Stainless steel pressure gauge FAQ

The stainless steel pressure gauge is composed of several main components of the joint, the spring tube and the movement. The welding of pressure gauges mainly includes lead-zinc welding, silver welding, argon-arc welding, special welding, etc. The clarinet of the instrument normally works 100,000 times. Its working principle is that through the deformation of the spring tube, the movement (segment teeth and center gear work) drives the pointer to display the measured medium pressure on the scale of the surface plate.

Three common problems in the use of stainless steel pressure gauges:

1, the pressure gauge fan gear will wear out for a period of time;

2. The pressure gauge pressure measuring system is subject to the instantaneous overpressure impact of the measured medium, so that the pointer does not return to zero or rushed under the limit pin;

3, the instrument pointer does not return to zero after the system pressure relief.

Three ways to solve common problems with pressure gauges:

1. Increase the contact surface width of the sector gear and increase the contact surface (ie increase the module of the gear) so as to achieve the purpose of anti-wear and increase the service life;

2. The limit block is installed on the movement of the meter. When the pressure measurement system is subjected to an instantaneous impact, the spur gear and the sector gear of the movement are not easily tripped, and the pointer is not returned to zero or the pointer after the impact pressure of the pressure gauge is solved. The problem that was rushed behind the limit pin;

3, the impact pressure measurement system closes the valve below the pressure gauge.

Stainless steel pressure gauge

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