Radial piston Pumps – 1RPC / 1RPCE Radial piston arrangement with 3, 5 & 7 pumping elements, external mounting type, face mounting, valve controlled, fixed delivery, bi-directional rotation of the shaft.Available with extension shaft for through drive, with extension bracket assembly for coupling low pressure pump having standard flange. prism hydraulics radial piston pump price polyhydron plunger pump catalogue