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Hydraulic Flanges / Hydraulic Flanges / Hi Lo Pumps
Hi Lo Pumps

Hi Lo Pumps

• Filtration: 25 micron or better

• Oil Viscosity: 6 to 200 cSt

• Inlet Pressure: 12 to 32 psi absolute

• Displacement: (LO) 0.464 in3/rev

                          (HI) 0.93 to 1.397 in3/rev

• Flow GPM: 22 to 28 @ 3600r/min

 

Hydraulic Gear Pump AP-HL

AP-HL is a HI/LO cast iron Hydraulic Gear Pump with a max pressure of 900 psi for the low pressure pump and 3000 psi for the high pressure pump. The change from LO to HI pressure is automatic with the LO side pressure pre set from 400 psi to 900 psi. The HI/LO section of the pump and the end plates are cast iron. Applications for the HI/LO pump are log splitters, presses etc. where rapid movement of the cylinder at low pressure is required prior to automatically switching to the high pressure mode to meet load requirements.

Technical Data

• Filtration: 25 micron or better

• Oil Viscosity: 6 to 200 cSt

• Inlet Pressure: 12 to 32 psi absolute

• Temperature: Oil: -25ºC to 80ºC / -12ºF to 175ºF

                Ambient: -22ºC to 55ºC / -8ºF to 130ºF

• Port Sizes: Inlet: 3/4” NPTF (8-10 GPM) 1” pipe (11-16 GPM)

                  Outlet: 1/2” NPT Different port options available upon request

• Shaft: 1/2 straight shaft with #404 woodruff key (8-10GPM) or 1/8” x 1” square key (11-16 GPM)

 

Hydraulic Gear Pump AP-HFL

AP-HFL series is a gear pump with a max pressure of 900 psi for the low pressure pump and 3000 psi for the high pressure pump. It offers the same functionality as the AP-HL series but with flows to 28 GPM at 3600 psi. The standard mounting flange is SAE-A 2 bolt. 

Technical Data

• Filtration: 25 micron or better

• Oil Viscosity: 6 to 200 cSt

• Inlet Pressure: 12 to 32 psi absolute

• Temperature: Oil: -25ºC to 80ºC / -12ºF to 175ºF

                Ambient: -22ºC to 55ºC / -8ºF to 130ºF

• Port Sizes: Inlet: 1” NPT

                  Outlet: 3/4” NPT

• Shaft: 5/8” dia. 1-1/2” length