Original Doosan Rexroth Small Pumps

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Product details

Rexorth AP2D18 Hydraulic Variable Displacement Pump

Variable displacement pump AP2D for mini excavator has many available to special needs of this application.Double pump with one cylinder block. Optional :
with power shift depend on third pump's pressure- Through drive possibility for mounthing third pump or pilot pump. Optional :Built in solenoid valve for pilot line or low pressure relief valve.

Original Doosan Rexroth Small Pumps AP2D-25 / AP2D-28

1. Product Overview

• Brand & Origin: Manufactured byRexroth(a Bosch Rexroth brand) forDoosanexcavators, ensuring OEM-grade quality and compatibility.

• Model Numbers:

• AP2D-25

• AP2D-28

• Application: Specifically designed forDoosan 55andDoosan 60excavator models.

2. Technical Specifications

【表格】

Feature Details

Type Axial piston pump (column type)

Flow Rate Proportional to drive speed and displacement

Pressure Rating Up to 280 bar (continuous operation)

Installation Interface ISO standard mounting flange

Leakage Oil Ports Two shell leakage oil ports

Noise Level Low-noise design

Drive Shaft Load Capable of handling axial and radial loads

Power-to-Weight Ratio High efficiency

Control Modes Wide range of control options available

3. Key Features

• Self-Priming Capability: Can self-prime up to 500 mm (but not recommended for suction lines with filters).

• Lubrication Requirement: For speeds exceeding 1500 rpm, a supply pressure of approximately 0.7 MPa is recommended.

• System Compatibility:

• Open-Circuit Systems: Supply pump flow should be 130% of the pump’s flow rate.

• Closed-Circuit Systems: Supply pump flow should be 35% of the pump’s flow rate.

• Material & Construction: Cast iron construction for durability and reliability.

4. Applications

• Primary Use: Powering the hydraulic systems ofDoosan 55andDoosan 60excavators.

• Industries Served: Construction, mining, quarrying, and general heavy machinery operations.

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