1/2 Inch Positive Displacement Double Diaphragm Pump. The Husky 515 has a 1/2 inch (12.7 mm) connection and is available in polypropylene, acetal and PVDF. The Husky 515 air-operated double diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover. The bolt through fluid cover design eliminates leaks and makes the Husky safer with higher reliability. Easy-to-service air valve and ball checks. Reliable air valve for years of dependable performance. Center and end porting options. No mechanical seals to cause fluid leaks or failures. Runs quietly at less than 85 dBa with easy-to-use remote muffler capability for even lower noise levels. 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: 15 gpm (57 l/min). Maximum Fluid Discharge Pressure. 100 psi (7 bars, 0.7 MPa). Maximum Size Pumpable Solids. 3/32 inch (2.5mm). Fluid Displacement Per Cycle. 0.04g (0.15 litres). FLOW RATE (L/MIN) 57.00. FLUID TO AIR RATION 1:1. PUMP INLET/ OUTLET SIZE. PUMP SPEED 400 cpm. Polypropylene Standard Air Valve (NPT). PORTING Polypropylene Standard Porting (BSP). The item “Graco Husky 515 1/2 Air-Operated Double Diaphragm Pump D5B911″ 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.