Swing Check Valve

Design & Specification :

Design and Manufacture : ANSI B16.34, API 6D(full bore), BS1868(reduced bore)
Face to face(end to end) : ANSI B16.10, API 6D
Flanged connection : 2"~24" to ANSI B16.5, 22",26"~36" to MSS-SP-44 to API 605 on Request
Butt welded end : ANSI B16.25
Test and inspection: : API 598, API 6D


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Product Description

The disc in a swing type valve is unguided as it fully opens or closes. This Valve operates when there is flow in the line and get fully closed when there is no flow. Turbulence and pressure drop in the valve is very low. Disk and seat designs can be of metal to metal or metal to composite.

The angle between the seat and the vertical plane is known as seating angle and vary from 0 to 45 degrees.  Usually, the seat angles are in the range of 5 to 7 degrees. Larger seat angles reduce the disc travel, resulting in quick closing, thus minimizing the possibility of water hammer. A vertical seat has a 0-degree angle.

Swing check valve allows full, unobstructed flow and automatically closes as pressure decreases. Usually installed in combination with gate valves because they provide relatively free flow combination.

A basic swing check valve consists of a valve body, a bonnet, and a disk that is connected to a hinge.


·JIS B2045 Swing Check Valve

·Cast Steel Single Check Valve

·Cast Iron Dual Plate Check Valve

·Cast Iron Globe Type Check Valve

·Dual-Plate Check Valve

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  1. admin
    5 out of 5


    Great for all purposes