WP900D – Pump Group 2 – Extended Pressure
- High-Performance external gear pump for heavy-duty-application with extended pressure capability (> 19 cm³/rev)
- Compact 3-piece design
- Aluminum housing (standard), cast iron (option)
- Noise optimized
- Multiple section possible (up to 4 sections)
- SAE-A and B interfaces available
- Customized options on demand
- Displacement: 16 – 31 cm³/rev (0.976 – 1.892 in³/rev)
- Max. rated pressure: 276 bar (4000 PSI)
- Rated pressure 31 cm³/rev: 200 bar (2900 PSI)
- Speed range: 500 to 3000 RPM
Product Configurator
Streamline your design process with our innovative product configurator.
Configure your product| Displacement (in³/rev) / (cm³/rev – for reference) | Rated Pressure (PSI) | Maximum speed (RPM) |
|---|---|---|
| .976 / (16.0 cm³/rev) | 4000 | 3000 |
| 1.159 / (19.0 cm³/rev) | 4000 | 3000 |
| 1.404 / (23.0 cm³/rev) | 3625 | 2800 |
| 1.648 / (27.0 cm³/rev) | 3335 | 2500 |
| 1.892 / (31.0 cm³/rev) | 2900 | 2200 |
| Displacement (cm³/rev) | Rated pressure (bar) | Maximum speed (RPM) |
|---|---|---|
| 16,0 | 276 | 3000 |
| 19,0 | 276 | 3000 |
| 23,0 | 250 | 2800 |
| 27,0 | 230 | 2500 |
| 31,0 | 200 | 2200 |
Product Features
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Low Noise Technology (Calma-Series)
Low Noise Technology – Calma-Series (Dual Flank Engagement)
Concentric has developed the Low Noise Calma-Series for gear pumps, based on the patented Dual Flank Engagement. The Calma-Series provides a reduced pressure pulsation by 75% vs. traditional gear pump designs, resulting in a low noise operation..Calma-Series gear pumps are well suited to applications on electrical forklift trucks and other mobile equipments, where low noise and high efficiency are required..The Calma-Series is available for Concentric gear pumps Group 1 and 2 and 2.5 (Group 3 on demand)..
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Multiple Sections
Multiple Sections – PumpsTo meet specific customer needs, Concentric can design multiple section gear pumps, also in combination of different pump groups (e.g. Group 2 + Group 1).
These pumps are ideally suited to supply flow to multiple hydraulic functions from one power source..Customer Value:
Compact design
Costs saving compared to separate pumps with associated fittings and hoses..Multiple gear pump combinations are available with up to four sections with a wide interface range.
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Cast Iron Housing
Cast Iron – W-Series
Concentric offers cast iron housings for the gear products. Cast iron is adding benefits to the gear unit regarding housing durability, reduced noise radiation and stabilized volumetric efficiency, especially at high operation temperatures (> 80°C)..The cast iron components are Cr6-free surface protected.
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Valve Integration
Valve Integration – W-Series and F12-Series
Concentric offers a wide range of integrated valve solutions for gear pumps and motors..Examples:
Anti-cavitation check valves
(Proportional) pressure relief valves
Valve manifolds for multiple functions.Also speed sensors can be integrated.
