... mine and other fields, metal, oil, etc. Coal Mine water-injection pump:compact structure, stable driving, lower friction ... metallurgy, shipping rust elimination, basic engineering,pressure test.The medium is water,emulsion. RPM min-11480Plunger ... .12151822283643351215182230361257.51358.1111417212833409111417242817010.217010.29111417242845791113182221512.9weight single pump: 420 Kg base:140 Kg Max Flow ...