coal seam water injection pump

(chinacoal07)water injection pumpmining water injection pump ,water flood pumpcoal seam water injection pumpwater injection pumpcoal seam water injection pumpThe pneumatic note water pump is a new generation of water flooding equipment,which is no need for power supply.the pump water injection can avoid blasting construction,release gas concentration and discharge overrun coal seam. It also can make the coal wetting, avoid dust flying, and improve the construction efficiency