Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and efficiency.
References |
size 2 |
size 3 |
size 5 |
Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
Port access type |
thread connection |
thread connection |
thread connection |
Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
Max.flow(L/min) |
54 |
100 |
210 |
Max.pressure(bar) |
420 |
420 |
420 |
Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
Directional Valve bank (kg) |
1.9 |
4 |
8 |
End Plate (kg) |
0.5 |
1.5 |
2.5 |
Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. Experience the superior dependability that keeps your operations running like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored to adjust to the ever-changing demands, it allows for seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest spaces.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Built to last, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bringing sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing the potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Ensures your operations are fine-tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Pushes the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Discover bespoke pressure control solutions tailored for diverse applications: Engineered for your unique requirements, providing precise control that seamlessly aligns with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to impeccably fulfill your specific operational needs. Configurations can be tailored to ensure you effortlessly achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control: Meticulously designed to enhance your system's performance, delivering unsurpassed control and superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when unpowered; Providing unmatched precision for system efficiency.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary accuracy to maintain a specific pressure level. This technological marvel is engineered to elevate safety measures significantly, thereby optimizing operational security and reliability to extraordinary heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, providing unmatched pressure control across a multitude of applications.
(7) Product Series Classification - The Quintessence of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, skillfully created to address every application, ensuring you obtain a product that impeccably aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and extraordinary efficiency.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for superior performance and dependability.
(12) Secondary Pressure Limitation Options: Experience unparalleled safety with our range of secondary pressure limitation choices, meticulously measured in bar for uncompromising system protection. Choose from: N, offering no pressure limiting protection; C, providing concurrent pressure limitation of actuator ports A & B; and A---B---, featuring independent pressure limitation for ports A & B. These options are designed to ensure that your system is safeguarded with precision and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your control and functionality with our customizable function ON/OFF and pressure outlet options. Select from: N, without function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, offering AB type pressure limitation; A, with electrical ON/OFF on side A; and B, with electrical ON/OFF on side B. Each option is engineered for precise control, providing an optimal experience tailored to your needs.
(14) Operation Modes: Discover the perfect balance of versatility and precision with our diverse operation modes. Options include: A(1,2), manual operation with your choice of a long or short handle; E, offering electric proportional control; EA(1,2), a fusion of electric proportional control and manual operation; D, delivering electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control with pilot oil ports aligned with oil ports A and B; and F, pure hydraulic control with perpendicular pilot oil ports. Each mode is expertly crafted for comprehensive and precise control, ensuring your system performs at its best.
(15) Ancillary Block Port Sizes: Unlock the true potential of your system with our ingeniously crafted ancillary block port sizes. Options available are: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered option ensures seamless adaptability and flawless integration across diverse systems, promising efficiency and optimal performance tailored to your unique requirements.
(16) End Plate Options: Explore our meticulously designed end plate solutions, crafted for enhanced functionality and flexibility. E1 offers a standard choice with external discharge of pilot oil and an external oil return control port T. E2 builds upon E1 by adding port Y for extra adaptability. E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated. These options ensure peak performance and reliability in your hydraulic systems.
E4, echoing the features of E1, innovatively integrates an internal discharge of pilot oil with a sealed port T, enhancing system efficiency. E5 mirrors the robust features of E2, offering internal discharge for optimal performance. E6 reflects the sophisticated design of E3, providing advanced discharge control across every variant to meet complex system demands effectively.
(17) Control Voltage and Anti-Explosion Cable Options: Ensure safety and reliability in even the most demanding applications with our secure and compatible control voltage and anti-explosion cable options. Choose from G12-12VDC, crafted for exceptional security and performance, ensuring specialized protection for your system.G24-Explore our range of control voltage options, including 24VDC, G24Ex-3m-24VDC, G12Ex-3m-12VDC, and G24MA-3m-24VDC. Each option is crafted for secure and reliable operation, ensuring your system functions flawlessly.12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. shines in the hydraulic industry as a trailblazer of innovation and excellence. Operating under the prestigious umbrella of the China Baoan Group (stock code: 000009), our company is nationally recognized as a high-tech enterprise, exemplifying our unwavering commitment to technological advancement and superior quality. Our profound knowledge encompasses the meticulous research, development, manufacturing, and sales of high-caliber hydraulic components. Acknowledged as a national 'specialized, refined, and innovative' small giant, we stand firm in our pursuit of excellence, reinforcing our leading status in the industry.
Our flagship innovation, the enhanced Safety Atex Valve, epitomizes the forefront of hydraulic system control technology. Masterfully engineered for construction machinery and heavy-duty equipment, this essential component plays a crucial role in vital scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with top domestic manufacturers, significantly boosting the localization of core hydraulic components in high-end mechanical equipment. Driven by our fundamental philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain unwavering in our mission to provide extraordinary products, services, and solutions. Our vision is to stand as a globally trusted supplier of premier hydraulic components, continuously setting benchmarks of excellence on the international stage.
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