Atos PFR‑2 PFR‑3 PFR‑5 Radial Hydraulic Piston Pump
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of atos pfr‑2 pfr‑3 pfr‑5 radial hydraulic piston pump in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications
| Item | Specification |
| Part Number | PFR-202, PFR-203 |
| Product Type | Fixed Displacement Radial Hydraulic Piston Pump |
| Applicable Machine | Industrial Hydraulic Systems, Hydraulic Presses, Machine Tools, Construction Machinery |
| Brand Reference | Atos |
| Application | High-Pressure Hydraulic Power Units, Industrial Hydraulic Circuits, Heavy-Duty Hydraulic Systems |
| Material | Cast Iron Housing, Steel Piston, Bronze Cylinder, High-Strength Shaft |
| Displacement | 1.7 cm³/rev (PFR-202), 3.5 cm³/rev (PFR-203) |
| Working Pressure | Max 500 bar (Continuous), 550 bar (Peak) |
| Installation Form | Standard Flange Mounting, Customizable Port Orientation |
| Working Condition | Mineral Oil ISO VG 46, Operating Temperature -20°C to +80°C, Inlet Pressure -0.10 to 1.5 bar |
| Sealing Type | Nitrile Rubber (NBR) Standard, FKM (Viton) Optional for High Temperature |
| Weight | 12 kg |
| Control Type | Fixed Displacement, Positive Drive Piston Structure |
| Rotation | Standard Clockwise (CW), Counterclockwise (CCW) Optional |
| Rated Speed | 800-1800 rpm (Max 1800 rpm Continuous) |
| Remark | Low Noise Operation, 98% Volumetric Efficiency, Long Service Life, CE Certified |
Product Overview
Atos PFR‑2, PFR‑3 and PFR‑5 are high‑performance fixed‑displacement radial piston pumps. Built with positive‑drive radial piston structure, these hydraulic pumps deliver stable high‑pressure output with low‑noise operation.
Designed for heavy‑duty industrial hydraulic systems, the PFR series covers multiple displacement sizes from PFR‑2 to PFR‑5. It offers reliable continuous performance under demanding working conditions, widely adopted for industrial machinery and hydraulic power units.
Features and Advantages
Features and Advantages
- Fixed‑displacement radial piston design for consistent hydraulic output
- High‑pressure capability for heavy‑duty industrial operating conditions
- Low‑noise running performance for noise‑sensitive working environments
- Positive‑drive piston construction improves mechanical stability and service life
- Robust build structure resists pressure shocks under continuous operation
- Multiple displacement options: PFR‑2, PFR‑3, PFR‑5 to match diverse flow requirements
- Compact footprint, easy installation and integration into hydraulic power units
- High volumetric efficiency for stable system performance
Typical applications
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- Industrial Hydraulic Power Units: Ideal for fixed-displacement high-pressure hydraulic systems, providing stable and continuous power supply for various industrial hydraulic equipment.
- Metal Forming & Press Machinery: Adapt to high-pressure working conditions of hydraulic presses, stamping machines and forging equipment, with strong pressure resistance and stable output.
- Injection Molding & Plastic Machinery: Low-noise and high-efficiency operation meets the long-term continuous working demand of plastic injection molding and molding equipment.
- Hydraulic Test Benches: Precise fixed displacement output, suitable for hydraulic system testing, pressure detection and industrial test equipment.
- Construction & Mining Machinery: Applied to rotary drilling rigs, hydraulic cranes and mining auxiliary hydraulic systems, adapting to harsh heavy-duty working environments.
- Marine & Offshore Hydraulic Systems: Compact structure and reliable performance, suitable for marine winches, hydraulic control and offshore auxiliary equipment.
FAQ
Q: What are Atos PFR-2, PFR-3 and PFR-5 pumps used for?
A: Atos PFR-2, PFR-3 and PFR-5 are high-performance fixed-displacement radial piston pumps. They are widely used in industrial hydraulic power units, press machinery, injection molding equipment, mining, construction and marine hydraulic systems for heavy-duty high-pressure operation.
Q: What is the core advantage of Atos PFR series radial piston pumps?
A: These PFR series pumps feature high-pressure resistance, low-noise operation, high volumetric efficiency and robust mechanical structure. The positive-drive radial piston design ensures stable continuous operation and longer service life under harsh industrial working conditions.
Q: What is the difference between PFR-2, PFR-3 and PFR-5 models?
A: The three models differ mainly in displacement, flow rate and application load. PFR-2 is compact for small and medium hydraulic systems, PFR-3 covers medium-flow standard industrial scenarios, and PFR-5 offers larger flow output for heavy-duty high-load hydraulic equipment.
Q: Are Atos PFR radial piston pumps fixed displacement?
A: Yes. All Atos PFR-2, PFR-3 and PFR-5 hydraulic pumps adopt fixed-displacement design, delivering consistent and stable hydraulic output, which is ideal for industrial systems requiring constant pressure and flow performance.
Q: Can Atos PFR-2/PFR-3/PFR-5 pumps replace old industrial hydraulic pumps?
A: Absolutely. The PFR series is a universal and mature hydraulic piston pump solution. It can perfectly replace most old-model radial piston pumps for machinery maintenance, equipment renovation and hydraulic system upgrade projects.
Q: Are Atos PFR series pumps suitable for long-term continuous operation?
A: Yes. Designed for heavy-duty industrial scenarios, PFR-2, PFR-3 and PFR-5 pumps feature pressure shock resistance, low wear and stable heat dissipation, supporting 24-hour continuous operation for industrial production lines and hydraulic test benches.
Q: Do you supply original Atos PFR-2, PFR-3, PFR-5 pumps in my region?
A: We provide genuine high-performance Atos PFR series radial piston pumps with complete stock and customized delivery solutions for global customers, including Europe, North America, Southeast Asia and other regions, supporting local fast delivery and after-sales service.
Q: How to select the right Atos PFR pump model for my hydraulic system?
A: Model selection depends on your system working pressure, required flow rate and equipment load. PFR-2 for compact low-flow systems, PFR-3 for standard industrial applications, and PFR-5 for large-flow heavy-duty hydraulic machinery. You can contact us for professional model selection guidance.
Model Displacement
General Specification Table
| Item | Specification |
|---|---|
| Part Number | PFR‑2, PFR‑3, PFR‑5 (Sub‑models: PFR‑202, PFR‑203; PFR‑308, PFR‑311, PFR‑315; PFR‑518, PFR‑525) |
| Product Type | Fixed‑displacement Radial Piston Pump |
| Applicable Machine | Hydraulic power units, press machinery, injection molding, test benches, construction & mining equipment, marine hydraulic systems |
| Brand Reference | Atos |
| Application | Heavy‑duty high‑pressure industrial hydraulic systems |
| Material | High‑strength cast iron housing, alloy steel piston components |
| Displacement | 1.7 ~ 25.4 cm³/rev (PFR‑2:1.7‑3.5; PFR‑3:8.2‑14.7; PFR‑5:18.1‑25.4 cm³/rev) |
| Working Pressure | PFR‑2: Max 500 bar; PFR‑3 / PFR‑5: Max 350 barAtos |
| Installation Form | Any mounting position; avoid excessive suction height; available for through‑shaft multi‑pump combination |
| Working Condition | Mineral oil ISO VG46, operating temperature ‑20℃ ~ +80℃ |
| Sealing Type | Standard NBR; Optional FKM (PE) for special fluid media |
| Weight | PFR‑2: approx.12 kg; PFR‑3: approx.31 kg; PFR‑5: approx.42 kg |
| Control Type | Fixed‑displacement, no flow control |
| Rotation | Reversible rotation (clockwise / counter‑clockwise, flow direction unchanged) |
| Rated Speed | 600‑1800 rpm, recommended 1450‑1800 rpm |
| Remark | Positive‑drive piston without return spring; low‑noise heavy‑duty design; multi‑pump assembly available |
Detailed Sub‑model Hydraulic Data
| Main Size | Sub‑Model | Displacement cm³/rev | Max Working Pressure bar | Speed Range rpm |
|---|---|---|---|---|
| PFR‑2 | PFR‑202 | 1.7 | 500 | 600‑1800 |
| PFR‑2 | PFR‑203 | 3.5 | 500 | 600‑1800 |
| PFR‑3 | PFR‑308 | 8.2 | 350 | 600‑1800 |
| PFR‑3 | PFR‑311 | 11.4 | 350 | 600‑1800 |
| PFR‑3 | PFR‑315 | 14.7 | 350 | 600‑1800 |
| PFR‑5 | PFR‑518 | 18.1 | 350 | 600‑1800 |
| PFR‑5 | PFR‑525 | 25.4 | 350 | 600‑1800 |
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