Fluid o tech rotary vane pump. This pump is mainly used on Rancilio espresso machines. The reason for that is that the pump has a side connection, 1/8"BSP-G. The main pump pressure manometer is connected to the pump. the pump capacity is 200 L/h. The in and out of the pump are connected with a 3/8" BSP-G. This pump is only suitable for the motor type which has a clamp ring fitting on the end. so it can't be connected to a flanged pump motor.