The Encore 700 mechanical diaphragm metering pump from UGSI Chemical Feed is available with six diaphragm sizes in simplex, duplex and double-simplex configurations. It combines hydraulic diaphragm drives with mechanical diaphragm liquid ends. Capacities to 634 gph are available with backpressures up to 175 psi. It has a nonloss-motion (amplitude modulation) stroke adjust mechanism with a choice of direct or pulley-coupled drives. Clear PVC cartridge valves allow service with no piping disturbances and provide built-in visual indication of operation. 855/669-3845; www.ugsichemicalfeed.com.