Radial Piston Pumps – 1R / 1RE
The Polyhydron 1R and 1RE series are rugged, low-cost radial piston pumps designed for high-pressure industrial hydraulic systems. These pumps feature a valve-controlled design with a fixed output per revolution and are typically used in “open execution” where the pump is immersed in oil.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
Polyhydron Radial Piston Pumps 1R and 1RE series are rugged low cost pumps with all parts renewable by replacement. Radial piston arrangement, with 3, 5 or 7 pumping elements. Oil immersed type, open execution, face mounting, valve controlled, fixed delivery, bi-directional rotation of shaft. Also available with extension shaft / bracket for through drive. For coupling the pumps to the electric motors standard bell housing assemblies are available. These are also available with extension shaft to couple low pressure pumps.
| 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 |
| 5 | 1.5 | 2.7 | 4.3 | 6.2 | 7.2 | 8.4 | 9.6 |
| 7 | 2.2 | 3.8 | 6.0 | 8.6 | 10.1 | 11.7 | 13.5 |
Design and Application Highlights
- Rugged Construction: The pumps are oil-immersed with an “open execution” design, ensuring they can withstand demanding industrial environments.
- Modular Extension (1RE): The 1RE model includes an extension shaft and is often used with an extension bracket assembly to couple low-pressure pumps (standard flange ISO 3019/1) for dual-circuit systems.
- Industrial Use: Primarily used in hydraulic presses, injection moulding machines, and high-pressure clamping units.
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