Graco Husky 515 1/2 Air-Operated Double Diaphragm Pump – D5B911. 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. BENEFITS OF THE HUSKY 515 DOUBLE DIAPHRAGM PUMP. Centre 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. Easy-to-service air valve and ball checks. Operates on as little as 1.4 bar, 0.14 MPa (20 psi). Split manifold option to pump multiple fluids without mixing. Fully groundable acetal model. Reliable air valve for years of dependable performance. The item “Graco Husky 515 1/2 Air-Operated Double Diaphragm Pump D5B911″ is in sale since Saturday, November 6, 2021. This item is in the category “Business, Office & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps”. The seller is “allgirlsherex6″ and is located in Hereford. This item can be shipped to United Kingdom.