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Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of dcv140 sectional directional control valve 350 bar in China, also supports customized service. If you're going to wholesale high quality dcv140 sectional directional control valve 350 bar made in China, welcome to get pricelist from our factory.

DCV140 Introduction

When your high-demand hydraulic system requires massive flow capacity combined with modular structural flexibility, standard valves cannot meet the challenge. The DCV140 Sectional Directional Control Valve 350 Bar is engineered specifically for large mobile machinery, heavy construction equipment, and industrial hydraulic systems requiring superior fluid distribution. Featuring a robust stackable design that supports 1 to 12 sections, a nominal flow of 140 L/min, and an exceptional working pressure of up to 350 bar (35 MPa), this valve ensures absolute control and reliability under extreme operating conditions.

DCV140 specifications

Parameter	Value
Valve Structure	Sectional Valve
Nominal Flow	140L/min
Max pressure	350 bar
Valve Sections	1 to 12 Sections
Control Methods	Manual, Pneumatic, Electro-Hydraulic
Pressure Medium	Mineral oil-based hydraulic oil
Ambient Temperature	-40°C to +80°C (-40°F to +176°F)
Surface Treatment	Phosphating treatment with 48-hour neutral salt spray rustproof rating

DCV140 Sectional Directional Control Valve 350 Bar Advantages

1. High-Volume Fluid Throughput without Thermal Loss

Handling a nominal flow of 140 L/min (37 US gpm), the DCV140 features widened internal oil galleries engineered to minimize dynamic flow resistance. Unlike smaller sectional valves that choke high-displacement pumps, the DCV140 ensures rapid fluid delivery to large-bore cylinders while keeping hydraulic fluid temperatures low during extended heavy-duty duty cycles.

2. Extreme 350-Bar System Structural Integrity

Designed to withstand severe pressure spikes in heavy machinery, the thick-walled cast body comfortably holds continuous 350 bar (35 MPa) working pressure. Combined with an advanced anti-corrosion phosphating finish (48-hour neutral salt spray compliant), the valve prevents housing flexing, internal oil blow-by, and environmental degradation in harsh mining or coastal environments.

3. Custom Multi-Spool Circuit Scalability (1–12 Sections)

The stackable sectional build allows equipment engineers to configure complex hydraulic circuits from 1 to 12 spools in a single assembly. With integrated overload protection and anti-cavitation secondary valves, each section can be tailored to handle independent functions, giving machine designers total layout autonomy.

4. Multi-Actuation Versatility for Automation & Manual Pilot

Whether your heavy machinery relies on direct mechanical hand levers, pneumatic remote shifting, or electro-hydraulic proportional pilot control, the DCV140 integrates seamlessly. This adaptiveness simplifies the retrofit of legacy equipment or the development of modern automated fluid power machinery.

Applications

Engineered for High-Flow, Heavy-Duty Machinery

Thanks to its massive 140 L/min flow rating and high-pressure endurance, the DCV140 is purpose-built for large-scale equipment where smaller capacity valves fail or cause severe flow restriction. Typical heavy-duty applications include:

Heavy-Duty Construction & Earthmoving Equipment:

Main and auxiliary hydraulic loops on 20+ ton excavators, large wheel loaders, high-capacity mobile cranes, and concrete boom pumps requiring uninterrupted high-volume oil delivery.

Specialized Drilling, Mining & Tunneling Rigs:

Deep-hole rotary drilling rigs, underground mining trucks, rock bolting machines, and heavy exploration crawlers operating under continuous peak loads.

Heavy Municipal, Port & Forestry Machinery:

High-capacity hook-lift trucks, large-scale refuse compactors, timber forwarders, and heavy harbor crane attachments.

Onederful® service

24/7 Fast Response: Immediate technical assistance and engineering consultation.
15-Day Fast Dispatch: Streamlined production workflows ensuring short lead times.
Custom OEM Services: Laser-etched nameplates, custom color painting, and tailored export packaging.
Hassle-Free Warranty: Complete technical drawings, installation guides, and after-sales support.

Frequently Asked Questions (FAQ)

1. What type of applications are best suited for the DCV140 Sectional Directional Control Valve?

The DCV140 Sectional Directional Control Valve is ideal for heavy-duty mobile machinery requiring a high nominal flow of 140 L/min and operating pressures up to 350 bar, such as large excavators, drilling rigs, and heavy sanitation trucks.

2. Can I combine different control methods on a single DCV140 valve assembly?

Yes. Thanks to its modular sectional design supporting 1 to 12 sections, individual spools can be configured with manual, pneumatic, or electro-hydraulic controls to suit your machine's exact requirements.

3. How does the DCV140 protect against rust and corrosion in outdoor environments?

Each valve body undergoes specialized phosphating surface treatment and successfully passes a 48-hour neutral salt spray test, ensuring exceptional corrosion resistance in wet or harsh climates.