Wafer Double Plate Check Valve

Structural Feature
1. Short structural length, only 1/4-1/8 of that of traditional flanged check valve;
2. Low volume,light weight, only 1/4-1/20 of those of traditional flanged check valve;
3. Quick valve disc closedown, low water hammer pressure;
4. Applicable for and easily installed for vertical or...

Product Details

Wafer Double Plate Check Valve


Details:

1. Nominal diameter:

    2" - 48" (DN50 - DN1200)

2. Pressure range:

    Class 150 - Class 2500 (PN16 - PN420)

3. Working temperature: 
 
   -196℃ - 560℃

4. Body material:    

    Carbon steel, Stainless steel, Alloy steel, Bronze

5. End Connection:     

    RF, RTJ, BW


Material Option:  

Carbon steel  

A216 Gr. WCB, WCC, WCA, etc

Low temperature steel

A352 Gr. LCB, LCC, LC1, etc

Cr-Mo steel

A217 Gr. WC6, WC9, C5, C12, C12A, etc

Stainless Steel

A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, etc

Alloy steel

CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc

Super duplex

A995 Gr. 4A, 5A, CE8MN, CD6MN, CD3MN, etc

Aluminum bronze

B148 C95500, C95600, C95800, etc

Monel

M30C, M35-1, CZ100, etc

Inconel

CY40 inconel 600, etc

Hastelloy

CW2m Hastelly C4, N12MV Hastelloy B, etc

Incoloy

CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc


Main features

The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.


Main Parameter Specification

Inspection and test: API598, JB/T9092;

Design and manufacture: API594, API 6D, JB/TB8937;

Face to face and end to end: API594, API6D, DIN3202, JB/T8937;

Pipe flange: JB/T74~90, SH3406, ASME B16.5, DIN2543~2548, GB/T13402. 

Pressure-temperature rating: ASME B16.34, DIN2410,GB/T9124, HG20625, SH3406, JB/T74;



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