dosing metering pump: 1,Nature rubber outer layer 2,Nylon reinforcement layer 3,Inner liner chemically resistance LH15 dosing metering pump 1. LH15 dosing metering pump ApplicationLH15 dosing pump unit is a kind of peristaltic pump, which is used for dosing liquid additive for concrete shotcrete or refractory shotcrete applications.with 1% repeat precision and 5 meter suck lift 2 meter.2. LH15 ...