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 |
| Application | Other,Metering,oil,Sewage,hydraulic jack etc |
| Pressure | High Pressure,Low Pressure,25MPa,less than 44mpa |
| Structure | Piston Pump,Single-stage Pump,Diaphragm Pump,Gear Pump,Vane Pump |
| Power | Hydraulic,Electric,Pneumatic,7.5KW to 75KW,Other |
| Fuel | Diesel,electric,hydraulic oil,Other,standard 380V 50Hz 3phase |
| Theory | Rotary Pump,Centrifugal Pump,Reciprocating Pump,Electromagnetic Pump,Other |
| Standard or nonstandard | Standard |
| Warranty | 1 Year,12 Months |
| Material | Steel,Aluminum Alloy,Cast Iron,Casting Iron,304SS |
| Type | hydraulic gear pump,electric water pump,Rotary,high pressure jet grouting pumps,diesel pump |
| Product name | High pressure micro hydraulic pumps for logsplitter,hydraulic diaphragm metering pump,Model High Pressure Hydraulic Manual Pumps,High pressure hydraulic hand pumps,Compression machine |
| Color | black，blue |
| Voltage | 380V,220v/50hz,415V,etc are all available,220V |
| Oil capacity | 2200 ml,2.2L,901ml |
| Feature | High Efficiency,Long Life,Waste water treatment for house septic tank or flood,Low Noise |
| Brand Name | KERSTERN |
| Model Number | A4VG90 |
| 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 |
| Application | Other,Metering,oil,Sewage,hydraulic jack etc | Pressure | High Pressure,Low Pressure,25MPa,less than 44mpa |
| Structure | Piston Pump,Single-stage Pump,Diaphragm Pump,Gear Pump,Vane Pump | Power | Hydraulic,Electric,Pneumatic,7.5KW to 75KW,Other |
| Fuel | Diesel,electric,hydraulic oil,Other,standard 380V 50Hz 3phase | Theory | Rotary Pump,Centrifugal Pump,Reciprocating Pump,Electromagnetic Pump,Other |
| Standard or nonstandard | Standard | Warranty | 1 Year,12 Months |
| Material | Steel,Aluminum Alloy,Cast Iron,Casting Iron,304SS | Type | hydraulic gear pump,electric water pump,Rotary,high pressure jet grouting pumps,diesel pump |
| Product name | High pressure micro hydraulic pumps for logsplitter,hydraulic diaphragm metering pump,Model High Pressure Hydraulic Manual Pumps,High pressure hydraulic hand pumps,Compression machine | Color | black，blue |
| Voltage | 380V,220v/50hz,415V,etc are all available,220V | Oil capacity | 2200 ml,2.2L,901ml |
| Feature | High Efficiency,Long Life,Waste water treatment for house septic tank or flood,Low Noise | Brand Name | KERSTERN |
| Model Number | A4VG90 | Certification | SIO9001 |
| Place of Origin | China | ||
| High Light | A4VG90EP3 High Pressure Hydraulic Pump ，350 Bar High Pressure Hydraulic Pump ，Conveying Systems axial variable displacement pump | ||
The A4VG90EP3 is a high-performance variable axial piston hydraulic pump, designed exclusively for conveying systems that demand reliable power, high efficiency, and continuous operation. With a maximum speed of 3000 rpm and high-pressure capacity, this pump ensures stable hydraulic power supply for industrial conveying equipment operating under heavy-duty conditions. Its robust construction, advanced control technology, and precision filtration make it a preferred choice for long-term use in material handling and transport systems.
Belt Conveyors: Provides reliable hydraulic drive power for long-distance material transport.
Chain Conveyors: Ensures consistent pressure and flow for heavy-duty conveying operations.
Roller Conveyors: Powers roller-based transport systems in warehouses and factories.
Bulk Material Systems: Ideal for mining, cement, and metallurgical conveying processes.
High Pressure Output: Rated up to 350 bar, suitable for demanding conveying environments.
Variable Displacement Control: EP3 electronic proportional valve for precise hydraulic adjustment.
High Efficiency: Reduced energy loss, ensuring stable and cost-effective operation.
Durable Materials: Constructed with steel and aluminum alloys for long service life.
Low Noise Operation: Optimized internal design for quieter working environments.
Advanced Filtration: Integrated oil filtration system with 10 μm precision for extended component life.
| Attribute | Value |
|---|---|
| Model Number | A4VG90EP3DM1/32L-NSD10F07 |
| Displacement | 90ml/r |
| Rotation Direction | Levorotation |
| Work Mode | Closed circuit |
| Rated Speed | 3000rpm |
| Maximum Speed | 3300rpm |
| High Pressure Overflow | 445bar |
| Cut-Off Pressure | 350bar (adjustable) |
| Housing Pressure | Max 2bar / Peak 5bar |
| Oil Suction Pressure | Min 0.8bar / Max 5bar |
| Replenishment Pressure | 25bar |
| Slippage Pump Output | 18ml/r |
| Control Mode | Electrical proportional (DC12V) |
| Filter Precision | 10 μm |
Material Selection – High-strength steel and aluminum alloys.
Precision CNC Machining – Ensures dimensional accuracy and performance.
Heat Treatment – Enhances wear resistance and durability.
Assembly & Testing – High-pressure testing for reliability.
Surface Protection – Anti-rust and anti-dust treatment for long-term use.
Fill the casing with clean hydraulic oil before operation.
Maintain oil cleanliness at NAS level 9 or better.
Protect input shaft and mounting flange with rust inhibitors.
Avoid heavy impacts during transportation and installation.
Regularly monitor pressure and oil quality for stable operation.
Warranty: 12 months against manufacturing defects.
Technical Support: Installation, commissioning, and maintenance guidance.
Spare Parts: Genuine replacement parts available for quick delivery.
Repair Services: Global after-sales network for timely assistance.
Q1: Can the A4VG90EP3 be used outside of conveying systems?
A1: This model is optimized only for conveying applications to ensure peak performance.
Q2: What type of hydraulic oil should be used?
A2: ISO VG46 or VG68 hydraulic oil is recommended with strict cleanliness standards.
Q3: Is the cut-off pressure adjustable?
A3: Yes, it can be adjusted up to 350 bar depending on system requirements.
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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