What shape of spray does the cosmetic spray pump
1. Fan-shaped, circular, and spray-shaped, generally these three.
2. The spray pump head is mainly composed of crankcase, steel sleeve components, pump head components and so on. A safety valve is installed on one side of the liquid discharge chamber of the pump head, and an overflow valve is installed on the other side. A vent hole is arranged above the liquid inlet cavity cover to exhaust the air in the cavity; an antifreeze liquid drain hole is arranged under the liquid inlet cavity cover to exhaust the liquid in the liquid inlet cavity. The pump head assembly is the hydraulic end of the pump. The lower part of the pump head is equipped with three sets of suction valves, and the upper part is equipped with three sets of discharge valves. The glands at the ends of the three high-pressure chambers are provided with air vents, which are provided for exhausting the air in each chamber when the pump is turned on or during work. High-pressure steel sleeve assembly, the plunger is sealed with three rectangular sealing rings.
3. The safety valve is the function of safely releasing the liquid when the pump exceeds the set pressure. Its opening pressure is:
Pump setting pressure Mpa
Valve opening pressure Mpa