General hydraulic wrench professional pump safety valve leakage may be caused by the sealing surface damage, improper installation, caused by high temperature, open the pressure is too close to the equipment working pressure or sealing surface entrainment of dirt and other reasons.

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And the hydraulic wrench leakage valve can refer to the following methods to solve:

1, according to the degree of damage by grinding or grinding after grinding method to be repaired, after repair should ensure that the sealing surface flatness, the finish should not be less than 10.

2, re-assembly and remove the additional pipe load.

3, should be used improperly, should be based on the use of temperature, re-use for high temperature medium safety valve, such as radiator with a safety valve or other special structural safety valve. Appropriate insulation measures should be taken for leaks caused by high temperature environments.

4, according to the scope of spring working pressure to re-fixed pressure, if the working pressure has been exceeded, you should replace the working pressure level consistent with the spring.

5, you can use the lifting wrench or other methods to open the valve several times to blow off the dirt, if you can not blow the valve will be removed to clear.