A4VG90EP3 Axial Piston Hydraulic Pump for Firefighting Vehicles

The A4VG90EP3 axial piston variable hydraulic pump is a high-performance closed-circuit pump engineered exclusively for firefighting vehicles. With a maximum speed of 3000 rpm and high-pressure capability up to 35MPa, this pump delivers reliable hydraulic power for fire trucks that demand stability, durability, and rapid response in emergency operations. Constructed from robust steel and aluminum alloy materials, the A4VG90EP3 ensures long service life, energy efficiency, and consistent performance under high-pressure firefighting conditions.

Applications

• Firefighting Vehicles: Provides powerful hydraulic energy to drive pumps, ladders, water cannons, and auxiliary firefighting equipment.

• Emergency Rescue Operations: Ensures stable hydraulic supply for critical life-saving systems.

• Municipal Firefighting Fleets: Optimized for long-term heavy-duty use with minimal downtime.

Advantages

• High Efficiency: Variable displacement with electric proportional control (EP3) reduces energy consumption and optimizes performance.

• High Pressure Output: Rated pressure of 350 bar with a maximum overflow up to 445 bar.

• Durability: Built with corrosion-resistant steel and aluminum alloy, designed for harsh environments.

• Low Noise: Reduced operating noise improves the working conditions for firefighting crews.

• Long Service Life: Integrated oil filtration and advanced sealing extend operational reliability.

Technical Specifications

Manufacturing Process

1. Selection of high-strength steel and aluminum alloy.

2. CNC precision machining for dimensional accuracy.

3. Heat treatment for enhanced wear resistance.

4. Assembly with anti-contamination protection.

5. High-pressure performance testing before delivery.

Usage Instructions

• Fill the casing with clean hydraulic oil before operation.

• Maintain oil cleanliness at NAS level 9 or better.

• Avoid strong mechanical impacts on the transmission shaft during transport.

• Protect exposed surfaces and nameplate during painting or assembly.

• Regularly monitor oil condition, pressure, and filter performance.

After-Sales Service

• Warranty: 12 months against manufacturing defects.

• Technical Support: Expert guidance for installation and maintenance.

• Spare Parts: Genuine replacement parts available worldwide.

• Service Network: Professional maintenance team for quick response.

FAQ

Q1: Is the A4VG90EP3 suitable for all fire truck models?
A1: Yes, it is designed specifically for firefighting vehicles and integrates seamlessly with most fire truck hydraulic systems.

Q2: Can the pressure be adjusted for different firefighting tasks?
A2: Yes, the cut-off pressure is adjustable up to 350 bar.

Q3: What type of hydraulic oil should be used?
A3: Recommended ISO VG46 or VG68 hydraulic oil with high cleanliness standards.