It is the absolute dry goods! The Use and Adjustment of Pressure Controller in R
Posted by thylertao on April 5th, 2019
Many pressure controllers are used in refrigeration systems, and the pressure is controlled by the on-off of contacts. There are mainly high-pressure pressures controllers, low-pressure pressure controllers, high and low pressure controllers, differential pressure controllers and oil pressure protection pressure controllers. The action principle of the pressure controller is basically the same, which is detected by the pressure detection mechanism and controlled by the actuator. The bellows are compressed to produce expansion deformation, which drives the swing rod to move. Then the swing rod moves the contacts to open and break so as to control the pressure. Two parameters, DIFF and RANGE, are often seen in pressure controllers. RANGE is the range of pressure, and DIFF is the pressure difference, which refers to the switching difference. In the other word, it is the dead zone, which is a switching area. Each pressure switch has this parameter, and the switching difference of the controller can be adjusted or not according to different requirements. Adjustable setting point is called adjustable setting point; otherwise it is not adjustable setting point.
About the Authorthylertao
Joined: April 5th, 2019
Articles Posted: 15
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