Hot Sale Trigger Sprayer Suppliers Explains Reasons Why Pump Pressure Can't Go Up

Hot Sale Trigger Sprayer Suppliers introduces the reasons why the pressure of the emulsification hydraulic pump cannot go up:

If the pressure does not go up, first check whether the unloading valve of the pump box is relieved. If the unloading valve works well, you will hear the sound of high-pressure unloading.

That is, the no-load valve is not tightened or the contact surface of the valve stem inside is worn and aged. If these are ruled out, the mechanical design editing analysis depends on whether the pump body packing is loose, or the plunger is worn and leaking liquid seriously.

Thirdly, check whether the back-check valve of the pump head wears too much clearance or the spring of the back-check valve is fatigued and has no elasticity. If the pump head is tapped, there will be a boost in pressure. Valve and spring.