shock-resistant pressure gauge
Jul 09, 2024| 1. What is a shock-resistant pressure gauge?
Seismic-resistant pressure gauge, also called seismic-resistant pressure gauge, is a pressure gauge with good shock-resistant performance. It is suitable for measuring under the condition of strong mechanical vibration and severe pulsation of medium pressure. It has no explosion hazard, no crystallization, no solidification, and is suitable for measuring copper. and copper alloys without corrosive liquid, gas or vapor pressure.
The shock-resistant pressure gauge consists of four parts: the pressure guide system (joints, spring tubes, flow-limiting screws, etc.), gear transmission mechanism, indicating device (pointer and dial), and outer shell (watch case, watch cover, watch glass, etc.). The outer shell It is an airtight structure filled with damping fluid, which can resist vibration in the working environment and reduce the pulsation effect of medium pressure.
2. The difference between seismic pressure gauge and ordinary pressure gauge
A seismic-resistant pressure gauge is a pressure gauge that is based on an ordinary pressure gauge. It is filled with damping fluid and equipped with a buffer mechanism. The main difference between it and ordinary pressure gauges is the structure. In comparison, a seismic-resistant pressure gauge The advantages are:
It is suitable for places with severe environmental vibrations. It can withstand medium pulsation, impact and sudden unloading, and the instrument indication remains stable and clear. Therefore, it is widely used in machinery, petroleum, chemical industry, metallurgy, mining, electric power and other departments.
3. What is the liquid in the shock-resistant pressure gauge?
The characteristic of the shock-resistant pressure gauge is that the outer shell is filled with some liquid. Many friends do not know what the composition of this liquid is. In fact, it is a damping fluid.
The liquid inside the shock-resistant pressure gauge is generally silicone oil. In a few special cases, it is filled with glycerol (because glycerin will crystallize at low temperatures, so it is less used). The function of these damping fluids is mainly to act as a buffer, relying on the viscous resistance of the liquid medium. It attenuates the kinetic energy of the moving machinery, thereby shortening the mechanical swing or movement time, and reducing the buffering of the pointer to the zero position when the relative pressure changes are large. This can effectively ensure the sensitivity of the earthquake-resistant pressure gauge and improve the earthquake resistance and anti-seismic performance.