Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. 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 meticulously 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 empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously 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 may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal blend 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 backbone of reliability, this pump ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework: Crafted with meticulous attention to detail for flawless performance, elevating reliability across every application.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for your system's integrity. Built to endure, delivering steadfast durability in the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Offering 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 unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Unlocking the full 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 unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored to your specific needs, providing precision control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Welcome to a realm where engineered excellence meets individuality, offering you bespoke solutions finely attuned to your operational nuances. Embrace the power of customization that effortlessly aligns with your goals, ensuring precision and success at every turn.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Setting new benchmarks in efficiency and control: This valve is not merely a component but a transformative tool, enhancing your system's performance with unrivaled precision and control, redefining your capabilities and operational success.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Achieve extraordinary system efficiency and adaptability with precision tuning designed to meet the highest standards.D/F - Discover a cutting-edge, precision-crafted pressure limiting valve for secondary pressure (F50). This technological masterpiece is engineered for precision, sustaining a defined pressure value, significantly advancing safety and optimizing security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility with adjustable settings ranging from 63 to 400 bar. This component exemplifies adaptability, effortlessly fulfilling every hydraulic need. The /NF configuration offers a system free of pressure limiting valves, designed for HLPSV, providing unparalleled pressure control and accuracy for diverse applications.
(7) Product Series Classification - The Zenith of Engineering Expertise:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design brilliance, thoughtfully designed to cater to every application, ensuring you receive a product that perfectly fulfills your specific needs, consistently delivering outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for seamless integration, ensuring optimal efficiency and performance.
(9)Directional valve block inflow controller options: Select from an extensive suite of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Enjoy pre-selectable options, each one delivering precision and outstanding efficiency, tailor-made for your needs.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to satisfy specific functional needs with precision and reliability beyond compare.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for peak performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Tailor your hydraulic system with precision by choosing from our expertly calibrated options. Opt for 'N' for no pressure limiting protection, ideal for unrestrained system performance. Select 'C' for concurrent pressure limitation on actuator ports A & B, or 'A---B---' for independent pressure management on each port. All our configurations are meticulously measured in bar, guaranteeing not only safety but unparalleled reliability, thus elevating your system's performance.
(13) Function ON/OFF and Pressure Outlet Options: Transform your machinery operation with our versatile and customizable options. For a simple yet effective setup, 'N' provides an option without function ON/OFF or pressure outlet. Opt for 'X' for C type pressure limitation, or go for 'S/S1' to enjoy AB type pressure limitation, each designed for precise control. Choose 'A' for electrical ON/OFF at side A, or 'B' for side B, meticulously crafted to enhance functionality and precision, meeting your specific operational needs.
(14) Operation Modes: Discover a wide range of operation modes that combine adaptability with precision engineering. 'A(1,2)' offers manual operation with a choice between a long or short handle, providing tactile control. 'E' ushers in electric proportional control, with 'EA(1,2)' seamlessly integrating manual operation for ultimate flexibility. 'D' delivers electric switching value control, enhanced with 'DA(1,2)' for added manual capabilities. Choose 'M' for manual friction positioning with a long handle. Experience 'H' for pure hydraulic control with aligned pilot oil ports, and 'F' with perpendicular ports, ensuring comprehensive and customizable control solutions.
(15) Ancillary Block Port Sizes: Achieve seamless system integration with our range of port size options, redefining adaptability. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is engineered for effortless compatibility and superior integration, ensuring peak performance and adaptability across a diverse spectrum of systems and applications.
(16) End Plate Options: Discover our meticulously designed end plate solutions, each crafted for specific enhancements. 'E1' offers a standard external discharge of pilot oil with an oil return control port T. 'E2' provides greater flexibility with an additional port Y. The advanced 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring exceptional performance and reliability.
Our 'E4' option, inspired by 'E1', incorporates an innovative internal discharge of pilot oil with a sealed port T, boosting efficiency. 'E5' mirrors 'E2', offering robust internal discharge features for optimal performance. The 'E6' design reflects the sophistication of 'E3', providing advanced discharge control perfectly suited for intricate system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and versatile range, including G12-12VDC, designed for flawless safety and reliability even in the most demanding environments. Each option is tailored to offer specialization and paramount security, ensuring your systems remain protected and operational under rigorous conditions.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with a relentless commitment to innovation and unparalleled excellence. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand as a national high-tech enterprise, a testament to our dedication to technological advancement and superior quality standards. Our expertise spans meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of excellence, reinforcing our leadership in the field.
At the heart of our product line is the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a crucial role in essential applications from emergency rescue operations to tunnel engineering, mining efforts, and municipal service vehicle deployment. We are committed to strategic alliances with leading domestic manufacturers, advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to delivering exceptional products, unparalleled services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we aspire to set new benchmarks of excellence on the international stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
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Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
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