What type of packing and gasket should be used for gate valves with diameters DN50, DN150, and DN200 that are exposed to steam at a temperature of 450°?

2018-08-24View Original

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I hope the experts here can help me figure this out

Reply #22018-08-24

You didn’t mention pressure; if it’s high, use a pressure self-sealing structure. At 450 degrees, flange connections are not advisable, as leaks can easily occur at that temperature

Reply #32018-08-24

With a pressure as high as 900LB, octagonal gaskets are the only ones that can be used for flange connections

Reply #42018-08-26

As far as I know, it’s only graphite

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What type of packing and gasket should be used for gate valves with diameters DN50, DN150, and DN200 that are exposed to steam at a temperature of 450°?

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