Hydraulic gear pump 2 stage, high/low gear pumps

two-stage

In particular these models offer the advantage of requiring lower power of the motor. Specially designed for applications such as: » waste compactors » log splitters » clamp mechanisms » crimping machines » metal forming machines, etc. The Marzocchi 1HL, 1PHL and 2HL High/Low hydraulic gear pumps are special double stage pumps with special integrated valves as shown in the hydraulic circuit diagram. 1) First stage high pressure 2) Second stage low pressure 3) Unloading valve