Radial Piston Pumps – 1R3
The Polyhydron 1R3 is a compact, valve-controlled radial piston pump designed for high-pressure industrial hydraulic applications. It features three pumping elements and is engineered to operate while fully immersed in oil, making it quiet and efficient at heat dissipation.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
Polyhydron Radial Piston Pumps 1R3 series are rugged low cost pumps with all parts renewable by replacement. Oil immersed type, open execution, face mounting, valve controlled, fixed delivery, bi-directional rotation of shaft. For coupling the pumps to the electric motors standard bell housing assemblies are available. Available with three pumping elements.
| Nominal pressure and flow ratings | |||||||
|---|---|---|---|---|---|---|---|
| Pressure (bar) | 700 | 550 | 450 | 350 | 300 | 250 | 200 |
| Number of Pumping Elements | Flow (L/min) @ 1450 rpm | ||||||
| Z | A | B | C | D | E | F | |
| 3 | 0.9 | 1.6 | 2.6 | 3.7 | 4.3 | 5.0 | 5.8 |
Core Technical Specifications
The 1R3 series is available in several models (e.g., 1R3A, 1R3B, 1R3Z) that vary by displacement and pressure rating:
-
- Pumping Elements: 3 elements per pump.
- Operating Pressure: Ranges from 50 bar to 700 bar depending on the specific design code.
- Flow Rate: Typical outputs vary between 0.9 L/min and 5.8 L/min at 1450 rpm.
- Speed Range: 300 to 2000 rpm.
- Mass: Approximately 5.3 kg to 5.5 kg.
- Hydraulic Medium: Mineral oil with a viscosity range of 10 cSt to 100 cSt.
- Mounting: Face mounting (factory standard).
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