Shandong Keystone Hydraulic Co.,Ltd
Product Details
Place of Origin: China
Brand Name: KERSTERN
Certification: SIO9001
Model Number: A4VG90
Payment & Shipping Terms
Minimum Order Quantity: 5
Price: Negotiable
Packaging Details: Wooden boxes and cartons
Delivery Time: 7 work days
Payment Terms: T/T
Supply Ability: 5,000 units per month
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 |
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 |
The A4VG90EP3 variable axial piston hydraulic pump is a high-performance closed-circuit pump designed exclusively for large injection molding machines. With a maximum speed of 3000 rpm, it delivers reliable hydraulic power for high-pressure, heavy-duty plastic manufacturing processes. Featuring robust construction with steel and aluminum alloy components, the A4VG90EP3 offers long service life, superior energy efficiency, and stable operation under demanding industrial conditions.
Large Injection Molding Machines: Provides precise hydraulic power for clamping, injection, and plasticizing stages.
Plastic Manufacturing Plants: Ensures stable, high-pressure performance in continuous production environments.
Industrial Automation: Integrated into hydraulic systems requiring constant, adjustable, and efficient energy supply.
High Efficiency: Variable displacement control reduces energy consumption and increases overall productivity.
High Pressure Capacity: Cut-off pressure up to 350 bar, with overflow settings reaching 445 bar, suitable for heavy-duty injection processes.
Durable Design: Steel and aluminum alloy construction ensures reliability in continuous operation.
Low Noise Operation: Optimized internal design minimizes noise, improving factory working conditions.
Long Service Life: Advanced wear-resistant components and integrated filtration extend operating life.
| Attribute | Value |
|---|---|
| Model Number | A4VG90EP3DM1/32L-NSD10F07 |
| Displacement | 90 ml/r |
| Rated Speed | 3000 rpm |
| Maximum Speed | 3300 rpm |
| High Pressure Overflow | 445 bar |
| Cut-Off Pressure | 350 bar (adjustable) |
| Housing Pressure | Max: 2 bar |
| Oil Suction Pressure | Min: 0.8 bar |
| Replenishment Pressure | 25 bar |
| Auxiliary Pump Output | 18 ml/r |
| Control Mode | Electric proportional valve, DC 12V |
| Filtration Precision | 10 μm |
Material Selection – High-strength steel and aluminum alloy.
Precision Machining – CNC production ensures dimensional accuracy.
Heat Treatment – Improves hardness and wear resistance.
Assembly – Strict contamination control during production.
Testing – High-pressure testing and performance validation.
Surface Protection – Anti-rust and dust-proof treatment.
Fill the casing with clean hydraulic oil before operation.
Maintain oil cleanliness at NAS level 9.
Avoid mechanical shock on the input shaft during installation.
Protect exposed ports from dust contamination during assembly.
Regularly monitor system pressure and oil quality for long-term stability.
Warranty: 1 year against manufacturing defects.
Technical Support: Remote and on-site installation guidance.
Spare Parts: Genuine accessories available for fast replacement.
Maintenance Service: Professional global after-sales network.
Q1: Is the A4VG90EP3 suitable for other applications besides injection molding?
A1: This model is specifically optimized for large injection molding machines to ensure precise hydraulic performance.
Q2: What hydraulic oil is recommended?
A2: ISO VG46 or VG68 hydraulic oil, with cleanliness maintained at NAS ≤ 9.
Q3: How often should the filter be replaced?
A3: It is recommended to check oil filters regularly and replace them every 6 months or sooner under harsh operating conditions.
