(+91) 9820305403 fgb.vinesh@gmail.com C-1209-B, Ghatkopar Ind. Est. 2nd Flr, LBS Marg, Ghatkopar W
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Diaphragm Sealed Pressure Gauges

Corrosive & Viscous Media Protection

Chemical & Sanitary Diaphragm Sealed Pressure Gauges

FGB Manufacturing Co. engineers advanced diaphragm seals to isolate the pressure measuring bourdon tube from toxic, highly corrosive, slurry, viscous, crystallizing, or high-temperature media.

  • Diaphragm: SS 316L, Hastelloy, Monel
  • PTFE / Teflon Coating Available
  • Threaded, Flanged & Tri-Clover
  • Conforms to IS3624 Standards
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FGB Diaphragm Sealed Gauge Assembly
Direct Threaded Diaphragm Gauge

Threaded Chemical Seal Gauge

Direct screw-in diaphragm seal with 1/2" BSP/NPT connection for chemical dosing, paints, and aggressive petrochemical lines.

Tri-Clover Sanitary Diaphragm Gauge

Tri-Clover Sanitary Gauge

Crevice-free quick clamp hygienic diaphragm gauge designed for food, dairy, biotechnology, and pharmaceutical syrups.

Flanged Diaphragm Seal Gauge

Flanged Diaphragm Seal Gauge

ANSI/ASME B16.5 flanged chemical seal designed for high pressure pipelines, refineries, and heavy crystallization processes.