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Seismic / Vibration-Resistant Pressure Gauge
-- Steady & Reliable Manufacturer --
Product Overview
Our Seismic / Vibration-Resistant Pressure Gauges (liquid-filled type) are purpose-engineered for industrial environments where continuous mechanical shock, severe vibration, and pressure pulsations would render a dry gauge inoperable within days. By filling the stainless steel or steel case with glycerin or silicone oil, pointer oscillation is eliminated and the internal Bourdon tube mechanism is continuously lubricated and protected. These gauges are the standard selection for pump discharge lines, compressor stations, pipelines, and any rotating machinery installation worldwide.
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Technical Specification Sheet
| Parameter | Detail |
|---|---|
| Pressure Range | 0–1 bar up to 0–1000 bar (vacuum & compound available) |
| Accuracy Class | ±1.6% or ±2.5% of full scale (EN 837-1) |
| Nominal Size | DN 63 mm (2.5"), 100 mm (4"), 160 mm (6") |
| Case Material | Stainless Steel 304 or Black Steel (Crimped / Bayonet) |
| Wetted Parts Material | Copper Alloy (standard) or Stainless Steel 316L |
| Fill Medium | Glycerin (standard) or Silicone Oil (for extreme temperatures) |
| Process Connection | G1/4, G1/2, NPT1/4, NPT1/2 (Bottom or Back) |
| Protection Rating | IP65 |
Key Features
- Glycerin or Silicone oil filling dampens pointer oscillation caused by vibration and pressure spikes.
- Continuous lubrication of internal mechanism significantly extends service life in high-cycle applications.
- Available in full stainless steel wetted parts for corrosive or food-grade environments.
Typical Use Cases
- Pump Stations: Monitoring discharge pressure on centrifugal and reciprocating pumps.
- Compressor Systems: Inlet/outlet pressure indication on air and gas compressors.
- Hydraulic Power Units: Main circuit pressure monitoring under constant vibration.
- Pipeline Networks: Field-mounted measurement on oil, gas, and water transmission lines.
- Marine & Offshore: Engine room and deck equipment subject to vessel vibration.
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Seismic / Vibration-Resistant Pressure Gauge Manufacturers
Wuxi Huihua Special Instrumentation Co., Ltd. was established in December 2001, the registered capital is 5 million yuan, the existing staff of more than 50 small and medium-sized joint-stock enterprises.
The company specialises in the production of various types of special instruments, alternative to the localisation of imported instruments.To seismic pressure gauge, seismic electric contact pressure gauge, stainless steel pressure gauge, diaphragm corrosion-resistant pressure gauge, marine pressure gauge and other series as the main products. On the basis of field instruments, we have developed various kinds of pressure transmitters, pressure controllers, digital pressure gauges and so on. There are more than 30 series and 3000 specifications. Products are widely used in petroleum, chemical, paper, metallurgy, mining, chemical fibre, electric power, food, environmental protection, rubber and plastic, hydraulics and many other industries, and more than 2,000 domestic customers to establish a friendly relationship with the national large and medium-sized enterprises to establish a good partnership, won the majority of users praise, and set up a corporate brand image.
