1/4 Inch Positive Displacement Double Diaphragm Pump. The Husky 205 has a 1/4 inch (6.3 mm) connection and is available in polypropylene, groundable acetal and PVDF. The Husky 205 air-operated diaphragm pump features spring check valves for superior priming in any mounting configuration. 1/4 inch (6.35 mm) end-porting double diaphragm pump. Spring check valves for superior priming in any mounting configuration. Remote control option using an external controller. True-formed PTFE and Santoprene diaphragms for enhanced performance. Spring loaded checks allow the diaphragm pump to work in any orientation. Inlet and Outlet are interchangeable. Aximum Fluid Flow: 5.0 gpm (18.9 l/min). Maximum Fluid Discharge Pressure. 100 psi (7 bars, 0.7 MPa). Maximum Size Pumpable Solids. 0.06 inch (1.5mm). Fluid Displacement Per Cycle. 0.012g (0.045 litres). FLOW RATE (L/MIN) 18.90. FLUID TO AIR RATION 1:1. PUMP INLET/ OUTLET SIZE. 1/4″ Hybrid Thread (allows for 1/4″ NPT or 1/4 BSP). PUMP SPEED 250 cpm. PORTING PVDF Standard Porting (NPT). The item “Graco Husky 205 1/4 Air-Operated Double Diaphragm Pump D150A1″ 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.