Metering Pump for Perfusion Machine 1,Highly nonreactive, 2,Tiny thermal expansion. 3,Crystal structure displays zero Ceramic pump can be applicable to ... and overlong lifespan (5-8 times longer than chromized steel pump),infinitesimal particle release. Crystal structure displays zero porosity, high ... CIP/SIP (cleaning in process and sterilization in process). Metering Pump for Perfusion Machine