3/8 Inch Positive Displacement Double Diaphragm Pump. The Husky 307 has a 3/8 inch (9.52 mm) connection and is available in polypropylene and groundable acetal. The Husky 307 air-operated diaphragm pump features a stall-free low pulsation air valve that provides a smooth and rapid changeover. 3/8 inch (9.52 mm) end porting. Easy-to-service air valve and ball checks. Quick and easy assembly and disassembly design. Easy to service air valve and ball checks. Operates on as little as 20 psi (1.4 bar, 0.14 MPa). Split manifold option to pump multiple fluids without mixing. Aximum Fluid Flow: 6.5 gpm (26.5 l/min). Maximum Fluid Discharge Pressure. 100 psi (7 bars, 0.7 MPa). Maximum Size Pumpable Solids. 1/16 inch (1.5mm). Fluid Displacement Per Cycle. 0.02g (0.076 litres). FLOW RATE (L/MIN) 26.50. FLUID TO AIR RATION 1:1. PUMP INLET/ OUTLET SIZE. PUMP SPEED 330 cpm. Polypropylene Standard Air Valve (NPT). PORTING Acetal Standard Porting (BSP). The item “Graco Husky 307 3/8 Air-Operated Double Diaphragm Pump D3A211″ is in sale since Monday, September 16, 2019. This item is in the category “Business, Office & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps”. The seller is “pumps_direct” and is located in Maidstone. This item can be shipped to United Kingdom.