1. Pressure-retaining valve of mud filter press is stuck or damaged

Solution: pressure valve can not be cleaned and replaced.

2. Oil leakage of pressure holding pipe

Solution: Observe whether the pipe is damaged, replace the pipe or tighten the connecting nut.

3. Damaged check valve

Solution: Replace the check valve.

4. Zhejiang mud filter press oil cylinder seal ring is seriously worn

Solution: Remove the sealing ring, check the damaged parts of the sealing ring and the scratches on the oil cylinder in detail. Protrusions. If the cylinder is slightly worn, use sandpaper or greasy stone to polish and replace the sealing ring.

5. Safety valve stuck or failure

Solution: safety valve can not be cleaned and replaced.

In addition, impurities in the hydraulic oil of the mud filter press manufacturer. Check valve spool wear or plunger pump failure, such as valve signal interference. It will cause the filter press to fail to maintain pressure during operation. The normal service life of the cylinder O-ring is generally 2-3 years. It is recommended to replace the cylinder seal ring first.