The worm gear structure is used to reduce speed, ensuring continuous and stable operation of the mechanical drive parts.The use of oil bath lubrication makes for a long working life of the drive components.The worm gear and offset are integrated to ensure precise stroke distances and also facilitate disassembly for maintenance.Robust and compact design is better sealing than plunger pumps.The built-in limit fill valve is to ensure balanced replenishment of the hydraulic oil.The built-in adjustable safety valve protects the liquid end components from diaphragm rupture and other component damage caused by excessive pressure in the hydraulic chamber.When conveying corrosive slurries and flammable and explosive hazardous chemicals, a double diaphragm rupture alarm device is available.