The compact Electric Sectional Valve from Buyers Products features a compact design. Its electrical controls allow you to mount a switch in the cab and control the valve remotely. It's great for smaller trucks and plow trucks. The 12V valve is rated to a max flow of 11 GPM. It features a simple on/off (non-proportional) flow. It can handle a maximum rating of 4300 PSI when the main relief is set at a higher pressure. The main relief is adjustable from 1300 to 3000 PSI (factory preset at 2150 PSI ). Two additional adjustable port reliefs -- angle and dump -- are available to provide protection for the specific job. The valve has cylinder spools, and features load hold check in the neutral position, precision-machined and ground spools, and easily replaceable spool end seals. Additional configurations are available. Please contact Customer Service for further information.
Specifications
| Amps per Coil | 2.5 |
|---|---|
| Coil Voltage | 12 |
| Electrically Operated (y/n) | Yes |
| Inlet Port Size | 1/2 SAE ORB (-8) |
| Main Relief Setting | 1300-3000 (Set at 2150) |
| Maximum Flow Rate | 11 |
| Maximum Pressure | 3600 |
| Number of spools | 3 |
| Out Port Size | #8 |
| Outlet Port Size | 1/2 SAE ORB (-8) |
| Port Relief Angle | 1900-4300 (Set at 2150) |
| Port Relief Dump | 400-1900 (Set at 600) |
| Port reliefs ( Y/N) | No |
| Port Type | SAE |
| Power Beyond (y/n) | Yes |
| Relief (Y/N) | Yes |
| Spool Action 1 | Power Up/Gravity Down |
| Spool Action 2 | Power Up/Gravity Down |
| Spool Action 3 | Power Up/Power Down |
| Work Port Size | 1/2 SAE ORB (-8) |
Advanced Technical Overview: Electric Sectional Valve 3-Way/3-Way/4-Way/PB
The Electric Sectional Valve from Buyers Products represents a state-of-the-art hydraulic control solution engineered for demanding mobile applications. This multi-section valve, specifically configured as 3-Way/3-Way/4-Way with Power Beyond functionality, offers unparalleled versatility and precise control for complex hydraulic circuits, particularly within compact mobile equipment such as smaller utility trucks, snowplows, and various ancillary vehicle systems. Its design prioritizes robust performance, operational reliability, and ease of integration into existing or new hydraulic infrastructures.
Precision Engineering and Mechanical Integrity
At the core of this valve’s exceptional performance lies its meticulous mechanical design. The compact form factor is a result of advanced engineering principles, allowing for optimal space utilization in vehicle chassis where mounting real estate is often at a premium. Each of the three spools is precision-machined and ground to exacting tolerances. This level of manufacturing precision is critical for minimizing internal leakage, which directly translates to improved system efficiency and reduced heat generation. The finely finished surfaces of the spools ensure smooth, low-friction operation within their bores, contributing to responsive control and extended service life.
The valve's construction employs high-grade materials chosen for their durability and resistance to the harsh operating conditions typical of mobile hydraulic systems. This includes exposure to varying temperatures, pressures, and contaminants. The robust housing provides structural integrity, protecting the internal components from mechanical stresses and environmental ingress. Furthermore, the easily replaceable spool end seals are a testament to a design philosophy focused on maintainability. This feature significantly reduces downtime and simplifies routine service, allowing for quick seal replacement without requiring a complete valve overhaul, thus optimizing operational readiness and total cost of ownership.
Integrated Electrical Control System
A defining characteristic of this sectional valve is its sophisticated 12V electrical control system. Unlike traditional manually operated valves that require direct mechanical linkage, the electrical interface allows for remote actuation. This capability enables the mounting of control switches directly within the operator's cab, providing ergonomic convenience and enhanced safety by allowing precise hydraulic function control without direct physical interaction with the valve. This is particularly advantageous in environments where the valve might be located in an inaccessible or hazardous area.
The electrical solenoids are designed for efficiency, drawing a minimal 2.5 Amps per coil. This low current draw is crucial for preserving the vehicle's electrical system integrity, reducing strain on the battery and alternator, and enabling operation within typical automotive electrical power budgets. The solenoids provide a direct on/off, non-proportional flow control. While not offering variable flow modulation, this characteristic is perfectly suited for applications requiring discrete hydraulic actions, such as raising/lowering, extending/retracting, or engaging/disengaging, where simple, reliable activation is paramount. The reliability of electrical actuation also reduces the susceptibility to common issues associated with mechanical linkages, such as cable stretching, wear, or misalignment.
Comprehensive Hydraulic Performance and Protection
This Electric Sectional Valve is engineered to deliver robust hydraulic performance across a broad range of demanding applications. It is rated for a maximum flow rate of 11 GPM (Gallons Per Minute), making it ideal for systems with moderate flow requirements, ensuring adequate speed for the operation of cylinders and motors in target applications. The maximum operational system pressure is specified at 3600 PSI, indicating its capability to handle significant hydraulic forces. Notably, the components are robust enough to withstand peak pressures up to 4300 PSI when specific port reliefs are set accordingly, providing an additional margin of safety under dynamic load conditions.
Protection of the hydraulic circuit and connected actuators is paramount, and this valve incorporates a multi-tiered relief valve system. The main relief valve is adjustable over a wide range from 1300 to 3000 PSI, with a factory preset of 2150 PSI. This main relief safeguards the entire hydraulic system from excessive pressure buildup, diverting fluid back to the tank if the system pressure exceeds the set limit. This prevents damage to the pump, hoses, and other components, ensuring system longevity and operational safety.
Beyond the main relief, two specialized, adjustable port reliefs are integrated: an "Angle" relief and a "Dump" relief. The "Angle" port relief offers an adjustable range from 1900 to 4300 PSI (factory preset at 2150 PSI). This is critical for applications involving angled attachments, such as snowplows, where dynamic forces can generate significant pressure spikes. By providing dedicated protection for specific cylinder ports, it prevents over-pressurization of the actuator itself. The "Dump" port relief, adjustable from 400 to 1900 PSI (factory preset at 600 PSI), is designed to protect components associated with a dump function, like a dump bed, preventing damage from impact loads or sudden deceleration. These individually adjustable port reliefs allow for fine-tuning of protection specific to the operational requirements of each connected implement, enhancing both safety and functionality.
Versatile Spool Configurations and Multi-Way Functionality
The "3-Way/3-Way/4-Way" designation in the product title precisely describes the functional architecture of this three-spool sectional valve, offering immense flexibility for various hydraulic tasks. Each spool within a sectional valve operates independently, allowing for simultaneous or sequential control of multiple hydraulic functions.
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Spool Action 1 and 2: Power Up/Gravity Down (3-Way Functionality)
The first two spools are configured for "Power Up/Gravity Down" operation, emblematic of 3-way valve functionality. In this configuration, hydraulic pressure is actively supplied to one side of a single-acting cylinder to extend or lift it (Power Up). When the spool is shifted to its neutral or return position, the pressure supply is cut off, and the cylinder's work port is opened to the tank line, allowing the cylinder to retract or lower under the influence of gravity or external load (Gravity Down). This design is highly efficient for applications such as lifting snowplows, operating certain types of tailgate lifts, or any function where retraction force is not hydraulically required. The two separate 3-way sections provide control over two distinct single-acting hydraulic circuits, expanding the valve's utility.
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Spool Action 3: Power Up/Power Down (4-Way Functionality)
The third spool provides "Power Up/Power Down" functionality, characteristic of a 4-way valve. This configuration is essential for controlling double-acting hydraulic cylinders, which require hydraulic pressure to extend and retract. In one activated position, fluid is directed to one port of the cylinder while the other port is simultaneously connected to the tank. In the opposite activated position, the flow paths are reversed, allowing the cylinder to move in the opposite direction. This enables precise, controlled bidirectional movement and holding capability against loads in both directions. Applications include controlling the angle of a snowplow blade, operating material handlers, or any function demanding active hydraulic force for both extension and retraction.
The integration of these distinct spool actions within a single compact unit offers a powerful, multi-functional control center for complex mobile hydraulic systems.
Load Hold Check in Neutral Position
A critical safety and performance feature is the integrated load hold check valve in the neutral position for each cylinder spool. When the valve is in its neutral state, the load check valves prevent hydraulic fluid from flowing back from the actuator (e.g., a cylinder holding a load). This effectively locks the load in its current position, preventing unwanted drift or uncontrolled descent, even if the pump stops or system pressure drops. This feature is indispensable for applications involving suspended loads, ensuring operator safety and maintaining the stability of the implement, such as a raised plow or a suspended spreader, enhancing overall operational security.
Power Beyond (PB) Capability
The inclusion of a Power Beyond (PB) port is a significant advantage for expanding hydraulic system capabilities. The Power Beyond feature allows for the routing of pressurized hydraulic fluid from the outlet of this sectional valve to another hydraulic component or an additional valve bank downstream, while still returning the unused flow to the tank. This eliminates the need for separate pump connections for each hydraulic circuit, simplifying plumbing and optimizing system design. For mobile equipment with multiple hydraulic attachments or future expansion plans, the Power Beyond port ensures that additional components can be seamlessly integrated into the existing hydraulic power unit, making this valve a versatile choice for evolving operational needs.
Application Suitability and Environmental Considerations
While ideally suited for "smaller trucks and plow trucks," the robust design and feature set extend its applicability to a broader range of mobile hydraulic platforms. This includes municipal vehicles, utility service trucks, agricultural equipment, and construction mini-machinery requiring reliable, compact hydraulic control. The SAE ORB (-8) porting, with 1/2-inch inlet, outlet, and work port sizes, conforms to industry standards, facilitating straightforward hose and fitting connections, which minimizes leakage points and simplifies installation.
The operational environment for mobile hydraulic valves is often challenging, characterized by vibrations, temperature fluctuations, and potential exposure to contaminants. The design, including the precision-machined components and robust seals, is aimed at withstanding these conditions, providing long-term reliability and minimizing maintenance requirements. The 12V DC power requirement makes it directly compatible with standard vehicle electrical systems, further simplifying integration.
Conclusion and Support
The Electric Sectional Valve 3-Way/3-Way/4-Way/PB from Buyers Products stands as a testament to advanced hydraulic engineering, offering a comprehensive solution for sophisticated mobile hydraulic control. Its combination of compact design, electrical remote control, versatile spool configurations, robust pressure management, integrated safety features like load hold checks, and Power Beyond capability positions it as a superior choice for OEMs and aftermarket integrators seeking high-performance and reliable hydraulic components. With a keen focus on durability, efficiency, and ease of maintenance, this valve is designed to deliver consistent and precise control, ensuring optimal operation of connected hydraulic implements. For specific application requirements or inquiries regarding additional configurations and customization options, our dedicated Customer Service team is readily available to provide expert assistance and detailed technical specifications.
