Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels represent the pinnacle of hydraulic innovation, flawlessly integrating pressure, flow, and directional control into one superior, cohesive system. This unique fusion ensures unmatched performance and reliability across a vast spectrum of applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, indispensable for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing exceptional precision and control. Key highlights include a compact design, outstanding energy efficiency, and the capability for stepless speed control. Moreover, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. On the other hand, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the definitive choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable 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 epitome of steadfast precision, this pump ensures a seamless and efficient workflow, transforming your system into a masterclass of engineering brilliance. Harness unparalleled reliability and empower your machinery with unmatched accuracy.;
HLPSV: Variable Displacement Pump - The embodiment of versatility and progressive design, this pump provides remarkable adaptability to meet varied operational demands. Its innovative design facilitates seamless fluid transitions and exceptional control, keeping your system at the pinnacle of performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets unwavering reliability to create a powerful operational foundation. Designed with meticulous attention to detail, these specifications ensure optimal performance and heightened dependability across every application, laying a steadfast groundwork for success.:
2-G3/8; This compact design epitomizes efficiency, supporting seamless operational effectiveness with precision and excellence. Expertly crafted for space-limited environments, it promises superb performance without compromise.
3-G1/2; Crafted for robustness and reliability, this component forms the sturdy backbone of your system's endurance. Engineered to withstand rigorous conditions, it promises consistent durability and performance.;
4-G3/4; With cutting-edge connectivity, this component ensures superior control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow capabilities for high-demand scenarios, this component guarantees robust and consistent performance. Engineered for excellence, it addresses high-pressure challenges with precision and ease.;
6-G1 1/4; Providing superior performance, this component thrives in challenging environments. Crafted to exceed expectations, it sets new standards in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Elevate your system's potential with advanced components that redefine excellence. These cutting-edge specifications unlock new realms of performance, transforming your operations into a paragon of success.:
C,Standard Type - A dependable cornerstone, meticulously designed to fulfill essential operational needs. This component offers steadfast support and unmatched reliability, empowering your system to reach its highest potential.;
G,Throttle Valve (For HLPSL only) - Achieve pinpoint control to enhance your system's efficiency. This valve fine-tunes operations for effectiveness, ensuring every component works in concert for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering extraordinary performance and reliability beyond conventional limits. It ensures exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with meticulous precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals, ensuring optimal performance at every stage.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that seamlessly integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision, enhancing operational efficiency and effectiveness.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to unprecedented heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational capabilities and reliability.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. Precision tuning that provides unmatched system efficiency and adaptability, ensuring seamless operation.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability and innovation, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy and dependability.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance and reliability.
(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. Each component is meticulously engineered for flawless and seamless integration, ensuring optimal efficiency and performance.
(9)Directional valve block inflow controller options: Choose from an exhaustive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each offering precision and exceptional efficiency, meticulously customized to your specific needs and operational requirements.
(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 satisfy specific functional requirements with unmatched precision, reliability, and performance excellence.
(11) Output flow code for ports A & B: Elevate your hydraulic system to the pinnacle of efficiency with our exceptional range of maximum output flows, crafted for supreme performance and unwavering dependability. Choose from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each precisely engineered to meet your specific needs and deliver optimal results.
(12) Secondary Pressure Limitation Options: Indulge in the ultimate in safety and reliability with our expertly designed pressure limitation options, tailored in bars for your utmost peace of mind. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is required, maintaining consistent performance. For specialized and individualized control, choose 'A---B---', offering bespoke management of ports A and B. Each option is meticulously crafted to uphold the highest standards of system integrity, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a suite of customizable options crafted for peak performance. For straightforward operations, select 'N', featuring no function ON/OFF or pressure outlet requirements. If enhanced control is necessary, 'X' paired with C-type pressure limitation is ideal, or choose 'S/S1' with AB-type pressure limitation for superior oversight. For pinpoint electrical precision, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each choice is meticulously designed to guarantee maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse array of operation modes, each meticulously tailored for unparalleled versatility and precision. 'A(1,2)' offers manual operation with the choice of a long or short handle, tailored to your ergonomic needs. 'E' delivers cutting-edge electric proportional control, while 'EA(1,2)' marries this with manual operation for optimal adaptability and responsiveness. 'D' provides electric switching value control, with 'DA(1,2)' offering manual enhancements. Select 'M' for expert manual friction positioning with a long handle. For exclusive hydraulic functions, 'H' and 'F' offer distinctive pilot oil port designs, ensuring complete mastery over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Every option is crafted for unmatched adaptability, achieving peak performance across diverse systems and operational needs, guaranteeing your system is always performing at its best.
(16) End Plate Options: Discover our expertly designed end plate solutions, crafted to meet the highest standards of functionality and adaptability. 'E1' provides external discharge of pilot oil and oil return control port T. 'E2' extends your possibilities with an additional port Y for enhanced flexibility. 'E3' offers advanced performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when active, ensuring superior functionality and reliability.
E4 mirrors 'E1', incorporating cutting-edge internal discharge of pilot oil and a sealed port T for optimal efficiency. 'E5' combines the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, including the G12-12VDC, meticulously engineered for safety and reliability even in the harshest environments. Our offerings provide specialized solutions and security tailored to any application, ensuring your system's stability and performance are perpetually uncompromised.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 its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to producing exceptional products, providing unmatched services, and offering groundbreaking solutions. With an ambition to be recognized globally as a trusted supplier of premier hydraulic components, we continually strive 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.
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.
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