(+91) 9820305403 fgb.vinesh@gmail.com C-1209-B, Ghatkopar Ind. Est. 2nd Flr, LBS Marg, Ghatkopar W
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CM H2O Manufacturers In India

Precision Centimeters of Water Column (cmH2O) Ultra-Low Pressure Gauges for Medical & Flow Systems

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

CM H2O Manufacturers In India

FGB Manufacturing Co. is an esteemed CM H2O Manufacturers In India, producing ultra-sensitive capsule pressure gauges graduated in Centimeters of Water Column (cmH2O). Widely specified in medical respiratory ventilators, CPAP machines, anesthesia units, laboratory glove boxes, and precise micro-draft pneumatic lines, our cmH2O gauges deliver unmatched accuracy in measuring minute positive and suction pressures.
  • Graduated in True Centimeters of Water Column (cmH2O) & mbar
  • Standard Ranges: 0-10, 0-25, 0-60, 0-100, 0-150, 0-250 cmH2O (Also -cmH2O Vacuum)
  • High Sensitivity Beryllium Copper or SS 316 Ultra-Thin Capsule Core
  • Clean Room Assembled & Tested for High Purity Gas & Medical Standards
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Centimeters of Water Column (cmH2O) Pressure Gauge Manufactured by FGB in India

FGB Precision Assembly: CM H2O Manufacturers In India

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
Dial Sizes 50mm (2"), 63mm (2½"), 100mm (4")
Standard cmH2O Ranges 0-20 cmH2O, 0-40 cmH2O, 0-60 cmH2O, 0-100 cmH2O, -60 to 0 cmH2O
Accuracy Class ±1.6% FSD (Standard), ±1.0% FSD (High Precision)
Sensing Core Precision Formed Diaphragm Capsule
Case Material Stainless Steel 304 or Chrome Plated Brass
Connection Sizes 1/8", 1/4" BSP / NPT / Hose Barb Connector (4mm / 6mm ID)
Mounting Style Bottom, Center Back, Panel Clamp Mount
Working Media Air and Non-Corrosive Dry Gases
Design Highlights

Key Engineering & Operational Advantages

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

Medical Equipment Grade

Compliant with medical ventilator, anesthesia delivery, and breathing circuit standards.

Laboratory Draft Accuracy

Ideal for glove boxes, laminar flow hoods, and microbiological isolation isolators.

Micro-Pointer Response

Jeweled bearings in movement gear ensure smooth pointer motion without friction drag.

Precision Calibration

Verified using precision digital micro-manometers and water column manometers.

Field Applications

Recommended Industries & Operating Environments

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

Medical Respiratory Ventilators & CPAP Equipment
Hospital Suction Regulators & Vacuum Theaters
Laboratory Glove Boxes & Clean Enclosures
Low Pressure Leak Detection Fixtures
Aeronautical Airspeed & Altimeter Testing
Burner Air Draft Micro-Measurements
Questions & Answers

Frequently Asked Questions (FAQs)

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

1 cmH2O = 10 mmWC = 0.9806 mbar = 0.0142 PSI. It is the gold standard unit for human respiratory pressure measurement.

Yes, we provide 4mm, 6mm, and 8mm push-on hose barb connectors in brass or stainless steel for quick silicone tube connection.

Yes, we provide oxygen cleaned and certified oil-free cmH2O gauges for medical applications.

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