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Parker PGP315 Series gear pump
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Description
Parker PGP315 Series Gear Pump Specifications
1. Product Overview
The Parker PGP315 Series is a high-pressure heavy-duty fixed displacement external gear cast iron pump, engineered for industrial transfer and mobile hydraulic systems. It delivers exceptional durability and efficiency under continuous high-pressure operating conditions, with interchangeability with Parker P315/P51 series gear pumps for reduced maintenance costs.
2. Core Technical Specifications
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Parameter Item
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Details/Specifications
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|---|---|
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Pump Type
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Fixed Displacement External Gear Pump
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Rated Operating Pressure
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241 bar (3,500 psi) continuous
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Peak Pressure
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275 bar (4,000 psi) intermittent
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Displacement Range
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7.6 – 40.6 cm³/r (0.46 – 2.48 cu.in/rev); maximum up to 41 cm³/r (2.5 cu.in/rev)
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Maximum Speed
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3,000 rpm
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Volumetric Efficiency
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≥ 94% at rated pressure; up to 98% under optimal conditions
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Operating Temperature Range
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-20°C to 100°C (-4°F to 212°F); some configurations up to 80°C (176°F)
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Fluid Compatibility
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Mineral oil, synthetic oil, biodegradable oil, phosphate-ester, water-glycol
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Viscosity Range
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50 – 7,500 SUS
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Maximum Flow Rate
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Up to 32 gpm (121 lpm) per section; up to 119 litres/minute
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Body Material
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Ductile cast iron (three-piece construction)
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Gear Configuration
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12-tooth precision steel gears
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Maximum Weight
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10 kg (22 lbs)
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3. Structural & Installation Specifications
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Item
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Specifications
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|---|---|
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Mounting Flange
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SAE A 2-bolt, SAE B 2-bolt; ISO/DIN options available
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Shaft Type
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SAE A 5/8″ 9T spline; SAE B 7/8″ 13T spline; SAE B 7/8″ parallel keyed; SAE/ISO/DIN industry-specific shafts optional
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Port Connections
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SAE, ISO, NPT, BSPP, ODT; flange and straight threaded types
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Port Location
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Side ports, rear ports
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Key Structural Features
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Large-area low-friction bushings; bronze pressure-balanced wear plate; internal lubrication channels; extended stud mounting support
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4. Configuration Options
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Pump Configurations: Single pump, tandem pump, triplex pump, piggyback configuration
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Rotation Direction: Clockwise (CW), counterclockwise (CCW), bi-rotational
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Control Methods: Relief valve, load sense flow control, priority flow control, solenoid unloaded relief valve
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Add-ons: Integrated valves (check valve with restrictor, accumulator charge valve), 415 upgrade (4,500 psi), large pad bearing carrier (1 ½” code 61)
5. Application Fields
Widely used in construction equipment, forestry machinery, oil & gas equipment, material handling equipment, aerial lifts, tire trucks, salt and sand spreaders, low boy trailers, and power steering systems.
PGP gear pump parameter
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