1:1 Air operated pumps are designed for the most demanding operations. Unique pre-lubricated air motor design, lubricator NOT required. Quiet and double acting operation and easy to fit to drum or tank, 2” drum adapter included, seals in NBR/PU. Max air pr.: 1.0 MPa (150 psi) Air inlet: 1/4” BSP (F) Fluid inlet: 1″ BSP (F) Fluid outlet: 3/4” BSP (F) Capacity: Max 40l/min Pump tube: Ø52mm. L=215mm