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Swing Check Valve
Swing Check Valve
Forbes Marshall Pvt Ltd offers Swing Check Valve. A basic swing check valve consists of a valve body, a bonnet, and a disk that is connected to a hinge. The disk swings away from the valve-seat to allow flow in the forward direction, and returns to valve-seat when upstream flow is stopped, to prevent backflow. The disc in a swing type check valve is unguided as it fully opens or closes. There are many disk and seat designs available, in order to meet the requirements of different applications. The valve allows full, unobstructed flow and automatically closes as pressure decreases. These valves are fully closed when flow reaches zero, in order to prevent backflow. Turbulence and pressure drop in the swing check valve are very low.
- Flanged end or buttwelding end
- Tilting disc design available
- Renewable, seal welded seat ring or integral seal (cast S.S. only) available
- Optional counter weight, lever and dashpot arrangement available
- Meet design requirement of ASME B16.34 / BS 1868 / API 6D / IBR and testing requirement of API 6D / BS EN 12266-1 / API 598
- Flanged end dimensions conform to ASME B16.5 / API 605 / BS 3293
- Ring joint facings available in higher classes
- Buttweld end dimensions conform to ASME B16.25
- Face to Face dimensions conform to ASME B16.10 / BS2080
- Meets requirement of NACE MR-01-75
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