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Freon Guage Manufacturers in India
- Multi-Refrigerant Colored Saturation Scales for R134a, R22, R404A, R410A, R32
- Compound Suction Ranges (-1 to +10 Bar / -30 inHg to 150 PSI) & Discharge Ranges (up to 35 Bar / 500 PSI)
- Brass or Stainless Steel Wetted Core Resistant to Synthetic Ester & POE Oils
- Pulsation Dampened Bourdon Tube for Reciprocating & Scroll Compressors
FGB Precision Assembly: Freon Guage Manufacturers in India
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 | 63mm (2½"), 80mm (3"), 100mm (4") |
| Refrigerant Scales | R-134a, R-22, R-404A, R-410A, R-407C, R-32, R-12 |
| Pressure Scales | Compound (-1 to +10 Bar / -30 inHg to +150 PSI) & High Pressure (0 to 35 Bar / 0 to 500 PSI) |
| Accuracy Class | Class 1.6 (±1.6% FSD) on 63/80mm; Class 1.0 (±1.0% FSD) on 100mm |
| Wetted Parts | Copper Alloy (Brass/Phosphor Bronze) or All-SS 316 |
| Case Construction | High-Impact Steel Case / SS 304 with Rubber Armor Boot Option |
| Process Connection | 1/8", 1/4" NPT / SAE Flare Brass Thread Bottom Mount |
| Zero Adjustment | External Zero Adjustment Screw on Bezel Face |
Key Engineering & Operational Advantages
Built for continuous 24/7 industrial performance, long service life, and unmatched measurement stability.
Direct Saturation Temperature
Allows service technicians to measure exact suction superheat and discharge subcooling instantly.
Color-Coded Multi-Arc Dials
Separate color-matched arcs for each refrigerant gas prevent reading confusion during servicing.
Refrigeration Oil Compatible
Internals tolerate mineral oils, polyolester (POE) oils, and alkylbenzene lubricants without degradation.
Rugged Service Manifold Ready
Compact 63mm/80mm models mount directly onto brass dual-valve charging manifolds.
Recommended Industries & Operating Environments
Trusted by plant engineers, system integrators, and OEM equipment builders across diverse sectors.
Frequently Asked Questions (FAQs)
Find answers to common technical queries regarding specifications, selection, calibration, and delivery.
In standard HVAC service, the blue gauge is the low-pressure compound gauge used on the suction/evaporator side (-1 to 10 bar), while the red gauge is the high-pressure gauge used on the discharge/condenser side (0 to 35 bar).
Yes, because R-410A and R-32 operate at significantly higher pressures than older R-22 systems, our R-410A models are rated up to 55 bar (800 PSI) with appropriate burst safety margins.
We supply both dry gauges with internal friction dampening (ideal for handheld manifolds) and liquid glycerin filled gauges (ideal for permanent compressor vibration mounting).
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