... 3. hydraulic clutch driving 4. motor driving Mud pump package features1.Rl series mud pump package is equipped with power device (to ... and F-1600 mud pumps are fitted with API#7 valve pots. The suction valve and the discharge valve are interchangeable. 6 ... cylinders of each pump are interchangeable. 7.Cylinders, liners, pistons, valve and seats, valve springs, seal rings, valve covers and cylinder ...