1,Coal mine water pump 2,High efficiency impeller ... "4~25005~99Centrifugal sealPacking sealmechanicalwidely use in metallurgical,mining,coal,power,building material-Submerged Slurry pumpLWYZ(R)40~ ... ~30015~230015~134Expeller sea+packing sealPacking sealmechanicalPower metallurgical mining coal and building materialMAX Cw 45%(ash);60%(ore ... and cities feeding waterTem. MAX210°C coal mine water pump