... , the pressure of charging is 3~5Mpa,there is no air pressure when pump leave the factory for the Manufacturer has ... ) (kg)45,650(20,707)size4876mm×2413mm×2095mm Advantage1. Use first-class steel manufacturing, can ensure the steady running.2. Lower work ... the high quality, be honest and Fine workmanship always to customers and do long term business. F1300 Mud Pump, First-Class Quantity,Buyer ...