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Vacuum Gauge Manufacturer In India
- Full Scale Range: -760 mmHg to 0, -1 to 0 Bar, -30 inHg to 0
- Compound Gauges Available (-1 to +1.5, +3, +5, +9, +15 Bar)
- Constructed with Corrosion Resistant SS 316 or Phosphor Bronze
- Hermetically Sealed IP65 Weatherproof SS 304 Casing
FGB Precision Assembly: Vacuum Gauge Manufacturer 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 | 50mm (2"), 63mm (2½"), 100mm (4"), 150mm (6"), 250mm (10") |
| Range Options | -760 to 0 mmHg, -1 to 0 Bar, -30 to 0 inHg, -100 to 0 kPa |
| Accuracy | Class 1.0 (±1.0%) for 100/150mm; Class 1.6 (±1.6%) for 50/63mm |
| Wetted Parts | SS 316 Bourdon Tube & SS 316 Socket or Brass |
| Connection | 1/8", 1/4", 3/8", 1/2" BSP / NPT / Triclover |
| Mounting | Direct Bottom Mounting, Back Mounting, Panel Mounting with Clamp |
| Zero Adjustment | Micrometer adjustable pointer on standard 100mm/150mm models |
| Leak Testing | Helium mass spectrometer leak tested to 1x10⁻⁶ mbar·l/s |
Key Engineering & Operational Advantages
Built for continuous 24/7 industrial performance, long service life, and unmatched measurement stability.
Sub-Atmospheric Sensitivity
Precision engineered bourdon tube gives fast, reliable deflection under full vacuum.
Zero Leakage Hermetic Seal
Welded joints ensure air cannot infiltrate vacuum lines or corrupt process purity.
Compound Range Capability
Dual vacuum-pressure scales for refrigeration recovery and autoclave sterilization cycles.
ISO 9001 & IS3624
Manufactured and certified under strict national metrology standards.
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 India, vacuum gauges are commonly scaled in mmHg (0 to -760 mmHg), Bar (-1 to 0 bar), kg/cm² (-1 to 0 kg/cm²), or inHg (-30 to 0 inHg). FGB supplies single or dual scale dials as required.
A vacuum gauge measures only negative pressure (from 0 down to full vacuum). A compound gauge measures both vacuum and positive pressure on a single continuous dial (e.g. -1 to +3 bar), ideal for cycle processes like autoclaves.
Yes, glycerin filled vacuum gauges are recommended when the vacuum pump causes mechanical vibration or line pulsations.
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