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Denvar make Diaphragm Sealed Pressure Gauges

Diaphragm Sealed Type Pressure Gauges are used to measure process pressures involving Corrosive sluries or Viscous Fluids to protect the instruments from Clog, Damage or Corrosion to the pressure element.

(Gauge Specifications and Ranges same as Weatherproof Industrial and All S.S. Waterproof Gauges)

Accuracy	±1% or 1.5% F.S.D.
Connections	1/4" , 3/8”, 1/2”BSP / NPT (M) , M 20 X 1.5 threaded & flanged as per A.S.A., B.S. & DIN standards
Diaphragm Units	* Sandwich type bolted diaphragm sealed unit, * Argon arc welded diaphragm sealed unit , * Distance capillary type diaphragm sealed unit.
Diaphragm Materials	S.S. 316L, S.S. 316, Monel, Hastalloy, Tantalum (PTFE / PVDF Lining / Coating can be provided).
Top and Bottom Chambers	S.S. 304, S.S. 316, Monel, M.S. (PTFE / PVDF coating, lining can also be provided).
Filling liquid	Silicon 350 or Hythem 600.
Optional Fitments	Various grade of filling liquid to suit the process requirements. Toughened / Acrylic window glass, Electrical Magnetic snap action contacts, Glycerin Filling, Max. reading pointer, shphone , Gauge cock etc.