Shandong Keystone Hydraulic Co.,Ltd
| Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days |
| Packaging Details | Wooden boxes and cartons |
| Type | Piston Pump |
| Power Source | Electric, Gasoline, Diesel |
| Flow RMarine Equipmentate | Up to 100 GPM |
| Application | the Energy Sector |
| Seal Type | Lip Seal, Mechanical Seal |
| Drive Type | Direct Drive, Belt Drive |
| Material | Cast Iron, Aluminum, Stainless Steel |
| Brand Name | KERSTERN |
| Model Number | HA7V Series Axial Piston Pump |
| Certification | SIO9001 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 5,000 units per month | Delivery Time | 7 work days |
| Packaging Details | Wooden boxes and cartons | Type | Piston Pump |
| Power Source | Electric, Gasoline, Diesel | Flow RMarine Equipmentate | Up to 100 GPM |
| Application | the Energy Sector | Seal Type | Lip Seal, Mechanical Seal |
| Drive Type | Direct Drive, Belt Drive | Material | Cast Iron, Aluminum, Stainless Steel |
| Brand Name | KERSTERN | Model Number | HA7V Series Axial Piston Pump |
| Certification | SIO9001 | Place of Origin | China |
| High Light | 4750rpm axial piston hydraulic pump ，1400rpm axial piston hydraulic pump ，1400rpm axle piston pump | ||
The HA7V Axial Piston Pump is a high-performance variable displacement hydraulic pump designed exclusively for wind turbine blade control systems. With a displacement range of 20.5 to 250 Vgmax ml/r, this pump ensures precise, efficient, and reliable adjustment of wind turbine blades, optimizing energy capture under varying wind conditions. Built with durability, high efficiency, and adaptability in mind, the HA7V pump is the ideal solution for the renewable energy sector.
Wind Turbine Blade Pitch Control: Provides accurate hydraulic power to adjust blade angles in real time, maximizing power generation efficiency and ensuring safe turbine operation during fluctuating wind speeds.
Exclusive for Wind Turbines: Engineered specifically for blade control, ensuring maximum compatibility with wind power systems.
Wide Displacement Range: From 20.5 to 250 ml/r, adaptable to various turbine sizes and designs.
High Efficiency: Reduces energy consumption while delivering consistent hydraulic output.
Durability: Manufactured with high-strength alloys for long service life under harsh offshore and onshore conditions.
Precision Control: Ensures stable blade pitch adjustment for enhanced turbine reliability and performance.
Low Maintenance: Optimized design reduces wear, lowering operational costs.
| Parameter | Value Range |
|---|---|
| Model | HA7V Series |
| Displacement (Vgmax ml/r) | 20.5 – 250 |
| Maximum Speed (rpm) | 1400 – 4750 |
| Maximum Flow (L/min) | 76 – 449 (depending on size) |
| Maximum Power (kW) | 45 – 270 |
| Rated Flow @1450rpm (L/min) | 28.2 – 351.6 |
| Rated Power @350bar (kW) | 17 – 211 |
| Control Modes | Constant Power, Constant Pressure, Proportional, Hydraulic, Manual |
Material Selection: High-strength alloy materials provide durability and corrosion resistance.
Precision Machining: Ensures accuracy for smooth, low-friction operation.
Heat Treatment: Enhances hardness and resistance to wear.
Assembly & Testing: Each pump undergoes strict performance testing under simulated wind turbine conditions.
Protective Coating: Anti-corrosion coating extends service life in offshore wind farms.
Oil Quality: Use ISO VG46 or VG68 hydraulic oil to maintain optimal performance.
Startup: Fill the pump casing with clean hydraulic oil before first use to prevent dry running.
Routine Checks: Inspect regularly for oil leaks and monitor pressure stability.
Clean Operation: Ensure hydraulic oil cleanliness at NAS level 9 or better.
Maintenance: Replace oil and filters periodically to extend service life.
Warranty: 12-month warranty covering manufacturing defects.
Technical Support: Expert guidance for installation and operation.
Spare Parts: Original replacement parts available for long-term reliability.
Repair Network: Global service centers for fast repair and troubleshooting.
Q1: Is the HA7V pump suitable for applications other than wind turbines?
A1: No, this model is designed specifically for wind turbine blade control systems.
Q2: How do I select the correct displacement?
A2: The displacement should match the turbine’s size and hydraulic system requirements. Our engineering team can assist with selection.
Q3: Can the HA7V operate in offshore wind farms?
A3: Yes, the HA7V is corrosion-resistant and fully suitable for offshore environments.
Company Details
Business Type:
Manufacturer
Year Established:
2019
Total Annual:
5000000-6000000
Employee Number:
>55
Ecer Certification：
Verified Supplier
Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw... Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw...
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