Parker Parker Pgp517 Hydraulic Gear Pump
Parker parker pgp517 hydraulic gear pump
Parker PGP517 Hydraulic Gear Pump: Comprehensive Overview
1. Material Composition
The Parker PGP517 gear pump is constructed with a high-strength aluminum extruded body
ensuring lightweight durability. Key internal components include:
Hardened and ground integral gear shafts for wear resistance
Special aluminum alloy bush bearings to enhance load-bearing capacity
Nitrile shaft seals suitable for temperatures ranging from -15°C to +80°C
2. Key Features
Gear Design: Utilizes a 13-tooth gear profile (earlier models like PGP511 use 12 teeth) with a modified profile to reduce noise
Pressure Balance: Axially balanced thrust blocks and pressure-balanced bearings ensure high volumetric efficiency (over 90%) even under high loads
Modular Construction: Three-piece aluminum housing allows flexibility in configurations (single, tandem, or cross-mounted)
Integrated Control Valves: Supports optional valves like anti-cavitation, safety relief, and electromagnetic unloading valves for system simplification
Wide Viscosity Range: Handles fluids with viscosity from 10 to 300 cSt
3. Advantages
High Efficiency: Pressure-balanced design minimizes energy loss
Durability: Aluminum construction and hardened components extend service life in harsh environments
Low Noise: Optimized gear geometry reduces operational noise, making it suitable for noise-sensitive applications
Versatility: Compatible with multiple fluid types and integrates seamlessly into automated hydraulic systems
High Pressure Tolerance: Continuous operation up to 250 bar (3,625 psi) and intermittent peaks up to 275 bar
4. Technical Parameters
| Parameter | Value |
|---|---|
| Displacement Range | 16–70 cc/rev (e.g., 52 cc/rev for PGP517A0520) |
| Max Continuous Pressure | 250 bar (220–275 bar depending on model) |
| Speed Range | 500–3,400 rpm (varies with displacement) |
| Weight | ~3.3–7 kg (model-dependent) |
| Fluid Compatibility | Hydraulic oils, synthetic fluids |
| Operating Temperature | -40°C to +80°C |
Available Models:
G101/102 C101/102 P30/31 P50/51 P75/76 P315 P330/350 P365
Detailed pictures
Model Description
5. Applications
The PGP517 is widely used in industries requiring robust hydraulic power:
Material Handling: Forklifts, conveyor systems
Construction Equipment: Excavators, cranes
Agriculture: Tractors, harvesters
Municipal Vehicles: Street sweepers, garbage trucks
Specialized Systems: Power steering, hydraulic braking, and lubrication systems
6. Comparison with Similar Models
PGP511: 12-tooth design, lower noise ("stealth" variants available)
PGP505: 13-tooth gears, optimized for medium-pressure applications
PGP517: Higher displacement (up to 70 cc/rev) and pressure tolerance
For detailed configuration options (e.g., SAE flanges, shaft types), refer to Parker's technical catalogs
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