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Api 598 Stainless Steel Wafer Type Single Plate Swing Check Valve

Check valve is to rely on the media itself and automatically open the valve, closed valve, used to prevent the media back to the valve, also known as check valve, counter valve and back pressure valve. Metal seal or rubber seal. DN50-DN1500, class150-2500 With the improvement of technologies of...
Product Details

Api 598 Stainless Steel Wafer Type Single Plate Swing Check Valve

the disc of the swing check valve is disc shaped and rotates around the rotating shaft of the seat passage. because the inner channel is streamlined and the flow resistance is smaller than that of the lifting check valve, it is suitable for large caliber situations with low velocity and irregular flow, but not suitable for pulsating flow, and its sealing performance is not as good as that of lifting type. The rotary check valve is divided into three types: single valve type, double valve type and multi half type. These three forms are mainly divided according to the valve caliber, in order to prevent the medium from stopping flow or backflow, and to reduce the hydraulic impact.



Metal seal or rubber seal.
DN50-DN1500, class150-2500

Product features
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.

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


M30C, M35-1, CZ100, etc


CY40 inconel 600, etc


CW2m Hastelly C4, N12MV Hastelloy B, etc


CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc


Our Service

1.quick delivery, high quality and reasonable price.

2. We can make products according to the needs of customers.

3. Welcome to inquiry and purchase later in the day for us.

4. Strict quality control system .welcome third party for quality checking

5.We are a factory who focus on produce valves. Adhere  to 
quality is our belief.

 6.All valves according the drawing to produce and 100% pressure 
testing, 100%material inspection.

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