The 2000M Series is a bi-rotational Pump/Motor. Operating as pumps, the smaller units can be applied at speeds up to 2400 rpm and pressure up to 1500 psi. Operating as motors, the same pressure can be used, but the speed ratings are further increased. The most important feature is its mechanical face seal. This allows for back pressure up to 1500 psi with no case drain. The cipr is 2.08 – 5.20.