Radial Piston Pumps – 1R2
The Polyhydron 1R2 is a compact, rugged, and low-cost radial piston pump designed for high-pressure hydraulic applications. It is an oil-immersed type pump, meaning it lacks a dedicated suction port and must be fully submerged in the hydraulic tank to operate by sucking oil directly.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
Polyhydron Radial Piston Pumps 1R2 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 two 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 | |
| 2 | 0.6 | 1.1 | 1.7 | 2.5 | 2.9 | 3.4 | 3.9 |
Key Specifications
- Model Number: 1R2 series.
- Pumping Elements: Standard configuration includes 3 pistons (or pumping elements).
- Pressure Rating: Typically rated up to 550 Bar (approx. 7977 PSI), though specific variants like the 1R2D are rated for 300 Bar.
- Speed Range: Operates between 300 to 2000 RPM.
- Mounting Type: Standard Face Mounting.
- Viscosity Range: Optimized for fluids between 10 cSt to 100 cSt.
- Operating Temperature: Suitable for fluid temperatures from -20°C to +80°C.
Input Power Requirement
The power required depends on the operating pressure. Below is a representative guide for the power (kW) consumed at various pressure levels:
- At 100 Bar: Ranges from 0.23 kW (for 2A) to 0.80 kW (for 2F).
- At 300 Bar: Ranges from 0.69 kW (for 2A) to 1.61 kW (for 2D).
- At 550 Bar: Approximately 1.26 kW (for 2A).
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