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Wafer Type Retainerless Dual Plate Check Valve

Wafer Type Retainerless Dual Plate Check Valve

Ductile Iron Di Dual Plate Wafer Check Valve Wafer end swing check valve is mainly composed of three parts: body, disc( stem), spring. The short closing stroke of disc and the spring force improve the closing effect, while also reduce the pressure surge and slamming noise. The valve body...
Product Details

Wafer Type Retainerless Dual Plate Check Valve

Dual plate check valve has retainer and retainer-less type design. Dual plate check valves have the advantage of zero leakage toward outside, cost saving. It can be installed in any line orientation, superior seal performance. Valves are designed in accordance to API 594 and have dual plate or single plate design and pin can be retainer-less type.


To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Product Features

Dual plate or single plate.
Spring loaded disc

Resilient or metal seated
Retainer or Retainer Less Design
Round, Full Lug or Double Flange
Light-weight & compact design
Wafer body style fit between FF or RF flanges
Torsion springs assist valve closure, preventing flow reversal
Thrust washer reduce friction and wear of valve plate hinges 
Optional plug disc

Sizes: 1/2" - 48" ,DN15- DN2800

Pressure Rating: Class150 - Class2500,PN16 - PN420

working temperature: -196~540 degree Celsius.

Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.


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1. What is your MOQ?
Our MOQ is usually 5 CTNS.

2. What is your delievery time?
Our delievery is about 25-30days.

3. What is your payment terms?
We accept T/T, 100% L/C, or West Union and so on.

4. Could you provide free samples?
Usually, we offer free samples, customers bear freight cost. 

5. Why choose us?

, comparing with many factories, our prices are more competitive.

Secondly, We 100% test working pressure for ALL our products.

Finally, After- Services will be highly satisfied. Any problems and feedbacks will be responded efficiently.

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