Hongqi Instrument, established in 1993, is one of the leading manufacturers and suppliers of stainless steel diaphragm flange 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 for Pressure Gauge

Medium compatibility: Select flange and diaphragm material according to medium corrosion. Use the same material to avoid galvanic corrosion.

Pressure & vacuum: Confirm measuring range with safety margin. Adopt vacuum-suitable structure for negative pressure application.

Temperature: Medium temperature affects corrosion resistance and pressure rating. Derate working pressure at high temperature.

Seal face type: RF for low pressure & ambient temperature; TG for toxic or flammable media; RTJ for high pressure & high temperature.

Flange specification: Check nominal diameter and standard (GB/ANSI) to match pipeline and pressure gauge connection.

Medium property: Choose large bore structure for viscous, crystallizable or particle-containing media.

Vibration condition: Adopt shock absorption solution under heavy vibration to protect diaphragm.

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