BQW mining exlosive-proof sewage

（chinacoal07)mining use explosive-proof submersible sewage pumpsewage pumpmining submersible pumpBQW mining exlosive-proof sewage submersible pumpCharacteristics1. Start great torque, running a good performance, low noise, small volume, light weight, convenient maintenance, excellent isolating esplosion structure performance and higher protection grade2. Adopt o-shape rubber sealing ring as static sealing, compact structure, sealed performance is goodApplication:1. Applied in