Electric valve maintenance guide 0

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Electric valve maintenance guide

check whether the power wiring is poor → rewire and connect the connector

check whether the power voltage is within the ± working range - → adjust the normal position range

whether the coil is desoldered → rewire

whether the coil is short circuited → replace the coil

whether the working differential pressure is inappropriate → adjust the differential pressure → or replace the appropriate force value. The accuracy can also reach about 0.5%. Electric valve

fluid temperature is too high → replace The main valve core and moving iron core of the matching electric valve are blocked by impurities → cleaning. If the seal is damaged, replace the seal and install the filter

liquid to reduce the weight of parts and products. The viscosity is too high, the frequency is too high and the service life is up → replace the product

II The electric valve cannot be closed

the main valve core or the seal of the iron core has been damaged → replace the seal

the two clamps separate at a constant speed and stretch the sample fluid temperature Whether the viscosity is too high → replace the matched electric valve

there are impurities entering the valve core or moving iron core of the electric valve → clean

the spring has reached the service life or deformed → replace

the orifice balance hole is blocked → clean in time

the working frequency is too high or the service life has reached → change the product or update the product

III. other conditions

internal leakage → check whether the seal is damaged, Whether the spring is poorly assembled

leaking → the connection is loose or the seal is damaged → tighten the screw or replace the seal

there is noise when energizing → the fastener on the head is loose and tightened. The voltage fluctuation is not within the allowable range. Adjust the voltage. Clean or replace the iron core timely in case of impurities or unevenness on the clamping surface

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