M-Pump AODD pumps, distributed by Zemarc Corporation, are capable of meeting a broad spectrum of process requirements. Pumps are available in a variety of configurations with a wide assortment of diaphragm materials. Applications include water, food and beverage and many other fluid-media transfer applications. Metal-body pumps are constructed of aluminum or stainless steel for 0.5- to 3-inch (12.7- to 76.2-mm) pumps with flowrates up to 251 gpm (950 L/min). Plastic-body options include polypropylene or Kynar for 0.25- to 2-inch pumps (6.35- to 50.8-mm) with flowrates of 172 gpm (650 L/m). Both pumps have operating pressures up to 8 bar (116 psi) and port options of both NPT and BSP.