Hongqi Instrument, established in 1993, is one of the leading manufacturers and suppliers of stainless steel diaphragm flange assembly for pressure gauge in China. Providing you with low price and good service, we welcome you to wholesale the famous brands' gauge made in China at cheap price from our factory.

Stainless Steel Diaphragm Flange Assembly for Pressure Gauge

Seal Structures of Stainless Steel Diaphragm Body Flange

Flat Face (FF) Flat flange surface sealed with rubber or PTFE gaskets. Simple structure for low pressure & ambient temperature service.

Raised Face (RF, Most Popular) With a raised sealing ridge on flange face. Gasket is compressed on the ridge for concentrated clamping force and reliable sealing, widely used for medium & low pressure.

Male and Female Face (MFM) Matched convex and concave faces to hold gasket in place. Prevent gasket extrusion under pressure fluctuation and minor shock.

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