Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of rexroth pgh4-21 hydraulic gear pump in China. We warmly welcome you to wholesale bulk rexroth pgh4-21 hydraulic gear pump for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
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The PGH4-21 is part of Rexroth's extensive range of hydraulic gear pumps, engineered for efficiency and reliability. Its compact design allows for easy integration into various hydraulic systems. Equipped with high-quality internal gears and precision-matched components, the pump minimizes internal leakage and maintains stable flow rates under varying loads.
Key Advantages
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- Durable steel construction with high corrosion resistance
- Low noise operation suitable for industrial settings
- High volumetric efficiency and minimal internal leakage
- Compact design for easy installation
Technical Specifications
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| Parameter | Specification |
|---|---|
| Model | PGH4-21 |
| Type | Hydraulic Gear Pump |
| Displacement | 21 cm³/rev |
| Max Operating Pressure | 250 bar |
| Max Speed | 3000 rpm |
| Flow Rate | 63 L/min |
| Weight | 7.2 kg |
| Shaft Type | Splined or keyed |
| Mounting | SAE standard |
Applications
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- Industrial Manufacturing Equipment
- Mobile Hydraulic Systems
- Material Handling Systems
- Power Units and Hydraulic Stations
- Marine and Offshore Equipment
- Energy and Heavy Industry
Related Models
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- PGH2-14
- PGH3-18
- PGH5-28
- PGH6-35
Each model shares the same high-quality engineering and reliability, making it easy to find the right pump for your application.
FAQ
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Q: What is the optimal fluid viscosity range for the PGH4-21?
A: The PGH4-21 performs best with hydraulic fluids having a viscosity between 20–60 mm²/s at 40°C. Using fluids outside this range can cause cavitation or reduced volumetric efficiency.
Q: What types of hydraulic fluids are compatible?
A: This pump is compatible with mineral-based oils, synthetic hydraulic fluids, and bio-degradable fluids. Ensure the fluid meets ISO 11158 or DIN 51524 standards.
Contact Us
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If you are looking for the Rexroth PGH4-21 Hydraulic Gear Pump or other original hydraulic components, feel free to contact us for professional support and fast quotation.
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