Shandong Keystone Hydraulic Co.,Ltd
| Payment Terms | T/T |
| 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
| Payment Terms | T/T | 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 | HA7V Mobile Hydraulic Pump ，Gasoline Mobile Hydraulic Pump ，100 GPM axial piston pump | ||
The HA7V Axial Piston Pump is a high-efficiency hydraulic pump engineered exclusively for wind turbine blade pitch control systems. With a displacement range of 20.5 – 250 Vgmax ml/r, the HA7V ensures precise and reliable control of turbine blades, optimizing wind energy capture under variable conditions. Built for continuous operation in harsh offshore and onshore environments, the HA7V combines durability, efficiency, and advanced hydraulic technology to meet the strict demands of the renewable energy sector.
Wind Turbine Blade Pitch Control: The HA7V pump regulates blade angle with high precision, allowing wind turbines to maximize energy production, protect equipment from overloads, and extend turbine lifespan.
Exclusive for Wind Energy: Purpose-built for wind turbine hydraulic systems, ensuring optimized performance.
Wide Displacement Range: 20.5 – 250 Vgmax ml/r, adaptable to various turbine sizes and capacities.
High Reliability: Withstands continuous operation in offshore wind farms and extreme climates.
Long Service Life: High-quality materials and wear-resistant design reduce downtime and maintenance costs.
High Efficiency: Advanced swashplate design reduces energy losses, improving turbine overall efficiency.
Low Noise: Optimized structure minimizes noise emissions, supporting quieter wind farm operations.
| Parameter | Value Range |
|---|---|
| Model | HA7V Series |
| Application | Wind Turbine Blade Control |
| Displacement (Vgmax ml/r) | 20.5 – 250 |
| Max Speed (rpm) | 1400 – 4750 |
| Max Flow (L/min) | 76 – 449 |
| Max Power (kW) | 45 – 270 |
| Rated Flow @1450rpm (L/min) | 28.2 – 351.6 |
| Rated Power @350bar (kW) | 17 – 211 |
| Control Modes | Constant Power / Pressure / Proportional / Hydraulic / Manual |
Material Selection: High-strength alloys for durability in offshore and onshore environments.
Precision Machining: Ensures smooth operation and minimal internal friction.
Heat Treatment: Enhances strength and wear resistance of critical components.
Assembly & Testing: Each pump undergoes dynamic pressure and flow tests under wind energy conditions.
Anti-Corrosion Coating: Protection against salt spray, humidity, and harsh weather exposure.
Hydraulic Oil: Use ISO VG46 or VG68 clean hydraulic oil.
Pre-Fill: Always fill pump casing before startup to prevent dry running.
System Cleanliness: Maintain NAS class 9 oil cleanliness to ensure reliable blade control.
Routine Checks: Inspect for leaks and monitor pressure levels regularly.
Maintenance: Replace oil and filters at scheduled intervals for maximum efficiency.
Warranty: 12-month warranty covering manufacturing defects.
Technical Support: Expert guidance for installation, setup, and operation.
Spare Parts: Genuine spare parts available for fast replacement.
Global Service: Worldwide service centers for quick troubleshooting and repairs.
Q1: Is the HA7V pump used for other applications?
A1: No, it is designed exclusively for wind turbine blade control.
Q2: What displacement should I select?
A2: The optimal displacement depends on turbine size and required hydraulic power. Our team can assist in configuration.
Q3: How does the HA7V perform in offshore wind farms?
A3: The pump is corrosion-protected and tested for reliability in 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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