(+91) 9820305403 fgb.vinesh@gmail.com C-1209-B, Ghatkopar Ind. Est. 2nd Flr, LBS Marg, Ghatkopar W
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ISO 9001:2015 • IS3624 Certified

Diaphragm Sealed Pressure Gauge Manufacturers in Maharashtra

Custom Engineered Chemical Seal Pressure Gauges Manufactured in Mumbai for Maharashtra’s Process Industries

ISO 9001:2015 Certified Manufacturing
IS3624 & EN 837-1 Standards
NABL Traceable Test Calibration
Direct Factory Dispatch Across India
Precision Instrumentation

Diaphragm Sealed Pressure Gauge Manufacturers in Maharashtra

FGB Manufacturing Co. stands out among the foremost Diaphragm Sealed Pressure Gauge Manufacturers in Maharashtra, providing custom chemical seal isolation systems from our state-of-the-art facility in Mumbai. Specially designed for Maharashtra’s chemical, petrochemical, pharmaceutical, and fertilizer plants, our diaphragm seal assemblies isolate process pressure gauges from toxic acids, corrosive solvents, viscous slurries, and crystallizing media.
  • In-House Diaphragm Welding, Vacuum Filling & Helium Leak Testing in Mumbai
  • Exotic Metallurgies: SS 316L, Hastelloy C-276, Monel, Tantalum, Titanium & PTFE
  • Threaded, "I"-Section & ANSI B16.5 150#/300# Flanged Process Connections
  • Fast Servicing, Refilling & Recalibration Support Across Maharashtra
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Diaphragm Sealed Pressure Gauge Manufactured in Maharashtra by FGB

FGB Precision Assembly: Diaphragm Sealed Pressure Gauge Manufacturers in Maharashtra

Technical Parameters

Standard Technical Specifications

Engineered to satisfy demanding industrial criteria. Review our standard parameter ranges or request custom connection threads, dial branding, and special wetted alloys.

Specification Parameter Standard Technical Values / Manufacturing Options
Plant Location FGB Manufacturing Co., Ghatkopar Industrial Estate, Mumbai, Maharashtra
Dial Sizes 100mm (4"), 150mm (6")
Pressure Ranges -1 to 0 Bar (Vacuum) up to 0 to 400 Bar (6000 PSI)
Diaphragm Foils SS 316L, Hastelloy C-276, Tantalum, Monel 400, PTFE Lined
Flange Standards ANSI B16.5 1/2" to 3" (Class 150, 300, 600), DIN / BS Tables
Fill Fluids DC-200 High Temp Silicone, Fluorolube, Food Grade White Oil
Accuracy Class Class 1.0 (±1.0% FSD) conforming to IS3624 / EN 837-1
Supply Regions Taloja, Roha, Tarapur, Mahad, Rasayani, Pimpri-Chinchwad, Kurkumbh
Design Highlights

Key Engineering & Operational Advantages

Built for continuous 24/7 industrial performance, long service life, and unmatched measurement stability.

Severe Chemical Protection

Protects sensitive bourdon elements from hostile chemical corrosion and polymer crystallization.

Exotic Alloy Availability

Hastelloy and PTFE diaphragms in-stock in Mumbai for rapid turnaround on emergency orders.

Local Factory Refilling & Repair

Mumbai plant provides quick diaphragm seal re-welding, oil refilling, and calibration.

NABL Calibration Traceability

Delivered with comprehensive hydrostatic test reports and material test certificates.

Field Applications

Recommended Industries & Operating Environments

Trusted by plant engineers, system integrators, and OEM equipment builders across diverse sectors.

Chemical & Agrochemical Complexes (MIDC Taloja, Roha, Mahad, Vapi)
Petrochemical Refineries & Bulk Storage Terminals (Trombay, Jawaharlal Nehru Port)
Bulk Drug & Active Pharmaceutical Ingredient (API) Plants (Tarapur, Kurkumbh)
Fertilizer & Chlorine Alkali Manufacturing Facilities (Rasayani, Thal)
Pulp, Paper & Packaging Board Mills (Nagpur, Pune, Roha)
Paint, Ink & Polymer Resin Manufacturing (Thane, Navi Mumbai, Pune)
Questions & Answers

Frequently Asked Questions (FAQs)

Find answers to common technical queries regarding specifications, selection, calibration, and delivery.

Yes! Unlike imported brands that require weeks to replace, FGB provides rapid diaphragm replacement, vacuum oil refilling, and recalibration directly at our Mumbai factory.

We manufacture ANSI B16.5 flanges from 1/2" NB to 3" NB (Class 150 to 600) as well as DIN and BS standard flanges.

Every welded diaphragm assembly undergoes high-vacuum helium mass spectrometer leak testing before fluid filling to guarantee absolute seal integrity.

Direct Factory Quote

Get Instant Pricing for Diaphragm Sealed Pressure Gauge Manufacturers in Maharashtra

Fill in your required quantity and dial specifications. Our technical engineering team will respond within 2 hours with wholesale factory pricing.

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