Parker P50 P51 Power Gear Hydraulic Pump
Parker P50 P51 power gear hydraulic pump
1. Key Features
High-Pressure Performance:
Operates at continuous pressures up to 200–300 bar, with intermittent peaks reaching 350 bar in heavy-duty configurations. This makes them suitable for applications like construction machinery and industrial presses
Precision-machined hardened steel gears and aluminum alloy bush bearings ensure durability under extreme loads
Efficiency and Flow Control:
Volumetric efficiency exceeding 95% due to axially balanced designs and optimized internal clearances, minimizing energy loss
Displacement flexibility: Models like the P50/P51 series support flow rates tailored to applications such as material handling or hydraulic power units (HPUs)
Low Noise and Vibration:
Advanced helical or spur gear profiles reduce pulsation, achieving noise levels below 70 dB, ideal for noise-sensitive environments
Pressure-balanced floating sleeves minimize internal friction and vibration
Robust Construction:
High-strength aluminum housing provides lightweight durability, while cast iron variants (e.g., in P51 models) enhance wear resistance for harsh environments like mining or marine applications
Contamination-resistant seals (Nitrile or Viton) extend service life in dirty or high-particulate conditions
Modular Design:
Supports tandem or multi-pump configurations for complex hydraulic systems, such as combining gear and piston pumps
Optional integrated valves (e.g., pressure relief, anti-cavitation) simplify system plumbing and control
Fluid Compatibility:
Handles a wide viscosity range (10–300 cSt), including mineral oils, synthetic fluids, and biodegradable hydraulic oils
2. Advantages
Energy Savings:
High volumetric efficiency reduces power consumption, lowering operational costs and supporting sustainability goals
Versatility:
Suitable for mobile equipment (excavators, agricultural machinery) and industrial systems (CNC machines, hydraulic presses)
Compatible with bidirectional flow by reversing pump rotation, offering flexibility in system design
Low Maintenance:
Self-adjusting components (e.g., floating sleeves) and simplified disassembly reduce downtime and servicing costs
Reliability in Harsh Environments:
Engineered for extreme conditions with thermal management systems and contamination-resistant seals, ensuring long-term operation in mining, construction, or marine settings
Cost-Effectiveness:
Competitive pricing compared to premium brands like Bosch or Rexroth, combined with extended service intervals, lowers total ownership costs
3. Technical Specifications
| Parameter | Specifications |
|---|---|
| Max Continuous Pressure | 200–300 bar (varies by model) |
| Displacement Range | 5.3–161 cc/rev |
| Speed Range | 600–3,500 RPM |
| Weight | ~2–25 kg (varies by model) |
| Fluid Temperature | -20°C to +90°C |
4. Applications
Construction: Excavators, loaders, and compactors
Agriculture: Tractors, harvesters, and irrigation systems
Industrial: Hydraulic presses, plastic injection molding, and material handling systems
Specialty: Marine steering systems and municipal vehicles
Available Models:
G101/102 C101/102 P30/31 P50/51 P75/76 P315 P330/350 P365
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Model Description
Why Choose the PGP50?
While specific technical data for the PGP50 is not detailed in the search results, the PGP series' proven advantages in high-pressure resilience, low-noise operation, and system flexibility make it a superior choice for:
Mobile hydraulics (e.g., excavators, agricultural machinery).
Industrial systems requiring energy efficiency and contamination resistance
gear pumps Application
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