Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of high pressure commercial hydraulic internal gear pump in China. We warmly welcome you to wholesale bulk high pressure commercial hydraulic internal gear pump for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Why Choose Yanhui Hydraulic?
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- Original Brand Products
- Expert Guidance
- Global Shipping
- Quality Assurance
- After-Sales Support
Product Overview
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The High Pressure Commercial Hydraulic Internal Gear Pump is engineered for superior hydraulic power transfer. Its internal gear mechanism ensures smooth operation, minimal pulsation, and high volumetric efficiency. The pump is designed for long service life under high-pressure conditions, making it perfect for commercial machinery, industrial equipment, and mobile applications.
Key Advantages
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- High-pressure handling capabilities up to 350 bar (depending on model)
- Low noise and vibration for stable operation
- Precision-machined gears and housing for high efficiency
- Compatible with a wide range of hydraulic fluids
- Compact design for easy installation in constrained spaces
Technical Specifications
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| Parameter | Specification |
|---|---|
| Pump Type | Internal Gear Pump |
| Maximum Pressure | Up to 350 bar |
| Flow Rate | 10 – 200 L/min (model dependent) |
| Displacement | 1.5 – 50 cc/rev |
| Operating Temperature | -20°C to +80°C |
| Shaft Type | Straight or splined |
| Mounting | SAE flange or standard industrial mounting |
| Material | High-strength steel / aluminum housing |
| Efficiency | Volumetric: ≥ 93%, Mechanical: ≥ 90% |
| Seal Type | NBR, Viton options available |
| Applications | Industrial, mobile, commercial hydraulic systems |
Applications
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- Industrial machinery, including presses and injection molding machines
- Mobile hydraulic equipment, such as construction and agricultural vehicles
- Marine hydraulic systems for steering and deck machinery
- Material handling equipment like forklifts and cranes
- Energy and power generation equipment requiring high-pressure hydraulic circuits
Related Models
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- Parker PGP Series
- Eaton Char-Lynn Series
- Denison T6C Series
- Bosch Rexroth Internal Gear Pumps
- Yuken IPG Series
FAQ
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Q1: What fluids are compatible with this pump?
A: The pump is compatible with mineral oils, synthetic hydraulic fluids, and water-glycol solutions, depending on the seal material selected.
Q2: Can this pump handle continuous high-pressure operation?
A: Yes, the pump is designed for continuous operation at rated pressures, but proper maintenance and lubrication are recommended to ensure longevity.
Q3: How do I select the correct pump for my application?
A: Consider required flow rate, operating pressure, fluid type, and mounting type. Yanhui Hydraulic experts can assist in model selection for optimal performance.
Q4: Are replacement parts available?
A: Yes, Yanhui Hydraulic supplies original replacement parts for all major brands.
Q5: Are these pumps suitable for continuous high-pressure operation?
A: Yes, they are designed for continuous operation, but proper maintenance and lubrication are required to ensure longevity.
Contact Us
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Fill out our online inquiry form or call us directly, and let us help you find the perfect hydraulic solution with worry-free service.




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