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 | 2.500 |
|---|---|
| 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 | 2 |
| 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 |
| Work Port Size | 1/2 SAE ORB (-8) |
The Electric Sectional Valve from Buyers Products represents a meticulously engineered solution for precise hydraulic control in demanding mobile applications. Designed with a focus on compactness, robust performance, and remote operational capability, this valve is ideally suited for integration into modern vehicular hydraulic systems, particularly those found in smaller utility trucks, municipal vehicles, and a diverse range of plow trucks. Its advanced electrical control mechanism facilitates seamless operator interaction from within the cab, significantly enhancing safety and operational efficiency.
Advanced Hydraulic Control and System Integration
This electric sectional valve is a testament to sophisticated hydraulic design, offering both 3-way and 4-way functionality across its two independent spools. The 3-way configuration is typically employed for controlling single-acting cylinders, where hydraulic pressure extends the cylinder and gravity or an external force retracts it, as seen in many dump bed or lift gate applications. The 4-way configuration, on the other hand, provides bidirectional control for double-acting cylinders, enabling both power-up and power-down movements, which is critical for equipment requiring precise positioning and force in both directions, such as snowplow angling or material handling arms. The inclusion of two distinct spool actions – "Power Up/Gravity Down" for one spool and "Power Up/Power Down - 2 Port Relief" for the second spool – provides inherent versatility, allowing for simultaneous or independent control of two different hydraulic functions tailored to specific operational needs.
Operating on a standard 12V DC electrical system, common in most commercial vehicles, the valve integrates effortlessly without requiring complex power conversions. Each coil draws a mere 2.500 Amps, signifying an energy-efficient design that minimizes drain on the vehicle’s electrical system while providing reliable solenoid actuation. This low amperage requirement simplifies wiring and reduces the thermal load on the electrical components, contributing to overall system longevity. The electrical operation feature is paramount, enabling the valve to be mounted strategically within the hydraulic system, optimizing hose routing and space utilization, while critical control functions remain accessible to the operator via a remote switch panel in the vehicle's cabin. This separation of hydraulic power and operator interface significantly improves ergonomics and safety.
Precision Flow and Pressure Management
The valve is engineered to manage a maximum flow rate of 11 Gallons Per Minute (GPM). This flow capacity is carefully selected to cater to the performance requirements of compact hydraulic systems, ensuring adequate speed for cylinder actuation and motor operation without excessive energy consumption or heat generation. The flow characteristic is non-proportional, meaning it delivers a simple on/off engagement, providing full flow when activated and no flow when disengaged. This straightforward control mechanism is highly reliable and well-suited for applications where precise speed modulation is not the primary requirement, but rather consistent power delivery.
Pressure management is a critical aspect of any hydraulic system, and this valve excels in this regard. It is designed to withstand a maximum system pressure of 3600 PSI, with the capability to handle up to 4300 PSI when its main relief valve is set at the upper end of its adjustable range. The main relief valve is a cornerstone of hydraulic safety and performance, protecting the pump and entire hydraulic circuit from over-pressurization. It is factory preset at 2150 PSI, a common operational pressure for many mobile hydraulic applications, but offers a broad adjustment range from 1300 PSI to 3000 PSI, allowing system engineers to fine-tune the maximum operational pressure to match the specific demands and component ratings of the connected equipment. This adjustability ensures optimal performance and protection across a variety of tasks and attachments.
Comprehensive Port Relief Protection
Beyond the primary circuit protection provided by the main relief, this sectional valve integrates two additional, independently adjustable port reliefs, specifically designated for "angle" and "dump" functions. These port reliefs are crucial for safeguarding individual hydraulic cylinders or motors from transient pressure spikes that can occur due to external forces acting on the connected implements. For example, in a snowplow application, hitting an immovable object can generate immense shock loads that translate into extreme pressure within the hydraulic cylinder lines. Without adequate port relief, this pressure could damage the cylinder, hoses, or even the valve itself.
- Port Relief - Angle: This relief valve is designed with an adjustable range of 1900-4300 PSI and is factory preset at 2150 PSI. It typically protects the cylinder or circuit responsible for angling an implement, such as a snowplow blade. Its high maximum setting provides robust protection against severe impact loads, ensuring the integrity of the angling mechanism even under challenging conditions.
- Port Relief - Dump: This relief valve offers a lower adjustable range of 400-1900 PSI, factory preset at 600 PSI. This setting is optimized for applications where a lower, controlled pressure release is necessary, such as for a "dump" function on a plow or spreader, which might encounter different types of shock loads or require a gentler pressure limit. The ability to individually set these port reliefs ensures that each hydraulic function receives tailored overpressure protection, preventing premature wear and catastrophic failures, thereby extending the service life of the entire system.
Robust Construction and Advanced Spool Technology
The valve's internal architecture is built for durability and precision. It features cylinder spools, which are specifically designed for controlling double-acting cylinders, ensuring smooth and responsive movement. A critical feature for safety and operational stability is the inclusion of a load hold check valve in the neutral position. This mechanism prevents unintended movement of hydraulic cylinders when the valve is in its neutral state, ensuring that suspended loads remain securely held even if the hydraulic pump is disengaged or there's a temporary pressure drop. This is especially vital in lifting or positioning applications where uncontrolled movement could lead to injury or damage.
The operational integrity of the valve is further ensured by its precision-machined and ground spools. This meticulous manufacturing process results in extremely tight tolerances and a superior surface finish, which minimizes internal leakage and reduces friction. Reduced leakage ensures that hydraulic power is efficiently delivered to the actuators, preventing pressure and flow losses that could compromise performance. Lower friction translates to smoother spool operation, requiring less force for actuation and contributing to a longer service life for the valve. Furthermore, the design incorporates easily replaceable spool end seals. This thoughtful design consideration is a significant advantage for maintenance, allowing for quick and cost-effective servicing of wear components without requiring the complete replacement of the valve, thereby reducing downtime and operational expenses over the product's lifespan.
Optimized Porting and Power Beyond Capability
The valve utilizes 1/2 SAE ORB (-8) ports for its inlet, outlet, and work ports. SAE O-Ring Boss (ORB) ports are renowned for their superior sealing capabilities, virtually eliminating leakage compared to traditional pipe thread connections. The O-ring creates a positive seal that resists vibration and pressure fluctuations, providing a more reliable and durable connection point. The standardized 1/2 inch size and -8 designation ensure compatibility with a wide range of hydraulic hoses and fittings, simplifying installation and replacement.
A notable feature of this electric sectional valve is its "Power Beyond" capability. This functionality is essential in hydraulic systems that involve multiple components or functions. A Power Beyond port allows pressurized fluid from the main system to be routed to another hydraulic component or valve downstream, even when the primary valve is in its neutral position. This means that other hydraulic circuits in the system can receive continuous flow and pressure without interruption from the sectional valve's operation. For example, a snowplow setup might require continuous hydraulic flow to a sand spreader motor while simultaneously controlling the plow's lift and angle. The Power Beyond feature elegantly solves this challenge, maintaining system flexibility and efficiency without the need for additional pumps or complex plumbing arrangements, thereby enhancing the overall utility and versatility of the hydraulic system.
Applications and Versatility
While ideally suited for smaller trucks and plow trucks, the robust design and feature set of this Electric Sectional Valve extend its applicability to a broader spectrum of mobile hydraulic equipment. This includes, but is not limited to, light construction machinery, agricultural implements requiring auxiliary hydraulic functions, municipal utility vehicles (e.g., roadside maintenance, sign installation), and various material handling equipment. Its compact footprint facilitates installation in confined spaces, a common challenge in mobile equipment design. The remote electrical control makes it perfect for applications where the operator needs to control hydraulic functions from a safe or convenient distance, such as managing a crane arm, operating a tilt bed, or controlling attachments on a skid steer.
Installation, Maintenance, and Longevity
Installation of the Buyers Products Electric Sectional Valve is streamlined by its standardized SAE ORB ports and 12V electrical requirements. Proper integration involves secure mounting, correct hydraulic line routing to and from the inlet, outlet, and work ports, and appropriate electrical wiring to the solenoids from the remote switch. Given its professional-grade construction, the valve is designed for longevity and minimal maintenance. The ease of replacing spool end seals is a significant advantage, allowing for proactive maintenance that can prevent more extensive repairs and prolong the operational life of the unit. Regular inspection of hydraulic fluid quality and system pressures, coupled with adherence to manufacturer-recommended service intervals, will ensure optimal performance and extend the valve's already impressive durability.
Conclusion
In summary, the Electric Sectional Valve from Buyers Products offers a sophisticated and reliable solution for dynamic hydraulic control. Its combination of compact design, electrical remote control, versatile 3-way/4-way spool actions, high-pressure capability with adjustable main relief, and comprehensive dual-port relief protection makes it an indispensable component for demanding mobile applications. The inclusion of load hold checks, precision-machined spools, replaceable seals, and Power Beyond functionality underscores a commitment to safety, efficiency, and long-term operational value. For specific application requirements or to explore additional configurations tailored to unique hydraulic system designs, engaging with our Customer Service team is highly recommended to leverage the full potential and adaptability of this exceptional hydraulic control valve.
