LD-A4VSO180 180cc High Pressure Open Circuit Variable Piston Pump | EO2 Electric Proportional Control HYDSUNRIDA

LD-A4VSO180 180cc High Pressure Open Circuit Variable Piston Pump | EO2 Electric Proportional Control HYDSUNRIDA

 HYDSUNRIDA LD-A4VSO180 180cc open circuit piston pump, 350bar rated & 400bar peak pressure, EO2 electric proportional control, 1:1 imported pump replacement, factory direct supply for automated heavy-duty machinery.LD-A4VSO180 high-pressure open circuit variable piston pump with 180cc displacement and EO2 electric proportional control. High-precision electronic flow regulation, full through-drive design, ideal for automated metallurgical, construction, mining and marine hydraulic system replacement.

1. Product Overview

LD-A4VSO180 is a heavy-duty open-circuit variable piston pump with 180cc large displacement. Rated at 350bar (400bar peak), it supports 24/7 full-load continuous operation with precise EO2 electric proportional control.It adopts standard 30-series mounting structure, achieving 1:1 non-destructive replacement of imported pumps. Factory direct supply eliminates middleman costs with reliable after-sales support.

2. Quality Certification & Testing

Certified with ISO9001 & SGS, all pumps fully comply with international industrial hydraulic standards for stable and consistent quality.Every unit undergoes strict pressure, stability, leakage and endurance tests to ensure jitter-free and pressure-stable performance under long-term heavy loads.

3. Core Technical Parameters & Control Modes

3.1 Basic Specifications

• Rated Displacement: 180 ml/r (Large displacement for heavy-duty automation equipment)

• Nominal Pressure: 350 bar

• Peak Pressure: 400 bar

• Max Speed: 2200 rpm

• Net Weight: 103Kg

• Oil Port Layout: Dual-side arrangement

• Rotation Direction: R (Clockwise)

• Applicable Circuit: Open hydraulic circuit

• Through-Drive Feature: 100% full through-shaft series drive available

• Warranty: 12-month complete machine warranty

3.2 Control Mode

• EO2 Electric Proportional Control: 0-10V stepless electronic flow regulation, supports remote control and PLC closed-loop adjustment, featuring fast response and high precision for automated systems

4. Core Advantages

4.1 Full Displacement Coverage & Strong Versatility

As a core heavy-duty model of the A4VSO30 series, it delivers sufficient power reserve for large presses, shield machines and mining equipment with high universal matching.

4.2 High-Precision EO2 Electronic Control

Integrated EO2 proportional valve enables precise stepless regulation. Compatible with PLC intelligent systems, it realizes closed-loop flow and pressure control for automated and unmanned devices.

4.3 Reinforced Structure for Continuous Operation

Reinforced housing and upgraded core friction pairs resist high pressure, high temperature and impact. No pressure drop or excessive leakage occurs during long-term continuous operation.

4.4 Energy-Saving & Low-Noise Operation

Precision swashplate ensures linear flow output with real-time load adaptation, reducing no-load energy consumption. Optimized flow channel structure lowers operating noise effectively.

4.5 1:1 Zero-Modification Replacement

Fully compatible with 30-series standard dimensions. Direct replacement without equipment modification, saving renovation time and operational costs.

4.6 Harsh Environment Adaptability

Upgraded heavy-duty composite bearings withstand compound impact loads, adapting to dust, high-low temperature and salt spray harsh working environments.

4.7 Flexible Multi-Pump Expansion

100% through-shaft design supports multi-pump series combination, enabling flexible expansion of high-power multi-circuit hydraulic power units.

4.8 Factory Direct Supply & Full Service

Factory direct supply with competitive pricing and ample spot stock. Full-process technical support covers model selection, installation guidance and professional after-sales service.

5. Full Series Standard Models (LD Upgrade Version)

LD upgraded version features higher electronic control precision, better stability and stronger durability than standard original pumps.LD-A4VSO180EO2/30R-PPB25N00-LD, LD-A4VSO180EO2/30L-PPB25N00-LD, LD-A4VSO180DR/30R-PPB25N00-LD, LD-A4VSO180DRG/30R-PPB25N00-LD, LD-A4VSO180DFR1/30R-PPB25N00-LD, LD-A4VSO180LR2/30R-PPB25N00-LD, LD-A4VSO180HS4/30R-PPB25N00-LD, LD-A4VSO180EP1/30R-PPB25N00-LD

6. Application Fields

Suitable for automated metallurgy, shield tunneling, mining, port & marine and heavy agricultural machinery. Ideal for imported pump replacement and domestic intelligent hydraulic system upgrading.