... may not import more than 5 meters of water.At present, our factory producing rubber Mud pulp(2 PNJ, 2PNJFA), 4 PNJ ... to improve the structure of the pump, parts and components are: pump, pump cover, pump seat, frame, the original structure of the pump is not common in ... must not more than 0.1 mm, the coupling of the two end-gap Tolerance is not more than 3 mm. Indirect ...