODUCT DATA: MANUAL OPERATORS
3.1 Lever, type L3.2 Gearbox, aluminium casing3.3 Gearbox, cast iron casing3.4 Gearbox for buried service3.5 Gearbox extensions
4 PRODUCT DATA: CHECK VALVES
4.1 General4.2 Design4 3 I t ll ti
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
1.3 PRODUCT PHILOSOPHY
The butterfly valve is probably one of the best known types of industrial valves for flow shut-off aservices.The Wouter Witzel product philosophy is based on the principle objective of having the possibilityspectrum of butterfly valves and actuators, the optimum solution for each specific market segment Although the external appearance of products on the market look very similar, Wouter Witzel butteimportant differences, aimed at achieving excellent product performance, high reliability, and low The above principles have been at the core of Wouter Witzel business development over the years company's high reputation and global expansion.
1.4 MANUFACTURING
Eurovalve butterfly valves are manufactured in-house, within its own engineering works, rubber fadepartments.The manufacture of rubber lined butterfly valves with the lining 'Bonded-to-the-body' requires spethe production vulcanizing presses have been designed and built by the company in its own toolroomhas created the opportunity to develop and extend the rubberlined concept into larger sizes, currentWouter Witzel is at the forefront of the innovation and manufacturing of large sized rubber lined b
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1.5 SALES PROGRAMME
Wouter Witzel supplies a wide range of industrial butterfly valves up to DN 4000 (160) and actuatorsproduct survey below and in chapter 5. Detailed product leaflets are available.
In addition to butterfly valves, Wouter Witzel can supply a complete package of industrial valves. For fuplease contact our sales department.
1.5.1 Eurovalve ranges: centric rubberlined butterfly valves
For use as isolating or regulating valve in a wide spectrum of industrial processes, eg: water supply (wtransport pipelines), ship building, petro-chemical industries, hevac, gas systems, fire fighting systems, envirApproved by different international certification bodies eg WRC, DVGW, KIWA, Lloyds, UL, FM, etInstallation in flanged piping systems: PN 6, 10, 16, 20, ANSI Class 150, JIS etc.With manual or automatic operation.
FLANGELESS WAFER BUTTERFLY VALVES
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
RANGE EVSFlangeless wafer type
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 50 - 1400 (2" - 56").
RANGE EVLFlangeless wafer type (long)
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 80 - 300 (3" - 12").
RANGE EVCSAlignment lug wafer type
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 50 - 300 (2 - 12").
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LUGGED AND U-SECTION WAFER BUTTERFLY VALVES
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
RANGE EVMSSingle flanged wafer
RANGE EVMLSingle flanged wafer type(long)
RANGE EVFSDouble flanged type
FLANGED BUTTERFLY VALVES
RANGE EVBSSemi-lug wafer type
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 50 - 200 (2" - 8").Long neck for insulation.
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.(25 bar on request)Bi-directional tight shut-off.DN 50 - 1000 (2"- 40").
Design:Bonded rubberlining in body.Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 50 - 300 (2" - 12").
RANGE EVBLSSemi-lug wafer type withlong neck
RANGE EVTLSTapped lug wafer type
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AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
LEVERQuick manual valveoperation
Design:Lift and turn operation.Spring activated locking.Lever parallel to disc.Notch plate for 10 positions.Valve sizes up to DN 300(12).
WORMGEAREasy manual valve operation
Design:Self locking wormgearing.Handwheel or T-Key operation.Adjustable end stops.Position indicator.Valve sizes up to DN 2000(80).Different options available.
1.5.2 Manual operators
For manual operation of butterfly valves. Mounting possibilities on all types of butterfly valves for useregulating duty in different environmental circumstances.
LEVER AND WORMGEAR
1.5.3 Check valvesFor use as a back flow prevention device in water supply systems, irrigation, heating systems, ship buiprocesses.Installation in flanged piping systems: PN 6, 10, 16, ANSI Class 150.Approved by different international certification bodies eg DVGW, Lloyds.
WAFER CHECK VALVE
RANGE ECVFlangeless wafer type
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
1.6 QUALITY ASSURANCE
1.6.1 Quality assurance systemAn important starting point for the design, manufacturing, testing and sales of valves is the fitness Wouter Witzel the reason to have the companys quality system certified according ISO 9001. BScompanys QA system at an early stage (no. FM 2200).
1.6.2 Type approvalsWouter Witzel butterfly valves are approved for application in a number of market areas by many iapprovals.
The most important ones are listed in the following table.
1.6.3 Material inspection certificates
MARKET AREA
Water supply
Gas supply
Ship building
Fire protectionsystems
Chemical industries,steel works and mining
General approvalconfirming forstandard compliance
TYPE APPROVALS
KIWA-The NetherlandsDVGW-GermanyWRC-United KingdomSVGW-SwitzerlandUniversity Twente-NL (Vacuum-test)
JKR-MalaysiaDVGW-GermanyBritish Gas- United KingdomGastec-The Netherlands
Lloyds RSDet Norske VeritasAmerican Bureau of ShippingBureau VeritasGermanischer Lloyd
RINANKKRussian Maritime Register
Factory Mutual-USAUnderwriters Laboratories-USAVdS-GermanyAPSAD-France
RWTV-Germany (TA-Luft)Bergbau Amt-Germany (anti-static)
Stoomwezen (The Netherlands)British Standard Kitemark Licence.Compliance with BS 5155.
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2 .1 HOW TO USE A WOUTER WITZELEUROVALVE BUTTERFLY VALVE
Butterfly valves are applied more and more in pipingsystems instead of traditional valves because of theirgeneral advantages (see 2.3).The Eurovalve range is specially designed for thefollowing process functions: 1. Isolating (100% tight shutoff; zero leakage) and/or 2. Flow control regulation ormodulating duties.
ISOLATING, STOP OR SHUT OFF VALVE (ON/OFF)
The butterfly valve is used in the fully open or in theclosed position. With an isolating valve a part of a pipingsystem can be isolated by closing the valve. It preventsflow or leakage into the downstream conduit. Theadvantage of a Wouter Witzel Eurovalve compared withother butterfly valves for this application is the low flowresistance when the valve is open. The design of slim andstreamlined disc shapes results in low pressure lossesand reduced energy costs for the end user. The saving of
energy costs may be several times the initial price of thevalve. Ask for our Technical Data sheet regarding flowthrough on/off valves and energy costs.
REGULATING VALVE
The butterfly valve is used in a partly open position toregulate the pressure, the capacity, level or temperature of a process. The Eurovalve range finds more and moreapplication as regulating valves due to their good linearflow characteristic. Ask for our Technical Data sheetregarding flow control.
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
2 PRODUCT DATA: RUBBERLINED BUTTERFLY VALVES
OPEN/C
PRESSUREHIGH
REGULA
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
2.2 INSTALLATION POSSIBILITIES
The Eurovalve ranges are intended for installation in flanged piping systems. They are easy to instathe pipeline, being bolted between the mating pipe flanges. A selection can be made from different bflanged. The correct body type of the valve should be selected on the basis of installation requireme
CHARACTERISTIC INSTALLATION SITUATIONS FOR DIFFERENT BODY TYPES
SEMI LUG WAFER TYPEWITH LONG NECK
FLANGELESS WAFER TYPE DOUBLE FLANGED TYPE
EVBLS EVS/EVL/EVCS EVFS/EVFL
Flangeless Semi-lug Semi-lug Single Luggwafer type wafer type wafer type flanged wafer t
with long wafer type (thrneck
Clamping between flanges OK OK OK OKInstallation between flanges and possibility OK OK OK OKfor downstream pipe dismantlingValve bolted at end of the line flange OK OK OK OTwo separate flange connections O
Bolting directly to hull (shipside) OKSuitable for insulation of pipes OK OK OK* OK O
* special execution for insulation around valve
Body types:
Valve installation requirements:
EVS/EVL/ EVBS EVBLS EVMS/EVCS EVML
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2.3 DESIGN
Eurovalve concept
Years of innovation, manufacturing and experience havecreated a complete range of centric rubberlined butterflyvalves.Up-to-date design and state of the art materials tailored tomarket needs and wishes such as no maintenance andlong service life. The Wouter Witzel design philosophy is
based on the principle objectives of achieving highreliability, high efficiency and to also be highly costeffective. High reliabilty by an excellent disc sealingconcept with a bonded rubber lining reducingmaintenance and downtime. High efficiency by excellentflow performance reducing energy losses.The diameter range is from DN 50 - 2000 (2 -80) and awide variety of materials is available for manyapplications. The valves are designed according to thelatest international standards and meet environmentalrequirements.
Design of the Eurovalve concept
The valve body is principally a cylindrical shape designedas a pressure containing part. The body is fullyrubberlined inside for sealing and corrosion protection.The body has flanges, lugs, or end connections formounting between pipe flanges and two necks for holdingthe shafts. The upper shaft extends out of the body and isused to operate the disc by the actuation device, mountedon a standardized interface flange.The disc is basically a circular part, which can rotate 90 on the axis of the shaft. The outer edge of the disc sealsagainst the lining in the closed position of the valve.
When the disc is perpendicular to the pipeline, the valve isshut. When the disc is parallel with the pipe, the valve isfully open. The orientation of the disc is indicated by agroove at the shaft end that is in line with the disc.Additionally the lever position or position indicator of theactuator shows the disc orientation.
High efficiency by low profistreamlined discs
Wouter Witzel has developed fuwith special low profiled and stresult in a low flow resistance wreduced energy costs for the endunder full-flow conditions the s
the diameter of the valve bore hon the fluid flow. Badly shapedvalves create pressure drop, turbpotential side effects such as vareduced plant efficiency. Attentstreamlining of the disc profile characteristics are to be achievecosts by selecting a Eurovalve minitial cost of the valve (ask Wocalculation)
High reliability by excellent
Wouter Witzel has developed a its Eurovalve ranges. The disc hwith the geometry of a centric laccurate and smooth-machined requires minimal deformation oto achieve a positive sealing. Thin less wear of the lining, a lowoperating torques.This excellent seating concept twhich is bonded to the valve bovalve performance, making thessuitable for high cycling freque
These features also make the Eusuitable for actuated duties.
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
Eurovalve design features and benefits for use:
CENTRIC SHAFT POSITION100 % bi-directional tight shut off.Installation without restriction in direction of flow.
STREAMLINED AND SLIM DISC SHAPE; FULL BORE BODYLow pressure loss and reduced energy costs.High Kv / Cv values.
NO CAVITIES IN THE FLOW PASSAGEEasy to clean and disinfect forpotable water systems etc.Self cleaning (no residue will be trapped).
FEW PROCESS WETTED PARTSGood resistance to corrosion.High reliability.
COMPACT CONSTRUCTION; LOW WEIGHTEasy to handle and to install.Less space in storage and installation.
BODY INTERNALLY RUBBERLINEDFluid does not contact the body (no corrosion).No flange gaskets required.Insulation of noise and heat transfer.
LINING BONDED TO THE BODYNo corrosion between body and lining.Suitable for vacuum service, eg at the sunctionside of the pump.Longer life time.No distortion of lining.Excellent performance in dry duties.Valve can be installed with the disc fully closed.
Particularly suited for actuated duties.Suitable for end of line use.
STANDARDIZED ACTUATION FLANGEEasy automation.Retrofitting of actuator is possible.Actuator position can be changed on site
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Body lining materials
Wouter Witzel has invested heavily in research into formulation of rubber compounds and so developexpertise in rubber technology. The quality of rubber compounds is fundamental to the performance aEurovalve ranges.
Important: It is essential that for each individual case the selection of the type of rubber complies witcharacteristics .A wrong selection may cause failure of the valve. The given temperature limits shall be used as guide
of a type of rubber depends on the actual service conditions such as working pressure, peak temperatuof both the process fluids and any cleaning medium etc. In case of doubt please contact Wouter Witz
For detailed information about resistance / temperaturerange of the lining against fluids please contact Wouter Witze
Note: In addition to the above standard rubbers there are several optional materials to suit special duties.
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
Wouter Witzel
code
M80
M46
M16
M23
M74
M113
M56
Type of material
Nitrile rubber, KTW/DVGWapproved(Wouter Witzel standard)
Nitrile rubber, DVGW approved
Ethylene-propylene-dienerubber, KTW/DVGW approved(Wouter Witzel standard)
Ethylene-propylene-dienerubber, heat resistant
Ethylene-propylene-dienerubber, WRC approvedCertification number 900527
Fluor rubber (B type)
Fluor rubber (GF type)
Material standardISO 1629
NBR
NBRDIN 3535 / T3
EPDM
EPDM
EPDM
FPM
FPM
Examples for application
Aliphatic hydrocarbons (fuoils, gases), seawater, comgranulars. Temperature ind
Gas supply when a DVGWmaterial is required.Temperature indication: 0
- Water in general (hot-, cswimming-, glycolized-
- Potable water.- Foodstuffs (including a- Weak acids, weak salt s
sour gases.Temperature indication: -3
Hot water, sugar juice.Temperature indication: 0
Potable water and foodstufor the lining material is reTemperature indication: 0
Many aliphatic, aromatic ahot gases/ when NBR or ENot for watery fluids.Temperature indication for
Concentrated acids, hot waTemperature indication: 0
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Disc materials
As the disc is a process wetted part the material should be carefully selected. Wouter Witzel can supply the materials:
Note: The material standards printed in italics are comparable with the supplied materials.Other materials (eg Uranus B6) are available on request.
Materials for shafts and tapered pins
Materials for shafts and tapered pins are selected on the basis of disc materials.
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
WouterWitzel code
M52
M50
M64
M20/M21
M77
M03/ EP-W-2coated
M03/Rilsancoated
M52/Halarcoated
M03/Halarcoated
Type of material
Stainless steel forging, 17 % CrMartensitic structureDN 50 - 600 (2 - 24 )
Stainless steel forging 22Cr5NiDuplex structureDN 50 - 600 (2 - 24 )
Stainless steel welding 18Cr 10NiAustenitic structureDN 700 - 1600 (28 - 64 )
Aluminium bronzeDN 50 - 2000 (2 - 80 )
Hastelloy-CDN 50 - 600 (2 - 24 )
Ductile cast iron, 340 mepoxy coated.WRC, DVGW, FDA approvedDN 250 - 2000 (10 - 80 )
Ductile cast iron, 300 mRilsan coated KIWA, BGA,KTW, FDA, WRC approv.DN 250 - 2000 (10 - 80 )
Stainless steel, 700 mHalar coatedDN 50 - 350 (2 - 14 )Ductile cast iron, 700 mHalar coatedDN 400 - 1000 (16 - 40 )
Material standard
1.4057, DIN 17440Gr.431, ASTM A276 431.S29, BS 970
1.4462, SEW 400F51, ASTM A276 318 S13, BS 1503
1.4435, DIN 17440TP 316L, ASTM A774 316 S13, BS 1503
G-CuAl10Ni, DIN 1714C95800, ASTM B148 AB2, BS 1400
CW-12MW,ASTM A494,
GGG 40, DIN 169360-40-18, ASTM A536 400-18, BS 2789
GGG 40, DIN 169360-40-18, ASTM A536 400-18, BS 2789
1.4057, DIN 17440
GGG 40, DIN 1693
Examples for application (F
Air, non corrosive hot or coabrasive duties (slurries, dr
Potable water,sea water, desolvents, foodstuff.
Potable water, demineralizeindustrial water.Not recommended for sea w
Sea water, potable water, ga
Phosphoric, hypochloric, aacids.
Potable water, clean water
Potable water, water (max. pH values between 4,5 and
Acids, alkali, organic solve(max 120 C)pH values between 1 and 1
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Standard material configurations
The following tables give a survey of the standard material configurations with the Wouter Witzel c
Disc: Stainless steel 1.4057Shaft SS 1.4057
Conical pin SS 1.4057
Lining NBR
Body Cast iron Ductile cast iron Cast iron
Code AA KA BA
Disc: Duplex SS 1.4462Shaft SS 1.4462
Conical pin SS 1.4462
Lining NBR
Body Cast iron Ductile cast iron Cast ironCode AE KE BE
Disc: Ductile cast iron/ Rilsan coatedShaft SS 1.4057
Conical pin SS 1.4057
Lining NBR
Body Cast iron Ductile cast iron Cast iron
Code AP KP BP
Disc: AlubronzeShaft AlubronzeConical pin AlubronzeLining NBR
Body Cast iron Ductile cast iron Cast iron
Code AK KK BK
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2.5 PRODUCT SHEETS
BASIC INFORMATION OF EUROVALVE BUTTERFLY VALVES:
Design in accordance with latest specifications of ISO, CEN, DIN, BS, API, JIS and others.
Marking: ISO 5209/EN19 (API 609, MSS SP25 on request).
Face to face equivalents:
DIN 3202: wafer- and waferlug types K1 (= ISO, series 20)K3 (= ISO, series 16)
double flanged types F16 (= ISO, series 13)F4 (= ISO, series 14)
BS 5155: wafer- and waferlug types short (= ISO, series 20)long (= ISO, series 16)
double flanged types short (= ISO, series 13)long (= ISO, series 14)
API 609: wafer- and waferlug types (= ISO, serie 20).
Customer specification and tailor made design are possible on request.
Drawings are butterflyvalves with free shaft. On request we can supply specification related drawingsmanual or power actuators or in accordance with customer s specification.
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BUTTERFLY VALVE - RANGE EVS DN 50 - 600 (2 - 24)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Flangeless wafer short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between two flangesFlange connections* PN 6 / 10 / 16 / 20 /ANSI Class 150 / JIS 5 / 10 / 16Valve shut off pressure* 2,5 / 6 / 10 / 16 bar
Leakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* KIWA,DVGW,WRC,SVGW,JKR,LRS,DNV,ABS,BV,GLActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
DN 50 - 350
01
02
03
04
05
06
07
08
10
05
DN 400 - 600
01
04
05
06
07
08
05
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BUTTERFLY VALVE - RANGE EVS DN 700 - 1400 (28 - 56)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Flangeless wafer short type with drilled or tapped centrilined
Valve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between two flangesFlange connections* PN 6 / 10 / 16 / 20 /ANSI Class 150 / JIS 5 / 10 / 16
Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short). NAvailable type approvals* KIWA,DVGW,WRC,SVGW,JKR,LRS,DNV,ABS,BV,GLActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
05
0819
17
18
07
05
06
04
01
03
02
1615
17
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RANGE EVS DN 700 - 1400 (28 - 56)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
D
E
F
H G
C
B
L
K
MEANS THROU
[ C ]
PREFERRED POSITION
WHEN INSTALLED IN
HORIZONTAL PIPELINE
B B
800 32"
90040"36"
12001000
48"1400 56"
750700
DN
30"28"
FLANGE BOLTING
DISC PROTRUSION
ONLY FORDN 1200 - 1400
M/n x
+
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BUTTERFLY VALVE - RANGE EVL DN 80 - 300 (3 - 12)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Flangeless wafer long type, centric, rubberlinedValve function* Isolating valve (on/off) or regulating valveInstallation Clamping between two flangesFlange connections* PN 6 / 10 / 16 / 20 /ANSI Class 150 / JIS 5 / 10 / 16Valve shut off pressure* 6 / 10 / 16 bar
Leakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 16 (wafer long) (DN 50,Available type approvals* KIWA,DVGW,WRC,LRS,ABS,GL,RIN,NKK,DNV,RMRActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
08
07
06
05
04
03
02
01
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RANGE EVL DN 80 - 300 (3 - 12)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
A
D
E
F
G
C
L
B
K
H
M/n x
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANGE BOLTI
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BUTTERFLY VALVE - RANGE EVCS DN 50 - 300 (2 - 12)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Flangeless wafer short type with alignment lugs, centricValve function* Isolating valve (on/off) or regulating valveInstallation Clamping between two flangesFlange connections* PN 6 / 20 /ANSI Class 150Valve shut off pressure* 6 / 10 / 16 bar
Leakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* FMActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
10
05
08
07
06
05
04
03
02
01
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RANGE EVCS DN 50 - 300 (2 - 12)
DIMENSIONS:
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Wouter Witzel Eurovalve
D
E
F
G
B
C
K
L
H
M/n xPREFERRED POSITION
WHEN INSTALLED IN
HORIZONTAL PIPELINE
FLANGE BOLTING + DISC PROTRUSION
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BUTTERFLY VALVE - RANGE EVBS DN 50 - 300 (2 - 12)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Semi-lug wafer short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between flanges with possibility for downstre
As end of line valveFlange connections PN10 / 16
Valve shut off pressure* 6 / 10 / 16 bar. As end of the line valve max. 10 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* KIWA,DVGW,WRC,LRS,DNV,ABS,BV,GL,RIN,NKK,RActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
03
05
08
07
06
0504
01
02
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RANGE EVBS DN 50 - 300 (2 - 12)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
DISC PROTRUSION + FLA NGE BOLTING
G
D
F
E
H
M/n
C
B
L
K
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
x
MAX. TORQUE TO TIGHTEN THFLANGE BOLTS M16: 45 Nm
M20: 90 Nm
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BUTTERFLY VALVE - RANGE EVBLS DN 50 - 200 (2 - 8)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Semi-lug wafer short type with long neck for insulationValve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between flanges with possibility for downstre
As end of line valveFlange connections PN10 / 16
Valve shut off pressure* 6 / 10 / 16 bar. As end of the line valve max. 10 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* WRC,LRS,BV,RMRSActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
08
05
07
06
05
04
01
03
02
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BUTTERFLY VALVE - RANGE EVTLS DN 50 - 1000 (2 - 40)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Lugged wafer short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Bolting between flanges with possibility for downstream
As end of line valveFlange connections* PN 6 / 10 / 16 /20 /ANSI Class 150 (JIS 5/10 on request)Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* KIWA,DVGW,WRC,DNV,ABS,BV,GL,RIN,NKK,RMRSActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
08
DN 50 - 350
02
05
07
06
04
03
01
05
08
07
06
05
04
01
DN 400 - 1000
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RANGE EVTLS DN 50- 1000 (2 - 40)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
M/n
C
L
K
E
G
D
A
F
R FOR PN 6, PN 10,PN 16 AND CL 150FLANGES
BOLTING BY HEXAGON HEAD BOSTUDS OR THREADED ENDS
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
x
DISC PROTRUSION AND FLANGE BOLTING
H
506580
100125150200250300
350
400450500
900
Rmin Rmax
17 2019 2219 2222 2523 2723 2725 2928 3333 38
23 38 27
39 50 42 4542 56 5448 62 6761 75
RmaxRmin Rmin
750
600
8882 90
9288 100 1000 10195 103
700 7268 78
800 8882 90
DN
EVTLPNPN 6
DN
EVTLSDN 50-300
PN ...
DN
6550
21/2"
NPS2"
A
6550
C
4643
D
7163
E
126118
F
1212
G
3434
K7070
H
1010
L
9090
M
99
n
44
F07F07
B
115100
ISO5211
NB: Also available with through h
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BUTTERFLY VALVE - RANGE EVUS DN 700 - 1600 (28 - 64)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type U-section wafer short type with drilled and tapped flangrubberlined
Valve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between two flanges, end of line as double flaFlange connections* PN 10Valve shut off pressure* 2,5 / 6 / 10 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* PendingActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
08
0607
05
04
19
17
18
17
02
03
01
15 16
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RANGE EVUS DN 700 - 1600 (28 - 64)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELIN
DISC PROTRUSION AN
G
F
E
D
C
L
K
TAPPED HOLES (4x)DEPTH: 1.25x Dbolt
H
M/n x
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Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
BUTTERFLY VALVE - RANGE EVMS DN 350 - 1000 (14 - 40)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Single flange wafer short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between flanges with possibility for downstre
As end of line valveFlange connections* PN 10 / 16Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 20 (wafer short)Available type approvals* DNV,ABS,GL,RIN,NKK,RMRS,FMActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
05
08
07
06
05
04
03
02
01
06
05
08
07
1
01
04
05
02
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RANGE EVMS DN 350 - 1000 (14 - 40)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
Wouter Witzel Eurovalve
A
C
H
K
M/n x
L
D
E
F
G
A
B
B
X
X
A
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANGE BOLTIN
MEANS TH
[ C ]
800 32"
90040"36"
1000
700
DN
28"
FLANGE BOLTING
+
A-A
S
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BUTTERFLY VALVE - RANGE EVML DN 80 - 800 (3 - 32)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Single flange wafer long type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Clamping between flanges with possibility for downstre
As end of line valveFlange connections* PN 10 / PN 16Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 16 (wafer long)Available type approvals* KIWA,DVGW,WRC,LRS,DNV,ABS,BV,GL,RIN,RMRSActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
Wouter WitzAFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
08
07
06
05
04
01
05
05
10
08
07
06
01
04
03
02
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RANGE EVML DN 80 - 800 (3 - 32)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
DISC PROTRUSION + FLANGE BOLTING
A
F
H
C
B
M/n
K
L
D
E
X
DN 80 - 350
A
A
DN 400 - 800
C-C
B
C
B
A-A
x
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
S
Y
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BUTTERFLY VALVE - RANGE EVFS DN 50 - 1000 (2 - 40)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Double flanged short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Bolting between flanges with possibility for downstream
End of line valveFlange connections* PN 6 / 10 / 16 / 20 /ANSI Class 150 / JIS 5 / 10 / 16Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 13 (double flanged shortAvailable type approvals* KIWA,DVGW,WRC,SVGW,LRS,DNV,ABS,BV,GL,RINActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
05
10
08
07
06
01
04
03
02
05
08
07
06
05
04
01
02
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RANGE EVFS DN 50 - 1000 (2 - 40)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
A
C
M/n
H
L
K
D
E
F
G
x
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANGE BOLTIN
405065
DN11 / 2"
21 / 2"2"
NPS40
6550
A106
112108
C58
7163
D113
126118
E12
1212
F34
3434
G101010
H707070
K909090
L999
MF07
F07F07
4
44
n ISO5211
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BUTTERFLY VALVE - RANGE EVFS DN 1200 - 2000 (48 - 80)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Double flanged short type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Bolting between flanges with possibility for downstream
End of line valveFlange connections* PN 6 / 10 / 16 / 20 /ANSI Class 150 / JIS 5 / 10 / 16Valve shut off pressure* 2,5 / 6 / 10 / 16 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 13 (double flanged shortAvailable type approvals* KIWA,DVGW,WRC,SVGW,LRS,DNV,ABS,BV,GL,RINActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND A
15
05
08
07
19
06
05
04
01
03
02
16
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RANGE EVFS DN 1200 - 2000 (48 - 80)
DIMENSIONS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
C
H
xM/n
K
L
D
E
F
G
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANGE
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BUTTERFLY VALVE - RANGE EVFL DN 50 - 1000 (2 - 40)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Double flanged long type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Bolting between flanges with possibility for downstream
End of line valveFlange connections* PN 10 (PN 16 on some sizes)Valve shut off pressure* 2.5 / 6 / 10 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 14 (double flanged long)Available type approvals* KIWA,DVGW,WRC,LRS,ABS,BV,GL,RINA,RMRS,FMActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
AFSLUI TERS EN BEDI ENI NGEN VALVES AND A
05
08
07
01
06
05
04
0
11
10
05
08
07
06
05
04
03
02
01
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
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RANGE EVFL DN 50 - 1000 (2 - 40)
DIMENSIONS:
A
H
xM/n
K
L
D
E
F
G
C
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANGE BOLTI
50
DN2"
NPS50
A150
C63
D118
E12
F34
G10
H70
K90
L9
M4
n ISO5211F07
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BUTTERFLY VALVE - RANGE EVFL DN 1200 - 1400 (48 - 56)General specification, construction details, parts list and dimensions
GENERAL SPECIFICATION:
Body type Double flanged long type, centric, rubberlinedValve function* Isolating valve (on/off) and/or regulating valveInstallation Bolting between flanges with possibility for downstream
End of line valveFlange connections* PN 10 / 16Valve shut off pressure* 2,5 / 6 / 10 barLeakage rate ISO 5208, Rate A (Bi-directional tight shut off)Face to Face dimension ISO 5752 / EN 558, basic series 14 (double flanged long)Available type approvals* KIWA,DVGW,WRC,LRS,ABS,BV,GL,RINA,RMRSActuation possibilities* Manual, electric, pneumatic or hydraulic
*Needs to be specified when ordering. Contact Wouter Witzel for detailed advice.
CONSTRUCTION DETAILS:
15
05
08
07
19
06
05
04
01
03
02
16
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
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RANGE EVFL DN 1200 - 1400 (48 - 56)
DIMENSIONS:
C
H
xM/n
K
L
D
E
F
G
PREFERRED POSITIONWHEN INSTALLED INHORIZONTAL PIPELINE
DISC PROTRUSION + FLANG
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2.6 TECHNICAL DATA
2.6.1 Flow data
ISOLATING VALVES (ON-OFF)Flow data of isolating valves is normally used within the calculations for pipework sizing and systemwhen the valve is in the fully open position. Many on/off isolating valves spend most of the time in and therefore these valves should have high Kv figures to reduce pressure drops, increase plant efficto reducing energy costs. Wouter Witzel has developed valves with a lot of attention being paid to aflow characteristics. (See table)
Table: Flow coefficient Kv at fully open valve position.
DN NPS Valves with stainless Valves with aluminium Valves with ductilesteel disc (Kv) bronze disc (Kv) iron disc (K
50 2 95 9565 21 / 2 231 23180 3 491 491
100 4 690 690125 5 1450 1450150 6 1945 1945200 8 4095 4095250 10 6085 4260300 12 9570 6360350 14 13500 8975400 16 16350 10130450 18 21550 12730
500 20 27700 17000600 24 37200 24810700 28 34470 34470800 32 45540 45540900 36 58290 58290
1000 40 73510 73510
Note: Cv=1,16 Kv
Flow sizing formulae:
Incompressible fluid flow (liquids):
Flow velocity:
* *
*
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2.6.2 Valve operating torques
The operating torque of a butterfly valve is in general the result of four partial torques:1-Seating torque : Torque to overcome the rubberseat friction.2-Bearing friction torque : Torque to overcome the friction between shaft and bearing.3-Dynamic torque : Torque developed by pressure differences across a partly opened valv
flow velocities.4-Hydrostatic torque : Torque caused by the difference in static head of liquid on the valve d
the valve shaft in a horizontal position. (Only important for large valv
The operating torque of a valve under operating conditions may vary depending on different fluid aspec
it is important to submit the right fluid data (see Valve Data Sheet) to Wouter Witzel to avoid valve operto incorrect actuator sizing. When no information is available Wouter Witzel takes the following assumpactuator sizing: The fluid is water (without solid particles) in the temperature range of +1 up to 80 C. The fluid does not include chemicals or contamination that may increase the friction between the seat At least one operation cycle per month. Flow velocity in the pipe not more than 4 m/s.
Operating torques (Nm) at differential pressures under above mentioned conditions:
Notes: - DN 50 - 200 (2-8) are 16 bar rated valves.- Bigger sizes on request.
2.6.3 Mating flanges, compatibility
The Eurovalve ranges are designed for installation between flat or raised faced flanges with preference welding neck type according the following standards.
NOTE: It is important to specify the right PN number and flange standard when ordering.
506580
100125150200
250300
221 / 2
34568
10 12
101318304267
130
220310
101419324675
140
250350
111521365286
160
400560
PN number Weld neck flanges (Slip on flanges
DN NPS 6 BAR 10 BAR 16 BAR
Other flange
When other please contaadvice regaractuator seleair, slurries, linfrequent cy
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AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
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la n g e s a n
d b o l t
i n g
f o r p
i p e s ,
v a l v e s a n
d f i t t i n g
a r g e
d i a m e t e r c a r
b o n s t e e
l f l a n g e s
a s i c d i m e n s i o n s o
f 5 k g f / c m
2 f e r r o u s m a
t e r i a l s
ip e
f l a n g e s
a s i c d i m e n s i o n s o
f 1 0 k g f / c m
2 f e r r o u s m a t e r
i a l s
ip e
f l a n g e s
a s i c d i m e n s i o n s o
f 1 6 k g f / c m
2 f e r r o u s m a t e r
i a l s
ip e
f l a n g e s
8 , 4
4 , 3
7 , 0
6 , 1
7 , 8
9 , 6
5 , 0
2 , 1
5 , 6
6 , 4
9 , 9
0 , 7
1 5 , 9
1 9 , 1
1 9 , 1
1 9 , 1
1 9 , 1
1 9 , 1
2 2 , 2
2 2 , 2
2 2 , 2
2 5 , 4
2 5 , 4
2 5 , 4
1 / 2
5 / 8
5 / 8
5 / 8
5 / 8
5 / 8
3 / 4
3 / 4
3 / 4
7 / 8
7 / 8
7 / 8
4 4 4 4 8 8 8 8 1 2 1 2 1 2 1 2
d
d 1 B o
l t n
1 2 0
1 3 0
1 5 5
1 8 0
2 0 0
2 3 5
2 6 5
3 2 0
3 8 5
4 3 0
4 8 0
5 4 0
9 5 1 0 5
1 3 0
1 4 5
1 6 5
2 0 0
2 3 0
2 8 0
3 4 5
3 9 0
4 3 5
4 9 5
1 5 1 5 1 5 1 9 1 9 1 9 1 9 2 3 2 3 2 3 2 5 2 5 M 1 2
M 1 2
M 1 2
M 1 6
M 1 6
M 1 6
M 1 6
M 2 0
M 2 0
M 2 0
M 2 2
M 2 2
4 4 4 4 8 8 8 8 1 2 1 2 1 2 1 6
D
d
d 1 B o
l t
n
1 4 0
1 5 5
1 7 5
1 8 5
2 1 0
2 5 0
2 8 0
3 3 0
4 0 0
4 4 5
4 9 0
5 6 0
1 0 5
1 2 0
1 4 0
1 5 0
1 7 5
2 1 0
2 4 0
2 9 0
3 5 5
4 0 0
4 4 5
5 1 0
1 9 1 9 1 9 1 9 1 9 2 3 2 3 2 3 2 5 2 5 2 5 2 7 M 1 6
M 1 6
M 1 6
M 1 6
M 1 6
M 2 0
M 2 0
M 2 0
M 2 2
M 2 2
M 2 2
M 2 4
4 4 4 8 8 8 8 1 2 1 2 1 6 1 6 1 6
D
d
d 1 B o l t n
1 4 0
1 5 5
1 7 5
2 0 0
2 2 5
2 7 0
3 0 5
3 5 0
4 3 0
4 8 0
5 4 0
6 0 5
1 0 5
1 2 0
1 4 0
1 6 0
1 8 5
2 2 5
2 6 0
3 0 5
3 8 0
4 3 0
4 8 0
5 4 0
1 9 1 9 1 9 2 3 2 3 2 5 2 5 2 5 2 7 2 7 3 3 3 3
M
1 6
M
1 6
M
1 6
M
2 0
M
2 0
M
2 2
M
2 2
M
2 2
M
2 4
M
2 4
M 3 0 x 3
M 3 0 x 3
4 8 8 8 8 8 1 2 1 2 1 2 1 6 1 6 1 6
D
d
d 1
B o
l t
n
S ,
t a b l e E
J I S 5 K
J I S 1 0 K
J I S 1 6 K
n x
d 1
d D
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2.7 SPECIAL EXECUTIONS AND ACCESSORIES
The following special butterfly valves executions and accessories are available on request:
2.7.1 Valve with Halar coated disc for corrosive fluids
SPECIFICATION
2.7.2 Double block and bleed valve for hazardous applications
SPECIFICATION
Application
Description
Available on
In extremely corrosive fluids e.g.most technical acids, alkalies andorganic solvents where stainlesssteel discs are not resistant. Alsofor sticky fluids.Max. temperature: 120 C.
The disc surface is fully coatedwith Halar (ECTFE). The conicalpin has been replaced by innerhexagon or square. Only the discand body lining are wetted by theprocess fluid.
All Eurovalve ranges.DN 50 - 350 (2 -14 ): Max. 10 barworking pressure.Disc stainless steel.DN 400 - 1000 (16 -40 ): Max. 6 barworking pressure. Disc ductile iron.Note: Shaft square may be different from standard.
Application
Description
Where seat leakage may be thecause for:-danger at pipe inspection or repair.-explosion risk-unallowed mixing or loss of fluids
The fluid must be gaseous or non-corrosive liquids.
The disc has two peripheralseating edges. The valve when inthe closed position providesblockage of flow from both valve
AFSLUI TERS EN BEDI ENI NGEN VALVES AND ACTUATORS ARMATUREN UND BETTI GUNGEN
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2.7.3 Ductile iron disc with corrosion resistant disc sealing edge for erosive and corrosive fluids
SPECIFICATION
2.7.4 Polished stainless steel disc for clean services
SPECIFICATION
2.7.5 Silicone free valves for coating installations
SPECIFICATION
Application
Description
Available on
Erosive and corrosive fluids withhigh flow velocities where ductilecast iron discs are specified.
The disc edge in contact with therubber lining is faced witha corrosion resistant nickel-chromium alloy (Inconel applied) bywelding and finish machined.
Valves with ductile iron discs, sizes DN 600 (24 ).
Application
Description
Available on
Valves used in the pharmaceutical,chemical and food industry.
The disc surface has beenpolished to avoid contaminationand bacterial growth.
Valves with duplex or austeniticstainless steel discs in allEurovalve ranges DN 50 - 1600(2-64 ).
Application
Description
A il bl
Valves used in silicone freeprocesses e.g.coating systemsfor car manufacturers.
All valve parts are cleaned beforeassembly in the clean room whereno grease is used.Valves are marked with the letterR and specially packed in sealedplastic bags.
All E l g DN 50 600
integrally welded facing
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2.7.7 Support legs (accessory)
SPECIFICATION
2.7.8 Leakage detection/protection (accessory)
SPECIFICATION
Application
Description
Available on
When the valve is to be set on afixed base to support the valve.
Steel welded structure, connectedto the valve body by bolting; tailormade.
EVFS DN 1200 - 2000 (48 -80 )Other sizes and types on request.
Application
Description
Available on
-Extra environmental protection of the shaft passage out of thepressure containing cavity in caseof harmfull pipe fluids (additionalto German TA-Luft).-In case of requirement forexceptional high valveperformance reliability.
Additional intermediate part onthe valve head with internal R 1 / 4threaded connection for detection,draining or emergency sealing of leakage.TV approved.
All Eurovalve ranges and sizes.Extended shaft necessary.
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2.8 STORAGE AND INSTALLATION
GeneralThis chapter gives general instructions regarding storage,installation and system testing of butterfly valves.For each type of valve Wouter Witzel has drafted a detaileduser manual with the following contents: Safety precautions Handling and storage Installation Operating conditions
Maintenance Trouble shootingAsk Wouter Witzel for a User Manual when ordering.
Storage of valvesStore the valve in dry, dark and cool conditions, preferablyindoors with the actual valve temperature higher than thedew point. If outdoor storage is unavoidable, support thevalves off the ground and protect the valves with awatertight cover.Do not remove the valve packaging or end portprotection, until necessary for inspection or installation.Store the valve in the slightly open position to avoiddeformation of the rubberlining.
Inspection prior to installation1 Inspect the valve visually for damage or contamination
during transport, handling and storage as this couldadversely affect valve performance.2 Carefully unpack the valve.3 Check the tagplates if attached on the valve.4 Inspect the valve interior and lining. It shall be clean,
free from foreign matter or damage.5 Check that all electric components are marked with the
correct IP rating and hazardous class when the valve isto be used in a hazardous location (explosive gas or
vapour).6 If practical, actuate the valve through close/open and
open/close cycles to check the correct function.Warning: Avoid contact with the valve disc.
7 Immediately prior to installation, check the flanges towhich the valve is to be fastened The flanges shall
Installation between flangeNote: - New valves do not gaskets. The lining wilflange face.
- Where practical, valveshould be located in un
- As the valve is bi-diredirection of installation
- When installed in a ho
larger than DN 300 shopositioned horizontallyOption: Vertical shaft p
INSTALLATION IN AN EXIST1 Check that the installation len
flanges is enough to position damaging the rubber lining.
2 Position the valve in the centhe shaft horizontally if pos
3 Check the bolts for proper s4 Tighten the bolts in a crissc
body (metal) touches the fla
INSTALLATION IN A NEW P1 Weld the flange to the pipe
are parallel.
Caution: Do not weld a conwith the valve installed in orthe rubber lining.
2 After cooling the flange, pocentre of the pipeline and wpossible.Note: - Valves may be fitt
position- Valves fitted with
be fitted when in thdamage of disc) or
3 Tighten the bolts in a crisscbody (metal) touches the fla
Testing
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3 PRODUCT DATA: MANUAL OPERATORS
Wouter Witzel supplies a wide selection of manual operators: lever and wormgear in different execuother options are available.
LeverThe basic manual operator for Eurovalves up to DN 200 (8 ) is the 10 position spring loadedprovides quick operation, economy and simplicity. When the lever is not in manual control it alwayposition.It is designed to open or close the valve or to regulate the flow. The lever is also designed to serve aindicator. When the lever is positioned parallel to the pipeline the valve is open.
WormgearTo reduce the required manual effort applied to operate a Eurovalve larger than DN 150 (6wormgear allows greater ease of operation and gives a better protection against system damage causdue to quick closing. For regulating valves with a wormgear the system can be properly balanced byCasing materials are aluminium or cast iron. The available operating devices for wormgear are handburied service or chainwheels for overhead installations.
LEVER WORMGEAR
Technical data is given in the following product data sheets ; ;
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3.2 GEARBOX, ALUMINIUM CASING
Figure:
FIG.1: HANDWHEEL IN LINEWITH PIPELINE
Option:
B
C
A
Application:For the manual operation of Eurovalves up to andincluding DN 500 (20 ). General purpose applications.
Product description: Body of (polyurethane coated) light weight aluminium Self-locking Suitable for fine control service Adjustable end stops Visual position indicator Life time lubrication Replaceable stem drive bush (n.a. for AM type) Steel handwheel
Technical data: Stroke : 90 wit Rotation : Clockwi Enclosure : IP 64 acc Temperature : -20 to
Options: Handwheel in line with pi Approved gearboxes eg U
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3.3 GEARBOX, CAST IRON CASING
Application:For the manual operation of Eurovalves up to andincluding DN 600 (24 ). Heavy duty applications.Bigger sizes on request.
Product description: Body of polyurethane coated cast iron Self-locking Suitable for fine control service
Adjustable end stops Visual position indicator Life time lubrication Handwheel operation
Figure:
Available types and dimensions:
o p e n
o p e n
Options:
FIG. 3: HANDWHEEL IN LINE
FIG. 1: LIMITSWITCHES
FIG. 2: VANE POSITION INDIC
B
A
C
s h u
t
s h u
t
Technical data: Stroke : 90 wit Rotation : Clockwi Enclosure : AB: IP6
acc. to D Temperature : -20 to Options: Body of ductile cast iron IP 68 executions for burie
Limit switches (figure 1) Vane position indicator (f Various locking possibilit Shaft extension possibiliti Memory stop WK AB is FM approved Handwheel in line with p
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3.4 GEARBOX FOR BURIED SERVICEwith input shaft extension
Application:For the manual operation (open/close) by T-key ofEurovalve butterfly valves buried service.
Product description:
Body of epoxy coated cast iron Clockwise closing is standard Self-locking Adjustable end stops Life time lubrication Option: body ductile iron (type E 1950 standard) Option: anti clockwise closing
Technical data: Stroke : 90 with 5 adjustment Enclosure : IP 68 according IEC 529 / EN 60529 Temperature : - 20 to 80 C Input : max. 250 Nm (EN 1074)
Figure:
Wormgears type M with B3C extension
Wormgears types E and GS with B3T extension
Product description spindl Square (30 mm) for T-k Tailor made length (fact Plastic (PVC) protectio Option: position indicat
Product description extens
Square (30 mm) for T-k In 5 executions with tel Plastic (Polythene) prot Internal fracture pin aga Options: position indica
limit switches
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X
B
Wormgear type A B X min X max Turns to KG(mm) (mm) (m) (m) close
MYF 40 40 77 0,7 3,0 10 15MAF 46 45 86 0,7 3,0 11,5 17MAF 46 / S3 45 8 0,7 3,0 34,5 32MCF 72 48 137 0,7 3,0 18 33MCF 72 / S3 48 59 0,7 3,0 54 48
Wormgear type A B X min* X max* Turns to KG(mm) (mm) (m) (m) close
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3.5 GEARBOX EXTENSIONS
Extension type B3E for remote A steel extension to extend the lever, any type of wormgear or Maximum length 3 m.
Extension type B3F for operatiofloor level.Extension arrangement which amisalignment of the universal cNote: Also available with position inactuator instead of handwheel.
Extension type B3D for overhead installations.Execution with a chainwheel and chain.
Wouter Witzel supplies different types of wormgearextensions for remote operation of butterfly valves.a - Extension between valve head and actuator eg the type
B3E.b - Extension of the operating device, eg the types B3D
and B3F.
OPEN
CLOSED
S H U T S
H U T
O P E N
X
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4 PRODUCT DATA: CHECK VALVES
FLANGELESS WAFER TYPE, RUBBER SEATED
4.1 GENERALFunctionThe ECV is a check valve to avoid unwanted back flow ina pipe.
ApplicationsIn water supply systems (distribution, treatment etc.),
irrigation, heating systems, ship building, industrialprocesses (liquids and gases).Temperature indication: EPDM -30 C to 110 C
NBR 0C to 90 C
Pipe connectionThe ECV check valve has been designed for installation inflanged piping systems (PN 10, PN 16, etc.).The flangeless wafer type body shall be clamped betweentwo flanges with flat or raised faces (weld neck or slip onflanges). Suitable gaskets shall be used for sealingbetween valve and flanges.
4.2 DESIGNThe ECV is a self acting pivoting check valve of the doubledisc wafer type. The valve is maintenance free. The designis compact and space saving.
The ECV check valve has a superior closing response priorto flow reversal. The corrosion resistant springs aredesigned to quickly close the valve at zero flow to prevent
undesirable pressure surges. In the closed position thevalve is tight shut off. It opens automatically when theflow starts again.
The elastomer seat is vulcanized and bonded to the bodyti g It i t f th fl th th i g t d d
Attention paid to the streamparamount if good flow chaThe saving of energy costs bcheck valve may be severalvalve (ask Wouter Witzel fo
The use of these design feat
material selection makes thereliability and a low operati
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4 4 MATERIALS
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4.4 MATERIALS
The ECV is available in different materials as shown in the following tables. The selection is mainly baproperties of the fluid(s). Inconel springs have a longer life time specially in chloride containing fluids e
PART MATERIAL MATERIAL STANDARDBody Cast iron (DN 50 - 200/2 -8) GG 25, DIN 1691 cl., ASTM A126
Ductile cast iron ( 250/10) GGG 40, DIN 1693 60-40-18, ASTM A5Aluminium bronze: G-CuAl10Ni, DIN 1714 C95800, ASTM B14
Disc Aluminium bronze: G-CuAl10Ni, DIN 1714 C95800, ASTM B14Shaft / stop pin Stainless steel: X5CrNiMo 17 12 2 AISI 316
Spring Stainless steel: X5CrNiMo 17 12 2 AISI 316Inconel: NiCrMo9Nb, DIN 17744 UNS N06625, ASTM
Seat Rubber: EPDM, NBR, FPM
Note: The material standards printed in italics are comparable with the supplied materials.
External and internal coating for grey and ductile cast iron bodies:
Code Coating Colour UsePUR Polyurethane coating. Orange Indoor and outside exposure. Light an
Thickness 60 m. RAL 2000EP-W-2 Epoxy coating Grey Potable water systems.
Thickness 350 m. RAL 7038
Remark: Polyurethane coating is also available in the colours: blue/RAL 5017, red/RAL 3000 or grey/RAL 7000. Other c
Standard material configurations and Wouter Witzel combination codes
DN 50 - 200 (2 -8)Body: Cast ironDisc : Aluminiumbronze
Shaft SS AlubronzeSpring SS Inconel
Seat NBR EPDM NBR EPDMCode AW BW - -
DN 250 - 600 (10 -24)Body: Ductile cast iron
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5 SALES PROGRAMME: OTHER WOUTER WITZEL PRODUCTS
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5 SALES PROGRAMME: OTHER WOUTER WITZEL PRODUCTS
5.1 LARGE DIAMETER BUTTERFLY VALVES AND CHECK VALVESFor use as isolating valves or check valves in special duties eg: dry docks, power stations, water supply,Installation in flanged piping systems: PN 2,5 , 6, 10, AWWA, API.Installation with welded pipe connection: Welding ends according DIN, ANSI, API.With manual or automatic operation.
RANGE TFLDouble flanged type
Design:
Rubber seat in bodyDouble-eccentric shaftconstruction.Design pressure max. 16 bar.DN 700 - 4000 (28 - 160").
RANGE TCV
CHECK VALVEDouble flanged type
Design:
Rubber seat in bodyDouble-eccentric shaftconstruction with counterweight and power unit.Design pressure max. 16 bar.DN 700 - 2000 (28 - 80").
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5.2 HIGH PERFORMANCE BUTTERFLY VALVES
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5.3 REGULATING BUTTERFLY VALVESFor use as regulating valve in low-pressure systems withgaseous or granular fluids, eg: coking plants, steel works,air conditionig systems, granular transport systems.Installation in flanged piping systems: PN 6 10 16
WAFER AND FLANGED VALVES
Ask for our special product leaflets.
RANGE EMSFlangeless wafer type
Design:
Metallic or soft seat in body.Double-eccentric shaftconstruction.Design pressure max. 20 bar.Bi-directional sealing.DN 80 - 600 (3" - 24").
RANGE EMTLSTapped lug wafer type
Design:
Metallic or soft seat in body.Double-eccentric shaftconstruction.Design pressure max. 20 bar.Bi-directional sealing.DN 80 - 600 (3" - 24").
RANGE EVRFlangeless wafer type
PN 10/16 class 150
For use as isolating or regulating valve in heavy dutyapplications, eg ship building cargo systems, petro-chemical industries, industrial systems.Approved by different international certification bodies egLloyds. Fire safe executions available.
Installation in flanged pipinANSI Class 150.With manual or automatic oAlso available in double flanNote: PN 25/40 Class 300 o
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5.4 PTFE LINED BUTTERFLY VALVES FOR CORROSIVE FLUIDS
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For use as isolating or regulating valve in industrial processes with highly corrosive fluids eg: petro-chefoodstuff industries, sugar refineries, paper- and pulp mills, shipbuilding, cargo systems, off-shore.Installation in flanged piping systems: PN 6, 10 16, ANSI Class 150.With manual or automatic operation.
WAFER BUTTERFLY VALVES
Ask for our special leaflet.
RANGE EVT-WAFERLUGLug wafer type
RANGE EVT-WAFERFlangeless wafer type
Design:PFA coated disc.PTFE liner in body.
Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 25 - 900 (1" - 36").
Design:PFA coated disc.PTFE liner in body.
Centric shaft construction.Design pressure max. 16 bar.Bi-directional tight shut-off.DN 40 - 700 (1 1 / 2 " - 28").
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WOUTER WITZEL BV
Postal address:P.O.Box 465NL-7500 AL ENSCHEDEWorks and head office:Industrieterrein De Pol 12NL-7581 CZ LOSSER
Telephone: 053 - 536 95 36Telefax: 053 - 536 95 00e-mail: [email protected]
WOUTER WITZEL LTD
Cray AvenueOrpingtonGB-KENT BR5 3RU
Telephone: 01689 - 897898Telefax: 01689 - 896677
e-mail: [email protected]
WOUTER WITZEL GmbH
Postfach 1946, D-48580 GRONAU i/WDppelstrasse 7, D-48599 GRONAU i/WTelephone: 02562 - 9620 - 0Telefax: 02562 - 9620 - 20e-mail: [email protected]
WOUTER WITZEL GmbHPostfach 13, D-01760 SCHMIEDEBERGTelephone: 035052 - 25017Telefax: 035052 - 25017