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. Experience unmatched performance and reliability across every application with this cutting-edge technology. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, essential 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, setting a new standard in hydraulic control excellence.
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. Choose HLPSV valves to optimize your hydraulic systems for superior energy conservation and cutting-edge control, setting the benchmark for industry standards.
| 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 core of reliability, ensuring steadfast and consistent performance. It empowers your operations with smooth proficiency, making sure your machinery functions seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - A testament to adaptability, this pump provides exceptional flexibility to meet diverse operational requirements. It is expertly crafted to handle evolving demands, facilitating seamless transitions and offering superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming a trustworthy operational framework. Crafted with meticulous precision for impeccable performance, it enhances reliability across all applications.:
2-G3/8; Skillfully engineered for compact efficiency, supporting seamless operational effectiveness. Designed with precision to ensure exceptional performance, even within confined spaces.
3-G1/2; Built for robustness and reliability, providing a stable foundation for your system's integrity. With enduring construction, it delivers consistent durability in tough conditions.;
4-G3/4; Offers advanced connectivity for superior control and enhanced system integration, combining sophistication and efficiency to elevate your system's operational capabilities.;
5, 55-G1; Delivering superior flow rates ideal for high-demand applications, ensuring consistent and reliable performance. It is designed for excellence, tackling high-pressure challenges effortlessly.;
6-G1 1/4; Offering unmatched performance, expertly engineered to excel in rigorous environments and overcome challenges with ease. It sets new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels, unlocking the full potential of your operations with advanced components that set new standards for excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to fulfill essential operational needs. It provides 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 finely tuned operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, achieving exceptional performance and dependability, exceeding conventional limits for extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Unlock the potential of custom pressure control solutions for a myriad of applications. Expertly tailored to your unique specifications, these solutions provide unparalleled precision control that perfectly aligns with and enhances your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar). Experience the power of custom-engineered solutions, crafted to perfectly align with your operational demands. Enjoy the versatility of customizable configurations that ensure effortless achievement of desired outcomes with remarkable precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Redefine efficiency and control with our expertly designed valve. This innovation optimizes system performance, offering unmatched control and superior effectiveness, revolutionizing your operational capabilities and setting new standards in efficiency.C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump with power and releasing it without; D - Normally closed magnetic ball valve, releasing the pump with power and engaging it without. Achieve precision tuning for unrivaled system efficiency and adaptability, ensuring every operational need is met with excellence.D/F - Presenting a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50). This cutting-edge marvel is crafted with unparalleled accuracy to maintain a defined pressure value, significantly elevating advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Indulge in the ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents the epitome of adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unmatched pressure control with supreme accuracy across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series. Each series is a testament to masterful design, skillfully crafted to address every application need, ensuring you acquire a product that seamlessly aligns with your specific requirements, consistently delivering exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1. Equipped with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, these components are meticulously engineered for flawless and seamless integration, ensuring optimal efficiency and performance.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each offering exceptional precision and efficiency, tailored to your specific operational needs.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N. Each symbol is meticulously crafted to meet specific functional requirements with unparalleled precision and reliability, ensuring optimal operational success.
(11) Output flow code for ports A & B: Achieve pinnacle efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each option is engineered for supreme performance and unwavering dependability, ensuring superior operational outcomes.
(12) Secondary Pressure Limitation Options: Elevate your system's safety with our meticulously engineered pressure limitation selections. Choose from: N, offering no pressure limiting protection for streamlined operations; C, providing concurrent pressure limitation of actuator ports A & B for comprehensive coverage; A---B---, delivering independent pressure limitation for ports A & B for precision control. All options are precisely gauged in bar, ensuring unwavering safety and optimal reliability in any application.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our versatile selections. Opt for 'N' to maintain a simplified configuration without function ON/OFF or pressure outlet. Choose 'X' to pair with C type pressure limitation, or 'S/S1' to integrate AB type pressure limitation, offering enhanced control and flexibility. Select 'A' for electrical ON/OFF on side A, or 'B' for side B, each configuration fine-tuned for precision and exceptional functionality.
(14) Operation Modes: Dive into a variety of operation modes crafted for versatility and precision. 'A(1,2)' provides manual operation with options for a long or short handle. 'E' delivers electric proportional control, while 'EA(1,2)' merges electric and manual operation for superior adaptability. 'D' offers electric switching value control, with 'DA(1,2)' adding manual operation for greater versatility. 'M' is designed for manual friction positioning with a long handle. Explore 'H' and 'F' for exclusive hydraulic control, with pilot oil ports expertly aligned or perpendicular, ensuring all-encompassing control.
(15) Ancillary Block Port Sizes: Redefine the concept of adaptability with our expertly designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each size is engineered for seamless integration and maximum adaptability, guaranteeing optimal performance across diverse systems.
(16) End Plate Options: Discover our precisely engineered end plate solutions. 'E1' serves as the standard, providing external discharge of pilot oil and an oil return control port T. 'E2' adds an extra port Y for enhanced flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring premium performance.
E4 mirrors 'E1' with an innovative internal discharge of pilot oil, complemented by a sealed port T for improved efficiency. 'E5' replicates the robust features of 'E2' with internal discharge for peak performance. 'E6' reflects the advanced design of 'E3', offering sophisticated discharge control for complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable options, including G12-12VDC, engineered for safety and reliability in demanding applications. Our selections are tailored for specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Founded in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of brilliance in the hydraulic industry, renowned for its relentless drive towards innovation and unmatched excellence. As an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, showcasing our steadfast dedication to technological advancement and superior quality. Our expertise spans detailed research, groundbreaking development, precision manufacturing, and strategic sales of high-caliber hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are resolute in our commitment to excellence, continually solidifying our leadership in the industry.
At the pinnacle of our product portfolio is the flagship marvel: the Enhanced Safety Atex Valve. This engineering triumph represents the apex of advanced hydraulic system control, meticulously engineered for use in construction machinery and resilient heavy-duty equipment. It is indispensable in critical applications such as emergency rescue missions, tunnel construction, mining activities, and the operation of municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers fosters the localization of core hydraulic components for high-end mechanical equipment. Driven by our guiding philosophy-'serving customers with technology, impressing them with our attitude, and retaining them with quality'-we are dedicated to delivering extraordinary products, unmatched services, and pioneering solutions. With aspirations to become a globally trusted supplier of leading hydraulic components, we continually strive to set new standards 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.
Question:2. Do you have any MOQ limit for LED light orders?
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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
Audited Supplier 
){kind=link}