HD Series Pumps
Fixed, Tandem Pressure-Loaded Gear Pump, 30.18/10.5 cm³/rev Max. Displacement.
The Aluminum Pump HD Series fixed displacement gear pump offers high performance and high power density dues to its aluminum construction, making it an ideal selection for the Aerial, Agriculture, Construction, Forestry, Material Handling, and Turf Equipment markets. It is available as a standard pump, a pump with a primary circuit relief valve.
Technical Specifications –H Series front pump:
• Flows from 2.52 GPM to 7.7 GPM per 1000 rpm
• Sizes from 9.88 to 30.18 cc/rev (0.603 to 1.842 cir)
• Operating pressures up to 172 bar (2,500 psi)
• Speeds up to 4,000 rpm
• CW, and CCW pumps available
• SAE shafts, flanges and porting available
Technical Specifications – D Series rear pump:
• Flows from .48 GPM to 2.71 GPM per 1000 rpm
• Sizes from 1.87 to 10.5 cc/rev (0.114 to 0.641 cir)
• Operating pressures up to 172 bar (2,500 psi)
• Speeds up to 4,000 rpm
• CW, and CCW pumps available
• SAE shafts, flanges and porting available
• Valve options available: Pressure relief
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Specifications
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Performance Characteristics
Body Material Aluminum - Case Drain Option No - Charge Pump Option No - Circuit Type Open - Configuration Piggyback - Control Method Relief - Fluid Type Standard Hydraulic Fluid, Phosphate Ester, Water Glycol - Maximum Displacement 30.18/10.15 cm³/rev 1.84/.641 in³/rev Min./Max. Fluid Temperature -15ºC to 80ºC 5ºF to 176ºF Max. Operating Pressure (continuous) 172 bar 2500 psi Max. Radial Shaft Load Contact GSGR - Maximum Speed (RPM) 4000 - Min./Max. Viscosity (SUS) 50 7500 Max. Weight 4.54 kg 10 lbs Mounting Option SAE, ISO - Port Connection SAE. NPT Straight Threaded Porting Location Side ports, rear ports - Pump Technology Gear - Pump Type Fixed - Roatation Clockwise, counter clockwise - Shaft Type SAE, ISO - Options
Optional built-in relief valve - Optional built-in valve and flow divider - Special controls - Features and Benefits
Three-piece construction for distribution flexibility - Aluminum pumping sections for light weight - Jounal bushing for long life - Pressure balanced trust blocks for high efficiency - Multiple sections available - Intergral pressure-loaded pump design - Individual inlet & outlet ports for 1st and 2nd stages of pump Fluids common/intermix between 1st and 2nd stages of pump "H" series fron cover mount - SAE "A" 2-Bolt - Efficient at high-pressure operation - Optional built-in relief - 2nd stage pump - Markets
Aerial - Agricultural Machinery - Construction Equipment - Forestry Equipment - Material Handling Equipment - Turf Equipment - Vocational & Municipal Equipment - Applications
Power steering pumps - Brake pump - Hydraulic Power Unit - Filter Cart Pump - Transfer Pump - Lube Pump - -
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