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Shanghai Yichen Valve Co., Ltd.

Valve, China Valve, Pneumatic Butterfly Valve manufacturer / supplier in China, offering Pneumatic Flange Type Ventilation Butterfly Valve (TD641W), Electric  Bare Pipe Pinch Valve, API Standard Electric  Bare Pipe Pinch Valve and so on.

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Supplier Homepage Product Butterfly valve Pneumatic Flange Type Ventilation Butterfly Valve (TD641W)

Pneumatic Flange Type Ventilation Butterfly Valve (TD641W)

FOB Price: US $10-30 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $10-30/ Piece
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Port: Shanghai, China
Production Capacity: 10000
Payment Terms: T/T

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Basic Info
  • Model NO.: TD641W
  • Connection Form: Flange
  • Seal Form: Force Sealed
  • Work Pressure: Low Pressure (Pn<1.6mpa)
  • Material of Seal Surface: Metal Hard Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Size: 1′-24"
  • Transport Package: Plywood Case
  • Origin: China
  • Driving Mode: Electric
  • Structure: Centre Sealing
  • Valve Stem: Normal
  • Working Temperature: High Temperature (T>450°C)
  • Valve Body: Casting
  • Valve: Butterfly Valve
  • Trademark: YI CHEN
  • Specification: CE API ISO
  • HS Code: 8481804090
Product Description





Pneumatic Flange Type Ventilation Butterfly Valve (TD641W)
Pneumatic Flange Type Ventilation Butterfly Valve (TD641W)
Pneumatic Flange Type Ventilation Butterfly Valve (TD641W)

Pneumatic Flange Type Ventilation Butterfly Valve
The Sealing ring of this butterfly valve uses the same material with valve body and with Pneumatic or Electricdrive form. Its working temperature is subject to its valve body material. Its nominal pressure ≤0.6Mpa is widely used in the pipelines of  Industry, Metallurgy,Enviromental protection as ventilation to regulate the media flow.
1. Novel and reasonable design, unique structure,light in weight, quick open and clos

2. Small operating torque,convenient operation,labor-saving
3. Using relative material to meet the needs of low ,medium,high temperature of different medias and alsocorrosive media.
Technical Data:

DN(mm)  Nominal Diameter50~4000
PN(mpa)  Nominal Pressure0.
Testing pressureShell0.0750.150.3750.9
SealingClosed Type0.0550.110.2750.66
No closed type≤1.5% leakage
Suitable mediumsGas,dust gases,flue gas,etc
Drive formsManual, worm gear,pneumatic,electirc transmission

Material of Main Parts:

Part NameMaterial Name
Valve BodyQ235A,16 manganese steel, stainless steel
Butterfly boardQ235A,16 manganese steel, stainless steel
Seal ringQ235A,16 manganese steel, stainless steel
Stem2Cr13 ,Stainless steel
PaddingFlexible graphite 
    • FAQ


    1.Q: What is your main market?

       A: Our main market is North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe.


    2.Q: Are there products standard?

      A: Our model is standard, if you have specific demand, pls tell us.


    3.Q: Do you have interest to do our own design items?

       A: Absolutely! It's our pleasure.

    Our Services

    1)Our advantage:


     We are the manufacturer with almost 20 years experience on valves. Best price,quality and service, Also we can control the production status. Shanghai YI CHEN team with strong ability in designing and after sell service. Cooperation with Carrier has improved our quality to a new level.



    2)Terms of payment: T/T, L/C, Western union.


    3)Shipment: average 20-25days after receiving deposit.


    4)Delivery:  Shanghai/Ningbo ,by sea or air.


    5)Gurantee: One year since delivery.


    6)Inspection: 100% testing for all the valves.


    7) All kinds of CERTIFICATE OF ORIGIN.



    Welcome to choose SHANG HAI YI CHEN , we are always ready!

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