HDP-146 and HDP-196 sewer cleaning pumps from Hammelmann Corp. offer flows up to 160 gpm and pressures of 3,200 psi. They have a compact design with optimum space utilization and an integral reduction gear. Horizontal or vertical models are available, with reversible pump heads, central- or side-suction connections, discharge connections on both sides, left- or right-hand drive shafts and operation at any angle. Water ends are suitable for recycled water. Pumps have 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, a slow plunger speed, industrial drive ends specifically designed for continuous duty, a pressurized oil lubrication system and clockwise or counterclockwise rotation. 800/783-4935; www.hammelmann.com.