The pump's 11 types of control allow field interchangeability without disconnecting from the drive or system piping. Features of the PVWH include rugged cylinder design; valve plate ported rear or top and bottom; quiet valve plate — all sizes are below 80 dBa at all pressures; SAE heavy-duty shaft, high-strength through-shaft availability; and maximum displacements ranging from 0.66 to 7.94 in.3/rev. The Oilgear Co., 2300 S. 51st St., Box 343924, Milwaukee, WI 53234, (414) 327-1700, oilgear.com