DCV140 Hydraulic Valve for Cranes Mining Equipment

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Product details

DCV140 Hydraulic Valve for Cranes & Mining Equipment

Product Overview

DCV140 sectional hydraulic valve is a heavy-duty modular hydraulic valve engineered for mobile cranes, mining machinery and other rugged heavy equipment. As a reliable hydraulic valve, it precisely regulates hydraulic oil flow, direction and pressure within the hydraulic system to deliver powerful, coordinated multi-action control for your Machine. Its sectional modular design supports flexible spool combinations ranging from 1 to 12 sections, which can be customized to handle complex lifting, slewing and digging functions of cranes and mining machines.

Technical Specifications

- Rated flow: 140 L/min

- Max working pressure: 350 bar (5075 psi)

- Spool quantity: 1~12 sections, customizable

- Control modes: manual lever, cable remote, pneumatic, hydraulic, electro-hydraulic control

- Circuit type: parallel circuit / load sensing circuit optional

- Built-in components: main pressure relief valve, individual load check valve, anti-cavitation valve per section

- Operating temperature: -30℃ ~ +70℃

- Port thread: G, NPT, UNF, SAE thread optional

Working Principle

This hydraulic valve routes pressurized hydraulic fluid from the hydraulic system to different actuators of the Machine. Each spool independently controls movements such as boom hoisting, arm extension, bucket operation and slewing. The built-in load check valve securely locks loads and prevents sudden load dropping when the control handle returns to neutral. The optional load-sensing function automatically adjusts oil supply according to actual load demand, reducing power loss and heat generation in the hydraulic system under continuous heavy-duty mining and lifting cycles.

Core Advantages

1. Heavy-duty high-flow design: 140L/min rated flow, stable performance under continuous heavy load for cranes and mining equipment.

2. Modular sectional assembly: easy to add or remove valve sections, convenient for field maintenance and spare parts replacement.

3. Precision machined spools: low internal leakage, smooth compound operation and minimal impact for frequent multi-function actions.

4. Excellent dirt and vibration resistance: high-strength cast valve body, built to withstand dusty, vibrating mining sites and harsh outdoor working conditions.

5. Integrated safety protection: built-in relief, overload and anti-cavitation valves protect the hydraulic system and machine components from pressure shock and overload failure.

Application Range

Perfectly suited for truck-mounted cranes, mobile cranes, mining drill rigs, underground mining equipment, material handlers and other heavy-duty mobile Machine. Widely used in mining, quarrying, heavy lifting and construction industries.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system

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