Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves by Jiangsu KM Hydraulic Control System Co., Ltd. These revolutionary engineering masterpieces represent the pinnacle of hydraulic innovation, flawlessly merging pressure, flow, and directional control into one superior, cohesive system. This unique synergy guarantees unparalleled performance and reliability across a wide spectrum of applications. Constructed from three vital functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves integrate seamlessly into advanced hydraulic systems, vital for elite engineering machinery. They expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. The key features include a compact design, exceptional energy efficiency, and the capability for stepless speed control. Additionally, they enable the simultaneous operation of multiple actuators under varying loads, offering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves might exhibit a slightly slower response, they excel in remarkable energy-saving performance, making them the ultimate choice where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering an impeccable mix 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 essential pillar of sustainable performance, this pump assures an uninterrupted and seamless workflow, transforming your system into an extraordinary example of engineering excellence. It offers unsurpassed reliability, empowering your machinery to function with unparalleled accuracy and precision.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and progressive design, this pump provides remarkable flexibility to meet a wide range of operational demands. Its innovative structure supports seamless transitions and excellent control, ensuring your system remains at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Where meticulous design meets steadfast reliability, forming a solid operational base. Created with precision, these specifications ensure flawless performance and enhanced reliability across diverse applications, laying a sturdy groundwork for consistent success.:
2-G3/8; This design represents compact efficiency, enhancing streamlined operations with accuracy. Expertly designed for confined spaces, it ensures remarkable performance without sacrifice.
3-G1/2; Designed for robustness and reliability, this component forms a strong backbone for your system's longevity. Built to navigate demanding conditions, it offers steadfast durability and performance.;
4-G3/4; With advanced connectivity, this component offers unmatched control and integration. Its refined design boosts system efficiency, enhancing overall operational capacity elegantly.;
5, 55-G1; Ensuring exceptional flow rates for high-demand scenarios, this component provides consistent, strong performance. Crafted for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to exceed expectations, it sets new standards in power and capability, effortlessly managing demanding tasks.;
(3) Additional Components and Specifications - Enhance your system with state-of-the-art components that redefine operational superiority. These advanced specifications unlock unparalleled levels of performance, transforming your operations into a standard of success.:
C,Standard Type - A trusted foundation, meticulously crafted to fulfill core operational needs. This component provides unwavering support and unmatched reliability, enabling your system to realize its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to optimize your system's efficiency. This valve fine-tunes operations for peak effectiveness, ensuring every component operates in perfect harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, achieving extraordinary performance and reliability. Surpassing traditional limits, it delivers outstanding results consistently.;
(4) Pilot Oil Circuit Pressure Options - Discover the extraordinary potential of customizable pressure control solutions, tailored precisely to meet the diverse demands of your applications. Engineered with utmost precision, these options promise unparalleled accuracy, seamlessly aligning with your operational goals for optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience bespoke solutions intricately designed to integrate seamlessly with your unique operational needs. Revel in the ability to configure these systems to achieve your desired outcomes effortlessly, with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's performance and control to unparalleled heights: Expertly crafted to enhance efficiency, offering unmatched control and remarkable effectiveness that transforms your operational capabilities.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. Experience precision tuning that delivers unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, precisely engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with immaculate precision to maintain 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: Experience the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, intricately crafted to cater to every application, ensuring you receive 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 auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an extensive selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specially crafted for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and remarkable efficiency, tailored to your specific needs.
(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 fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock peak potential with our comprehensive range of maximum output flows, including: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each meticulously engineered to deliver unmatched performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Ensure paramount safety and unyielding reliability with our expertly crafted pressure limitation features, precisely calibrated in bar. For straightforward needs, choose 'N' with no pressure limiting protection. Opt for 'C' for synchronized pressure limitation on actuator ports A & B, guaranteeing consistent performance. For specialized and independent management, select 'A---B---', providing customized control over ports A and B. Every option is designed to maintain the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational efficacy with a suite of customizable options engineered for superior performance. For fundamental operations, 'N' offers no function ON/OFF or pressure outlet needs. When superior control is essential, 'X' with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for exceptional oversight. Opt for 'A' for electrical precision ON/OFF on side A, or 'B' for side B. Each option is crafted with precision to ensure maximum efficiency and operational excellence.
(14) Operation Modes: Delve into our array of operation modes, each designed for unmatched versatility and precision. 'A(1,2)' provides manual operation with long or short handle options to meet ergonomic preferences. 'E' delivers advanced electric proportional control, while 'EA(1,2)' merges this with manual operation for peak adaptability. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual refinement. Opt for 'M' for expert manual friction positioning with a long handle. For hydraulic-specific operations, 'H' and 'F' provide unique pilot oil port arrangements, ensuring comprehensive system control and mastery.
(15) Ancillary Block Port Sizes: Enhance flexibility and performance with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each selection promises exceptional adaptability and peak performance across diverse systems and operational demands, guaranteeing your system remains at its optimal best.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to meet the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances flexibility with an additional port Y. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring exceptional functionality and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge, enhancing system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control, ideal for the most demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our range of secure voltage options, including the G12-12VDC, meticulously engineered for safety and reliability in challenging environments. Our solutions are tailored to provide security and stability for any application, ensuring uncompromised system performance.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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