Wafer Type Butterfly Valve

Wafer Type Butterfly Valve

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Technical features and applications

1. It adopts triple offset wafer type and flange structure, with reliable seal performance. When opening the valve, Disc doesn’t touch the seal seat, so it eliminates the un-balanced load of seal seat, so as to prolong the valve’s working life. The valve is also high temperature resistance, wear resistance, and anti corrosion.

2. The valve is widely applied to the pipeline of petroleum, chemical, water treatment, high building, water supply and drainage, etc.

 

Using standards

Design standard: API609-83

Flange standard: ANSI B16.5

Face to face: ANSI B16.10-1992

Pressure test: API 598

 

Materials of main parts

Body: WCB, SS 304, SS 316, CF8M

Disc: WCB, SS 304, SS 316, CF8M

Stem: SS 316, 2Cr13, 1Cr18Ni0Ti

Seal ring: SS 316, PTFE

Packing: Flexible Graphite, PTFE

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