Diaphragm Seal

A diaphragm seal is a flexible membrane (diaphragm) seals and isolates the measuring instrument from the process medium. The instrument side of the diaphragm is filled with appropriate fluid.

The pressure exerted by the process fluid on the Diaphragm is hydraulically transmitted through the seal fluid to the pressure sensing element. Diaphragm seal protects the pressure sensor from the harmful and hazardous effect the process fluid.

Application:

    • Corrosive process fluid
    • Highly viscous process fluid
    • Process fluid having sediments or solid particles
    • Process fluid having tendency to solidify, freeze or crystallize at lower
    • Temperatures which may block the sensing element.
    • Hazardous process fluid

Types:

    • Sandwich type (Threaded/ Flanged)
    • Threaded Flush (Small / Mini)
    • Flush type (Flanged)
    • Pan cake type (Flanged)
    • Extended type (Flanged)
    • In line flow through type
    • In line flow through jacketed type
    • In line flow through type with Cylindrical Diaphragm

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