The HDP-196 sewer pump from Hammelmann Corp. is suited for dirty water applications. With flow up to 160 gpm and pressures of 3,200 psi, it has a compact design and integral reduction gear. Horizontal or vertical models are available, with reversible pump heads, central or side suction connection, discharge connections on both sides, left- or right-hand drive shaft, and operation from any angle. It has high-grade solid ceramic plungers, wear-resistant valve seats, low-flow velocity over suction and discharge valves, packing seal sets within rust-resistant stainless steel sleeves, slow plunger speeds, an industrial drive end designed for continuous duty, a pressurized oil lubrication system, and clockwise or counterclockwise rotation. It is easy to service and environmentally friendly, and has a quiet drive end due to twin helical gears. 800/783-4935; www.hammelmann.com.