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Stainless Steel Butterfly Valves PN16 Concentric Design WRAS DVGW Rubber

Shanghai kangquan Valve Co. Ltd.
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Shanghai kangquan Valve Co. Ltd.
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-57626759
Contact Person:
Mr Steve

Stainless Steel Butterfly Valves PN16 Concentric Design WRAS DVGW Rubber

Brand Name : OEM
Model Number : D71X / D371X
Certification : ISO 9001 / CE
Place of Origin : Shanghai , China
MOQ : 1pcs
Price : negotiation
Payment Terms : T/T advance or L/C at sight
Supply Ability : 90,000pcs per month
Delivery Time : 1usually within 35 days after received your payment
Packaging Details : Usually packing by plywood case suit for sea delivery
Structer : butterfly valve
Application : Sewage, water etc.,
Size : DN50 ~DN3000
Pressure : PN10
Standard : DIN / BS / AWWA / JIS
Temperature : -20~120 C
Body : Cast iron/ ductile iron/ stainless steel
Disc/wedge : Ductile iron/ Stainless steel/ SS304/SS316
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Stainless Steel Butterfly Valves PN16 Concentric Design WRAS DVGW Rubber


butterfly valves pn16 wafer type and concentric design, WRAS,DVGW rubber avaibable


  • Valve body is designed to meet MSS SP-67 and API609.
  • Upper flange standards: Valve mounting flange and stem shall be per ISO 5211.
  • Flange Standard: GB 9113.1N ANSI 150 B16.5,JIS B2211.
  • Pressure Rating:
  • Bi-directional bubble-tight shut off to: 16 bar(230psi) DN40~DN600mm
  • And tested to 110% of full rating: 18 bar(260psi) DN40~DN600mm
  • Shell Testing:
  • The body strength can stand 150% of full rating: 24 bar(340psi) DN40~DN600mm

Main Features

  • Tight sealing and zero leakage under rated pressure(1 .OMpa,1.6Mpa).
  • Multi-sealing design separates valve body from working media to ensure zero leakage.
  • Main parts are designed to fit exactly into each other to ensure a better sealing, smaller torque, bigger flow, lower fluid resistance as well as flexible two-side flow.
  • Scientific design for the sealing surface of valve seat makes a closed connection between the valve and the pipe flange without any additional ccessories.
  • Designed and produced based on multi-standard system, so the valve could be applied to various of flange and enjoy excellent interchangability.
  • All parts are embalmed, suitable for various complex work environment.
  • Others: According to customer requirements.


Size: DN50 - 3000
Temperature: -15℃ - 150℃
Pressure: 1.0MPa/1.6MPa


Materials


Materials of Body : Ductile Iron (GGG40, GGG50). Cast Iron (GG25), Stainless Steel


Materials of Disc : Stainless Steel. Nickel Plated, Ductile Iron, Ductile Iron Coated Plastic,

Titanium Steel, Copper Alloy etc


Materials of Seat : Ethylene-Propylene-Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE),

Nitrile Rubber (NBR), Chloroprene, Chlorosulfonated Polyethylene (Hypalon),

Silicon, Fluoroelastomer (VITON) , Caoutchouc etc.


Materials of Stem : Stainless Steel. Carbon Steel ,2Cr13


A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe.
The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe.
The plate has a rod through it connected to an actuator on the outside of the valve. Rotating the actuator turns the
plate either parallel or perpendicular to the flow. Unlike a ball valve, the plate is always present within the flow,
therefore a pressure drop is always induced in the flow regardless of valve position.


Wafer Rubber Seated Butterfly Valves

DN
(mm)

PN
(MPa)

Connection dimensions(mm)

L

D

D1

Zφd

40

1.0/1.6

43

145

110

4-18

50

43

165

125

4-18

65

46

185

145

4-18

80

46

200

160

4-18/8-18

100

52

220

180

8-18

125

56

250

210

8-18

150

56

285

240

8-22

200

60

340

295

8-22/12-22

250

68

395/405

350/355

12-22

300

78

445/460

400/410

12-22

350

1.0

78

505

460

16-22

400

102

565

515

16-26

450

114

615

565

20-26

500

127

670

620

20-26

600

154

780

725

20-30

700

165

895

840

24-30

800

190

1015

950

24-33

900

203

1115

1050

28-33

1000

216

1230

1160

28-39

1200

254

1455

1380

32-39

1200

0.6/0.25

254

1400/1375

1340/1320

32-34/32-30

1400

279

1620/1575

1560/1620

36-34/36-30

1600

318

1820/1785

1760/1730

40-34/40-30

1800

356

2045/1985

1970/1930

44-41/44-30

2000

406

2265/2185

2180/2130

48-48/48-30



Product Advantages:

1) Small in size and light in weight and maintaince.
It can be mounted whereever needed.

2) Simple, compact structure, quick 90 degree on-off operation.

3) Disc has two-way bearing, perfect seal, without leakage under
the pressure test.

4) Flow curve tending to straight-line. Excellent regulation performance.

5) Various kinds of materials, applicable to different medium.

6) Strong wash and brush resistance and can fit to bad working condition.

Product Tags:

ductile iron butterfly valve

      

water butterfly valves

      
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Stainless Steel Butterfly Valves PN16 Concentric Design WRAS DVGW Rubber Images

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