Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse 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, crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, 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 dependable operation in any environment. Conversely, 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 quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, 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 epitome of consistent excellence, this pump ensures a smooth, efficient workflow, transforming your machinery into a masterpiece of precision engineering. Experience reliability like never before and empower your system to operate with unprecedented accuracy.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and innovation, this pump caters to a broad range of operational needs. Its cutting-edge design facilitates seamless transitions and superior control, keeping your system on the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in these specifications, crafting a solid operational framework. With meticulous attention to detail, they assure top-tier performance and unwavering dependability in every application, forming a steadfast foundation for success.:
2-G3/8; This design showcases compact proficiency, ensuring streamlined operational efficiency with precision. Perfect for space-constrained environments, it delivers remarkable performance without compromise.
3-G1/2; Designed for robustness and reliability, this component fortifies your system's endurance. Built to endure challenging conditions, it provides steady performance and durability.;
4-G3/4; With advanced connectivity, this component offers unmatched integration and control. Its innovative design boosts system efficiency, enhancing overall operational capabilities with finesse.;
5, 55-G1; Delivering superb flow rates for high-demand situations, this component ensures robust, consistent performance. Crafted for excellence, it confidently addresses high-pressure challenges.;
6-G1 1/4; Providing exceptional performance, this component excels in rigorous environments. Designed to exceed expectations, it establishes new standards in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Enhance your system's potential with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unprecedented performance levels, transforming your operations into a benchmark of success.:
C,Standard Type - A dependable foundation, meticulously designed to fulfill essential operational needs. This component delivers steadfast support and unmatched reliability, enabling your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to boost your system's efficiency. This valve optimizes operations to ensure maximum effectiveness, harmonizing every component for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve refines flow management, driving exceptional performance and reliability. Surpassing conventional limits, it ensures outstanding results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the power of tailored pressure control solutions, meticulously crafted for diverse applications. With precision engineering, these options deliver unmatched accuracy, aligning seamlessly with your operational goals and ensuring peak performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting bespoke, custom-engineered configurations that integrate harmoniously with your unique operational demands. Harness the power of customizable solutions, enabling you to achieve desired outcomes with effortless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unprecedented levels. Expertly designed for performance enhancement, this solution offers unparalleled control and extraordinary effectiveness, transforming your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered. Experience precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This technical marvel is crafted with impeccable accuracy to maintain a designated pressure value, enhancing safety measures and elevating operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in supreme versatility and precision with adjustable settings from 63 to 400 bar. This component defines adaptability, seamlessly meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unparalleled 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 epitomizes a masterclass in design, skillfully crafted to address every application. Ensure you acquire a product that aligns seamlessly with your specific requirements, delivering consistently 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, meticulously crafted for flawless and seamless integration, ensuring optimal performance.
(9)Directional valve block inflow controller options: Discover a comprehensive 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. Each pre-selectable option is designed for precision and exceptional efficiency, customized to meet your specific needs.
(10) Valve core function symbols: Explore a vast 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 the pinnacle of efficiency with our comprehensive range of output flow capabilities, encompassing 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min. Each flow rate is precisely engineered to deliver exceptional performance, ensuring unwavering reliability and operational excellence.
(12) Secondary Pressure Limitation Options: Elevate your operational security and reliability with precision-engineered pressure limitation solutions. Choose 'N' for straightforward operations without pressure protection. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is critical, assuring dependable performance. For independent and nuanced control, 'A---B---' offers specialized management of ports A and B. Each option is crafted to maintain the utmost system integrity and efficiency, providing you peace of mind.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your system's performance with our customized function and pressure outlet options. 'N' provides a simple setup without function ON/OFF or pressure outlet needs. For enhanced control, pair 'X' with C type pressure limitation or choose 'S/S1' with AB type pressure limitation for superior oversight. Opt for 'A' or 'B' for precise electrical ON/OFF functionality on sides A or B respectively, ensuring unparalleled precision and efficiency in operation.
(14) Operation Modes: Experience unparalleled versatility with our range of operation modes. 'A(1,2)' offers manual control, adaptable with long or short handles for ergonomic comfort. 'E' integrates advanced electric proportional control, while 'EA(1,2)' merges electric with manual operation for ultimate flexibility. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual intervention. Opt for 'M' for precise manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' provide distinct pilot oil port alignments, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Achieve unparalleled system integration with our range of expertly designed port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless adaptability and peak operational performance across diverse systems and requirements.
(16) End Plate Options: Explore our high-performance end plate solutions, designed for top-tier functionality and adaptability. 'E1' features external pilot oil discharge and oil return control port T. 'E2' adds port Y, enhancing flexibility. 'E3' is engineered with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety levels upon activation, guaranteeing reliability and advanced functionality.
E4 mirrors 'E1', boasting state-of-the-art internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' combines 'E2's capabilities with internal discharge, elevating system performance. 'E6' encapsulates 'E3's sophisticated design, offering advanced discharge control for the most demanding applications, ensuring top-tier efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable voltage options like G12-12VDC, engineered for safety and reliability in the toughest scenarios. Our options provide specialized security and stability, adapting seamlessly to any application and 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 an unyielding dedication to groundbreaking innovation and unparalleled excellence. As a highly esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), we take pride in being a national high-tech enterprise that epitomizes relentless commitment to technological advancement and superior quality standards. Our extraordinary expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we steadfastly aim to further elevate our standards of excellence, thus solidifying our leading position in the industry.
At the core of our pioneering product lineup lies our flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously designed for seamless integration into construction machinery and robust heavy-duty equipment. Its essential functionality spans across critical applications such as life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of fundamental municipal service vehicles. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided 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 unparalleled services, and offering groundbreaking solutions. With the 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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