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) | Yes |
| Port Type | SAE |
| Power Beyond (y/n) | Yes |
| Relief (Y/N) | Yes |
| Spool Action 1 | Power Up/Gravity Down |
| Spool Action 2 | Power Up/Power Down - 2 Port Relief |
| Spool Action 3 | Power Up/Power Down - 1 Port Relief |
| Work Port Size | 1/2 SAE ORB (-8) |
The Electric Sectional Valve from Buyers Products represents a robust and highly adaptable solution for precise hydraulic control in a diverse range of mobile and industrial applications. Engineered for optimal performance in demanding environments, this valve integrates advanced electrical control with a modular sectional design, delivering unparalleled flexibility, reliability, and operator convenience. Its compact form factor, coupled with a comprehensive suite of technical features, positions it as an ideal choice for enhancing the functionality and efficiency of hydraulic systems in smaller trucks, plow trucks, and various light-duty machinery requiring precise fluid power management.
At its core, this hydraulic valve leverages a sectional design, a critical attribute indicated by its "Sectional Valve" designation. Unlike monoblock valves, a sectional valve is constructed from individual work sections, an inlet section, and an outlet section, bolted together. This modularity is a significant advantage, allowing for custom configurations, ease of maintenance, and the potential for future expansion or modification of hydraulic circuits without replacing the entire valve assembly. The present configuration features three spools, enabling control over multiple hydraulic functions from a single valve bank. This inherent flexibility simplifies system design, reduces plumbing complexity, and optimizes space utilization, particularly crucial in vehicles with limited mounting options.
The "Electric" aspect of this valve refers to its solenoid actuation, driven by a 12V electrical system with a nominal current draw of 2.5 Amps per coil. This electrical control mechanism is a cornerstone of modern hydraulic systems, offering significant operational benefits. Remote control capabilities allow operators to actuate hydraulic functions from the comfort and safety of the vehicle cab, improving ergonomics and reducing the need for direct interaction with potentially hazardous machinery. The simple on/off (non-proportional) flow characteristic ensures reliable and predictable operation, making it suitable for applications where precise speed control is not the primary requirement but rather dependable full-flow or no-flow states are essential. This direct, positive actuation minimizes response times, enhancing productivity and operator confidence. The electrical interface also simplifies integration with existing vehicle electrical systems, contributing to a streamlined installation process and potential for advanced control system integration.
Performance specifications underscore the valve's capability. With a maximum flow rate of 11 GPM (Gallons Per Minute), it is perfectly suited for applications requiring moderate hydraulic power, such as operating snowplows, salt spreaders, small cranes, or utility attachments. The valve's robust construction allows it to handle a maximum system operating pressure of 3600 PSI (Pounds per Square Inch). While the valve components are designed to withstand transient pressure spikes up to 4300 PSI, the 3600 PSI rating represents the recommended continuous operating pressure for optimal system longevity and safety. This high-pressure capability ensures that the valve can perform reliably under significant load conditions, providing ample power for demanding tasks.
Pressure management and system protection are paramount in hydraulic design, and this valve incorporates sophisticated relief mechanisms. A critical component is the main relief valve, which is adjustable within a broad range of 1300 to 3000 PSI, with a factory preset of 2150 PSI. The main relief valve serves as the primary safeguard for the entire hydraulic system, preventing over-pressurization by diverting excess fluid back to the reservoir when the system pressure exceeds the set limit. This not only protects the pump and other components from damage but also ensures consistent and safe operation. The adjustability allows technicians to fine-tune the system pressure to match the specific requirements of the application, optimizing performance and extending the lifespan of connected hydraulic actuators.
Beyond the main relief, the valve is equipped with additional adjustable port reliefs, specified as "angle" and "dump" reliefs. These auxiliary relief valves provide localized protection for individual work ports, addressing specific load conditions that might arise within a particular circuit. The "angle" port relief, adjustable from 1900 to 4300 PSI (factory preset at 2150 PSI), is often configured for functions that encounter high transient loads or require higher peak pressures, such as angling a plow blade or manipulating heavy implements. The "dump" port relief, with a lower adjustable range of 400 to 1900 PSI (factory preset at 600 PSI), is typically used for applications requiring rapid pressure release or where lighter loads are involved, such as the initial movement of a dump body or specific auxiliary functions. The inclusion of these independently adjustable port reliefs allows for granular control and enhanced protection of the hydraulic cylinders or motors connected to each work section, preventing damage due to unexpected load spikes or external forces.
The valve's internal mechanics are designed for durability and efficiency. It features precision-machined and ground spools, which are critical for smooth operation, minimal internal leakage, and extended service life. The tight tolerances achieved through precision manufacturing ensure consistent performance and prevent premature wear. The spools are designed as "cylinder spools," typically meaning they control the flow to and from double-acting hydraulic cylinders, allowing for both powered extension and retraction. A crucial safety and operational feature is the "load hold check in the neutral position." This mechanism prevents the connected hydraulic cylinder or motor from drifting when the valve is in its neutral position, ensuring that loads remain securely held until commanded to move. This enhances safety, particularly in applications where heavy loads are being lifted or positioned, and prevents uncontrolled movement of implements.
Maintenance considerations are addressed through easily replaceable spool end seals. Over time, seals can degrade due to wear, heat, or exposure to hydraulic fluid contaminants. The ability to easily replace these seals minimizes downtime and simplifies routine maintenance, contributing to the overall longevity and cost-effectiveness of the valve. This design choice reflects a commitment to serviceability and reducing total cost of ownership for end-users.
The product title indicates "3-Way/4-Way" functionality, referring to the types of spools or flow paths available. A 3-way valve typically controls a single-acting cylinder (power in one direction, gravity/spring return in the other), while a 4-way valve controls a double-acting cylinder (power in both directions). The specified "Spool Action 1: Power Up/Gravity Down" clearly describes a 3-way function suitable for lifting operations where gravity assists in the return. "Spool Action 2: Power Up/Power Down - 2 Port Relief" and "Spool Action 3: Power Up/Power Down - 1 Port Relief" describe 4-way functions, indicating control over double-acting cylinders. The difference between two port reliefs and one port relief relates to the application-specific protection for the A and B work ports of the cylinder, allowing for fine-tuned pressure control based on the direction of movement and external loads.
Porting is standardized to 1/2 SAE ORB (-8) for the inlet, outlet, and work ports. SAE O-Ring Boss (ORB) fittings are widely recognized in the hydraulic industry for their superior sealing capabilities, offering excellent resistance to leakage compared to traditional pipe threads. This standard ensures compatibility with a broad range of hydraulic hose and fitting components, simplifying installation and system integration. The consistent port sizing across inlet, outlet, and work ports streamlines inventory management and reduces the potential for incorrect connections. The inclusion of "Power Beyond (PB)" functionality is a significant technical advantage. A Power Beyond port allows the unutilized portion of the pump's flow from one valve section to be directed to a subsequent hydraulic component or another sectional valve in series. This feature is crucial for designing hydraulic systems with multiple functions that need to be operated independently or sequentially from a single pump, maximizing the efficiency of the hydraulic power unit without requiring multiple pumps or complex diversion circuits. The unused flow is directed to the PB port, ready for the next function, rather than being dumped directly to the tank, which would waste energy.
In summary, the Electric Sectional Valve from Buyers Products is a meticulously engineered hydraulic control device designed for performance, durability, and operational ease. Its compact size belies its robust capabilities, including a maximum flow rate of 11 GPM and a system operating pressure of 3600 PSI, with components capable of withstanding 4300 PSI. The modular sectional design, electrically actuated 12V solenoids, and a comprehensive suite of adjustable pressure relief valves (main, angle, and dump) provide precise, safe, and customizable hydraulic power control. Features such as cylinder spools with load hold checks, precision-machined internal components, and easily replaceable seals ensure long-term reliability and straightforward maintenance. With standardized SAE ORB porting and integral Power Beyond capabilities, this valve offers exceptional versatility for integration into a wide array of mobile and industrial hydraulic systems, particularly excelling in applications for smaller trucks and plow trucks where space is at a premium and dependable performance is essential. For specific application requirements or inquiries regarding additional configurations, prospective users are encouraged to contact Customer Service to leverage the full technical expertise available for this high-performance hydraulic solution.
