Dowty 1P 4000 Series Single Pump
The Dowty 1P 4000 Series Single Pump is a high-performance external gear pump designed for medium to high-pressure hydraulic applications, offering a wide range of displacements, reliable operation up to 207 bar, and flexible mounting/port configurations.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About This Item
The Dowty 1P 4000 Series Single Pump consists of high-performance single hydraulic gear pumps commonly used in industrial and mobile applications. These pumps are known for their high volumetric efficiency and durability, often operating at pressures up to 207 bar (3000 PSI) and speeds up to 3500 RPM.
Performance Data
Pressures quoted are relief valve maximum by-pass Performance with SAE 20W oil at 50°C
| PUMP TYPE |
DISPLACEMENT | DELIVERY @1500 RPM & PRESSURE P | MAXIMUM CONTINUOUS PRESSURE P | SPEED AT MAXIMUM CONTINUOUS PRESSURE P | |||
|---|---|---|---|---|---|---|---|
| MIN (lpm) | MAX (lpm) | psi | bar | MAX | MIN | ||
| 4017 | 6.1 | 7.8 | 9.2 | 3000 | 207 | 3500 | 700 |
| 4020 | 7 | 8.9 | 10.5 | 3000 | 207 | 3500 | 700 |
| 4028 | 9.4 | 12.2 | 14.2 | 3000 | 207 | 3500 | 700 |
| 4036 | 11.9 | 15.7 | 17.85 | 3000 | 207 | 3500 | 700 |
| 4044 | 14.3 | 18.9 | 21.5 | 3000 | 207 | 3500 | 700 |
| 4052 | 16.8 | 22.9 | 25.2 | 3000 | 207 | 3500 | 700 |
| 4060 | 19.2 | 26.5 | 28.8 | 3000 | 207 | 3500 | 700 |
| 4072 | 22.8 | 31.5 | 34.3 | 2525 | 174 | 3000 | 700 |
| 4090 | 28.13 | 38.8 | 42.2 | 2000 | 138 | 2400 | 700 |
Key Features
- Pressure Balancing System: Uses a pressure-loading mechanism on the bush rear face to maintain high mechanical and volumetric efficiency.
- Compact Design: Lightweight and easy to integrate into both original equipment (OEM) and maintenance replacements.
- Port Options: Typically features BSPF threaded ports, such as 1/2” or 3/4” depending on the displacement.
- Robust Materials: Often constructed with mild steel or aluminum bodies for industrial-grade longevity.
| TECHNICAL DETAILS | |
|---|---|
| Series | 1P 4000 Series |
| Maximum Continuous Pressure | 207 bar (≈ 3000 PSI) |
| Maximum Continuous Pressure | 207 bar (≈ 3000 PSI) |
| Pump Configuration | Single Pump (Non-Tandem) |
| Rotation Direction | Clockwise (CW) Standard |
| Minimum Operating Speed | 700 RPM |
| Maximum Operating Speed | 3500 RPM |
| Operating Temperature Range | 0°C to 90°C |
| Peak Temperature Tolerance | Up to 100°C (Intermittent) |
| Mounting Configuration | Flange Mounted (Industry Standard Fitment) |
| Construction | Robust Cast Iron Body with Precision Machined Components |
| Application Compatibility | Suitable for Industrial & Mobile Hydraulic Systems |
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