Hubei brand piston metering pump piston metering pump manufacturer Defeng 
 SJ-of YM-type metering pump is a stroke adjustable oil diaphragm pumps, the pumps are widely used in food, beverage, chemical and other industries, and experience as completely meet the health standards. 
 The pump and the fluid contacting parts of stainless steel, one-way cutting ring selection of fine polyurethane rubber, silicone rubber diaphragm, which can add a range of PH value 3-11 a variety of media. Media containing solid particles, the particle diameter should be no greater than 50 microns, not more than 25%. 
 The pump is compact, well-made parts, smooth, widely welcomed by users. Its structure is divided into four main parts, including gear box, gear box, balance room, the pump body. Helical gear secondary gear box, gear box by the composition of the eccentric shaft, regulatory agencies. The gear box is closed, filled with lubricating oil, so that the parts are in good lubricating conditions, easy to wear. The pump section includes parts of the piston, diaphragm, check valve, piston, transmission box connected to each other reciprocating motion, balance room flows of mediation and overvoltage protection. Two-way valve to complete inhalation and output of liquid, add the measurement to the agent material.