Description Specifications Description Haskel HAA31-2.5-N single acting, single stage air pressure amplifier offers the most comprehensive range in the industry combining simple principles of operation with rugged constrction suitable for the most demanding industrial applications. Features Long seal life and easy maintenance No heat, flame or spark risk Wide range of models, controls and options No air line lubrication required eliminating oily exhaust Infinitely variable outlet pressure and flow capability Wide range of standard and custom systems Control of maximum pressure by means of inexpensive air drive pressure regulators State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Drive Size in (mm)2.87 (73)Max Air Drive PSIG (Bar)125 (9)Ratio2.5:1Max Inlet PSIG (Bar)125 (9)Max Outlet PSIG (Bar)320 (22)Displ/Cycle In3 (nL)2.40 (39.3) Literature & Docs Accessories