KOSHIN GEAR PUMPS GL Series for low-viscocity oil Specifications Model : GL-40-5 Pump Connection Dia : 40 mm ( 1½ " ) Power : 2.2 kW / 3HP Voltage : 220/ 380 VAC 3 Phase Poles : enam ( 6) Max. Pressure : 0.5 Mpa ( 5 kgf/ cm2) / 5 bar Delivery Volume : 60 Hz ( 11800 rpm) : 125 liters/ min ( 33 USG/ min) 50 Hz ( 960 rpm) : 100 liters/ min ( 26 USG/ min) Coupling : JIS Pump Shaft Dia : ø 22  mm- Mechanical Seal Gross Weight : 21 kg Dimensions LxWxH ( mm) : 328 x 268 x 235