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Y-40 Black Iron Case Dial 40mm Low Bottom Pressure Gauge Manometer Oil
HYNBF Series Gauges are designed for applications with severe vibration and feature excellent anti-vibration performance. Its rugged full sealing design, filled with damping liquids and damping devices, makes it especially suitable for processes involving mechanical vibration and medium pulsation.
The vibration-resistant pressure gauges are capable of measuring the average value of pulsating gas and liquid pressure, overcoming potential damage caused by strong medium pulses and environmental vibration to ensure reading accuracy.
It is an ideal choice for industries such as petroleum, chemical processing, electric power, oil fields, mining, paper mills, and water treatment. The anti-vibration class in the working environment is V.H.4 and V.H.5. The observation lens is made of high-strength engineering plastic or laminated safety glass for clear indication.
The gauge consists of a pressure guiding system (connections, measuring spring), gear drive system, indication device (pointer and dial), and casing. When the spring tube is under pressure from the measured medium, elastic deformation is produced at the pipe end, amplified by the gear mechanism, and indicated by the pointer.
1) Sealing structure protects internal parts from environmental influence.
2) Filled with silicone oil to resist pulsation and abrupt vibrations.




| Parts | Material |
|---|---|
| Measuring Element | 316 Stainless Steel C-Type Bourdon Tube |
| Connection (Wetted Part) | 316 Stainless Steel |
| Case / Cover Ring | 304 Stainless Steel |
| Lens | Instrument Glass |
| Pointer | Black Finished Aluminum |
| Dial | Aluminum (White Background & Black Scale) |
| Fill Liquid | Glycerin, Silicone Oil |
| Feature | Details |
|---|---|
| Ambient Temperature | -25-70 ºC (Glycerin Filled) / -40-70 ºC (No Fill) |
| Temp. Influence | Not More Than 0.4%/10ºC |
| Relative Humidity | < 85%RH |
| Protection Class | IP 66 |
| Anti-Vibration | V·H·5 (Filled) / V·H·4 (Unfilled) |
| Casing Material | SS 304 / Iron Case Options |









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This High-Tech Enterprise is committed to the research, development, and manufacture of flow, level, pressure, and temperature instruments. Our products, including gear flow meters, electromagnetic flow meters, and pressure sensors, are extensively used in chemical, power, metallurgical, and oil industries. We focus on providing products that meet international standards and evolving economic needs through strong technical force and well-equipped testing facilities.
Seeker Medical