Rugged low cost pumps with all parts renewable by replacement. Radial piston arrangement, with 3, 5 or 7 pumping elements oil immersed type, open execution, face mounting, valve controlled, fixed delivery, bi-directional rotation of shaft. also available with extension shaft bracket for through drive. for coupling the pumps to the electric motors standard bell housing assemblies are available. these are also available with extension shaft to couple low pressure pumps.