Air-operated double diaphragm pumps

All air-operated double diaphragm pumps distributed by MARCH and all pumps of the MARCH MASTER AIR series have an uncomplicated, extremely reliable and dead-centre-free air control valve. The casing parts, diaphragms, valve seats and balls are made and fitted from high-quality materials. All double diaphragm pumps of these series are dry self-priming, dry-run safe and can pump fluids loaded with solids without problems. Even viscous or volatile liquids are no problem for these air-operated diaphragm pumps. Thanks to these properties, the air-operated diaphragm pumps distributed by MARCH and the MARCH MASTER AIR series are among the most reliable air-operated double diaphragm pumps on the market.