Hydac Gear Pump
PGP20 PGP25 PGP30 PGP31 PGP50 PGP51 PGP75 PGP76 PGP315 PGP330 PGP350 PGP365 series
HYDAC Gear Pump: Comprehensive Overview
1. Material Composition
HYDAC gear pumps are constructed using high-strength materials to ensure durability and performance under demanding conditions. Common materials include:
Cast Iron: Used for pump housings and gears due to its wear resistance and ability to handle high-pressure environments
Aluminum Alloy: Lightweight yet durable, often used in components like bushings and bearings for improved thermal stability
Stainless Steel: Selected for corrosion resistance in applications involving water-based or chemically aggressive fluids
NBR/FPM Seals: Nitrile (NBR) and fluorocarbon (FPM) seals ensure compatibility with a wide range of hydraulic fluids and temperature ranges
2. Key Features
Positive Displacement Design: Ensures consistent flow rates even under varying pressures, making it ideal for precise hydraulic control
Axial Balancing: Reduces internal leakage and enhances volumetric efficiency (up to 98% in some models)
Modular Construction: Allows customization of ports (ISO, SAE, or DIN flanges) and shaft types (tapered, splined) for diverse system integrations
Wide Viscosity Range: Operates efficiently with fluids ranging from 16–200 cSt, accommodating both low- and high-viscosity media
Temperature Resilience: Functions in ambient temperatures from -22°C to +55°C, with fluid compatibility up to 90°C (using FPM seals)
3. Advantages
High Efficiency: Pressure-balanced design minimizes energy loss, achieving up to 250 bar continuous pressure (rated) and 300 bar peak pressure
Durability: Hardened gears and corrosion-resistant materials extend service life in harsh environments like offshore or construction sites
Low Noise: Optimized gear meshing reduces operational noise, suitable for noise-sensitive industrial settings
Versatility: Compatible with hydraulic oils (HL/HLP), synthetic fluids, and water-glycol mixtures
Easy Maintenance: Simple construction with accessible seals and bearings reduces downtime during servicing
Detailed pictures
technical specifications
4. Technical Parameters
| Parameter | Value/Description |
|---|---|
| Displacement Range | 20–60 cm³/rev (e.g., PGE103 series)
10 |
| Max Continuous Pressure | 150–250 bar (model-dependent)
10 |
| Speed Range | 750–3,000 rpm (varies with displacement)
10 |
| Weight | 7.8–10.1 kg (PGE103 series)
10 |
| Fluid Compatibility | Mineral oils, HLP, water-glycol, biodegradable fluids
10 |
| Filtration Requirement | Cleanliness class 21/18/15 (ISO 4406) or better
10 |
5. Applications
HYDAC gear pumps are widely used in industries requiring reliable hydraulic power transmission:
Mobile Hydraulics: Excavators, cranes, and agricultural machinery (e.g., tractors, harvesters)
Industrial Systems: Machine tools, injection molding, and printing presses
Marine & Offshore: Ship steering systems, offshore platform hydraulics, and dredging equipment
Energy Sector: Hydraulic test benches and wind turbine pitch control systems
Specialized Applications: Aerospace hydraulics and automated manufacturing lines
6. Comparison with Similar Models
The PGE103 series stands out for its high-pressure tolerance (up to 300 bar peak) and modularity, whereas other brands like Parker or Yuken focus on compact designs or cost-effectiveness
Company profile
Package pictures
Exhibitions
Hot Tags: hydac gear pump, China hydac gear pump manufacturers, suppliers, factory, External Gear Pump For Excavator Case, Commercial External Gear Pump For Excavator Case, Gear Pump Gear Motor Spare Parts, Parker Gear Pump Gear, Parker Materis Oilgear Hydraulic Pump Motors, Parker Gear Pump Body
You Might Also Like
Send Inquiry