... stroke 2 Mechanical Diaphragm Dosing Pump It is a diaphagm,economic,robust,compact metering pump.Model:MS0/MS1 Seriesmaterial quality: ... and simple-design of the diaphragm ,this kind of pump is easy-handling.High working safety.No external moving parts ... .Leak-free operations.For more Mechanical Diaphragm Dosing Pump details,please contact us directly.Specification : model diameter stroke/ ...