Comet Diaphragm Pumps — MC25, MP30, P36 & P40Comet diaphragm pumps feature proprietary Duraphragm technology that extends diaphragm life by shielding them from direct contact with chemical inlets. Compatible with aggressive soft wash chemicals, these pumps feature hexagonal manifolds for smooth, quiet operation and fit standard engines with a 3/4" keyed shaft.MC25 (SKU 3975.01) Flow Rate: 4.9 GPM Max Pressure: 362 PSI HP Required: 1.5 HP Suction: 35mm Outlet: 1" Max Temp: 140°F MP30 (SKU 7025.01) Flow Rate: 7.7 GPM Max Pressure: 435 PSI HP Required: 2.3 HP Suction: 35mm Outlet: 1" Max Temp: 140°F Gearbox available separately P36/10-GR (SKU 7022) Flow Rate: 9.3 GPM Max Pressure: 145 PSI HP Required: 0.9 HP Suction: 35mm Outlet: 1" Max Temp: 140°F P40 (SKU 7348.01) High-output diaphragm pump for soft washing Compatible with aggressive soft wash chemicals Duraphragm technology for extended diaphragm life