Direct-acting type pressure regulator for compensating for spring effect
A technology of compensating springs and pressure regulators, which is applied in the direction of valve operation/release devices, function valve types, and lift valves. The effect of voltage regulation accuracy and high voltage regulation accuracy
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[0016] Such as figure 1 As shown, the pressure regulator structure in the prior art includes: a main valve body 1 and a drive assembly 2. The main valve body 1 is installed at the lower end of the drive assembly 2. The main valve body 1 is equipped with a valve seat 11, a valve disc 12, and a valve stem. 13. The valve stem sleeve 14 and the balance diaphragm 15, the valve stem sleeve 14 is fixed on the upper end of the main valve body 1, the valve stem 13 is arranged in the valve stem sleeve 14, the valve disc 12 is fixed on the lower end of the valve stem 13, the valve disc 12 is located in the valve On the lower side of the seat 11, the balance diaphragm 15 is installed on the upper side of the valve stem sleeve 14. The balance diaphragm 15 is set to improve the unbalanced force of the valve core, so that the outlet pressure can not be affected by the change of the inlet pressure to a certain extent. Improve the voltage regulation accuracy. The drive assembly 2 includes an up...
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