Catalog HY17-8505/UK

Open-Center Directional Control Valve

Ordering Information – Work Sections

VO40

 

 

[62] – Piston Head Side of Cylinder

The default for this field is code M. Codes A and B are only used when asymmetrical spools must be developed. For example, a cylinder that requires meter-in for one direction and meter-out for the other.

MStandard symmetrical spool- cylinder or motor.

APiston head connected with port “A”.

BPiston head connected with port “B”.

[76 A/B] – Work Port Valves

Anti-Cavitation

RV/AC Non-Adjustable

Check

 

This pertains to the work port accessory options.

/Port not machined.

Y2 Relief Valve cavity plugged.

N2 Anti-cavitation valve.

( ) RV/AC Non-Adjustable: Enter Pressure setting (PSI or Bar). Note: RV Set at 10 LPM (2.6 GPM).

C2 Pilot-Operated Checks (Lock-out valve). Refer to page 16.

Y plug for blocking

RV cavity

[88 A/B] – Work Port Option

/No Restrictor.

Work port restrictors restrict flow in one direction and are free flow in the opposite direction.

Restrict flow “out” of actuator “into” work port.

P1 = 1mm (0.040")

ACTUATOR

P2

= 2mm (0.080")

METER OUT

 

 

 

P3 = 3mm (0.120")

 

 

FREE

 

 

P4

= 4mm (0.160")

 

 

 

 

 

 

 

 

 

 

 

Restrict flow “out” of work port “into” actuator.

N1 = 1mm (0.040")

ACTUATOR

 

 

N2

= 1mm (0.080")

METER IN

 

 

FREE

 

 

N3

= 1mm (0.120")

 

 

 

 

 

N4 = 1mm (0.160")

 

 

 

 

 

 

 

 

 

 

 

[90] – Spacer Section

NSpacer Section.

This section connects the open center, parallel path and tank cores between two adjacent work sections. This section is used to provide additional spacing between two work sections. All other fields in the work section code can be left blank. (Contact Parker for size options available.)

TANK

OPEN CENTER

TANK

OPEN

CENTER

PARALLEL PATH

PARALLEL PATH

20

Parker Hannifin Corporation

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Parker Hannifin VO40 manual 76 A/B Work Port Valves, 88 A/B Work Port Option, Spacer Section

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.