Parker Hannifin manual Ordering Information Work Sections VO40 Spool Function

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Catalog HY17-8505/UK

Open-Center Directional Control Valve

Ordering Information – Work Sections

VO40

 

 

 

 

 

 

 

 

 

 

 

 

 

[60] – Spool Function

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

Double-acting (4-way) spool. Work ports blocked in the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

neutral position.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EA Single-acting (3-way) spool. Port “A” blocked in neutral.

Port “A” is active and Port “B” is plugged.

EB Single-acting (3-way) spool. Port “B” blocked in neutral.

Port “B” is active and Port “A” is plugged.

M Double-acting (4-way) spool. Work ports open to tank in the neutral position. Note: A work section with this spool does not have a transition check (load check).

F Double-acting (4-way) spool with a 4th position in which both work ports are connected to tank (float position). Work ports are blocked in the neutral position.

DM Double-acting (4-way) spool. Work port pressure is bled to tank, when the spool is in the neutral position.

Bleed notch is designed for 1.9 LPM @ 69 bar.

(0.5 GPM @1000 PSI)

DA Double-acting (4-way) spool. Work port “A” pressure is bled to tank, when the spool is in the neutral position.

Bleed notch is designed for 0.5 GPM @1000 PSI.

(1.9 LPM @ 69 Bar)

DB Double-acting (4-way) spool. Work port “B” pressure is bled to tank, when the spool is in the neutral position.

Bleed notch is designed for 0.5 GPM @1000 PSI.

(1.9 LPM @ 69 Bar)

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Parker Hannifin Corporation

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Contents VO40 Open-Center Directional Control Valve VO40 Offer of SaleContents VO40 Conversion factors Total Machine Motion Control Introduction VO40 Breadth of LineIntroduction VO40 State-of-the-Art Manufacturing Customer Service with a Global ReachBenefits Open-Center Directional Control ValveTechnical Information VO40 General Description OperationConnections Technical Information VO40 SpecificationsWeights Technical Information VO40 Performance Curves Environmental CharacteristicsCircuit Types Tandem Circuit Priority Technical Information VO40 Circuit Types Parallel CircuitAssembly Dimensions VO40Dual Actuator Handle Rod Dimensions Mechanical JoystickPneumatic Actuator Push Handle 140 Inlet Cover Portion of Spec SheetExample Inlet Cover Sect #1 Customer Designated ID Enter Customer Part Number Connections ThreadSurface Treatment Paint 24 to 27 Inlet Porting Options Ordering Information Inlet Cover VO40Max Pump Flow Type of InletOrdering Information Inlet Cover VO40 Main Relief Options 17C Relief Flow SettingTop and Side Oulet Ports Ordering Information Outlet Cover VO40Type of Outlet US Standard 33 to 35 Outlet Porting OptionsPower-Beyond Closed-Center Work Section Circuitry Ordering Information Work Sections VO40Detent in a position and spring centering Ordering Information Work Sections VO40 Spool ActuatorsDetent in neutral and a positions Spring centered with in detentSpool Position Indication 51C Spool Clevis or Handle Bracket LocationOrdering Information Work Sections VO40 Spool Function Spacer Section 76 A/B Work Port Valves88 A/B Work Port Option Main Pressure Relief 98C Mid-Inlet Relief Flow SettingOrdering Information Mid-Inlet VO40 Mid Inlet OptionsParker Hannifin FormExtensive Hydraulic Product Offering Hydraulics Group Sales Offices

VO40 specifications

Parker Hannifin's VO40 is a sophisticated and versatile hydraulic valve that has garnered attention for its innovative design and wide-ranging applications. Designed to meet the increasing demands for efficiency and reliability in various industrial and mobile machinery, the VO40 series exemplifies Parker's commitment to providing high-performance solutions.

One of the primary features of the VO40 is its compact design, which allows for easy integration into systems with limited space. This is accomplished without sacrificing performance, as the valve delivers exceptional flow rates, which can significantly enhance the efficiency of hydraulic systems. The VO40's multi-functionality enables it to serve diverse roles, from directional control to flow regulation, making it suitable for a variety of hydraulic applications.

The VO40 utilizes advanced technologies, including modular construction, which provides flexibility for different system configurations. This modularity allows users to customize the valve to their specific requirements, whether they need a simple on/off control or more complex, proportional flow regulation. The valve's design also incorporates electronic control capabilities, enabling users to achieve precise movements and optimize system performance.

In terms of materials, the VO40 is constructed from robust components to withstand high-pressure operations and harsh environments. The valve's sealing technology is engineered for durability and reliability, minimizing the risk of leaks and prolonging the service life of the product. This reliability is a critical factor in reducing maintenance costs and ensuring operational continuity in demanding applications.

Another significant characteristic of the VO40 is its ease of installation and maintenance. The design allows for quick assembly and disassembly, which is crucial for minimizing downtime during maintenance activities. Additionally, the valve features diagnostic capabilities, enabling operators to monitor performance and address potential issues proactively.

In conclusion, the Parker Hannifin VO40 hydraulic valve stands out in the marketplace due to its compact size, modularity, advanced electronic controls, and robust construction. Its design and technology make it an ideal choice for users seeking reliable and efficient solutions for their hydraulic systems. By integrating the VO40 into their operations, companies can enhance productivity while ensuring a long-lasting, low-maintenance hydraulic solution.
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