Grease Pump Samoa 409200. Specifikasi: - Pressure Ratio : 55:1 - Pump tube diameter : 26mm (1") - Air Piston diameter : 70mm (3") - Air Piston stroke : 35mm (1,5") - Max free flow capacity : 540 gr/min (NLGI-2) 3000gr/min (NLGI-1) - Max air pressure : 10