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 - Immerse yourself in the pinnacle of reliability and precision with this indispensable pump. It ensures an uninterrupted and smooth workflow, refining your system into a masterpiece of engineering brilliance. With unmatched durability, it empowers your machinery to operate with unparalleled accuracy.;
HLPSV: Variable Displacement Pump - The embodiment of adaptability and cutting-edge innovation, this pump provides remarkable flexibility, accommodating a wide range of operational needs. Its visionary design allows for seamless transitions and superior command, positioning your system at the forefront of high-performance operations.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets steadfast reliability, creating a resilient operational framework. Crafted with exceptional attention to detail, these specifications ensure flawless performance and elevated reliability across diverse applications, forming a steadfast foundation for unparalleled success.:
2-G3/8; This compact design exemplifies operational efficiency, precisely optimizing space-constrained environments. It promises exceptional performance without sacrificing quality, ensuring streamlined operations with proficiency.
3-G1/2; This component is a testament to strength and reliability, serving as the robust backbone for your system's endurance. Built to thrive under demanding conditions, it offers consistent durability and superior performance.;
4-G3/4; With advanced connectivity, this component delivers unparalleled control and integration. Its sophisticated engineering enhances system efficiency, significantly boosting overall operational capabilities with finesse.;
5, 55-G1; Designed to deliver impressive flow rates, this component steadfastly supports high-demand applications. It meets high-pressure challenges with exceptional ease and precision, ensuring reliable and consistent operation.;
6-G1 1/4; This component offers extraordinary performance, excelling in challenging environments. Engineered to exceed expectations, it sets new benchmarks in power and capability, handling demanding tasks with effortless superiority.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unprecedented levels of performance, transforming your operations into the epitome of success.:
C,Standard Type - A dependable foundation, meticulously designed to meet essential operational requirements. This component offers unwavering support and matchless reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve unparalleled precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring seamless component integration for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve excels in optimizing flow management, consistently delivering outstanding performance and reliability. Breaking conventional limits, it ensures exceptional results with every operation.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options offer unmatched accuracy and alignment with your operational goals, ensuring that every application runs smoothly and efficiently.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing custom-engineered solutions that seamlessly integrate with your unique operational demands. Enjoy customizable configurations designed to empower you to achieve your desired outcomes effortlessly and with precision, enhancing your system's performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost system performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational capabilities, setting a new standard in hydraulic system excellence.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 provides unmatched system efficiency and adaptability, ensuring optimal performance.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel 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, seamlessly fulfilling every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence: Experience the apex of design and innovation in our product series as a testament to our engineering prowess.;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes a masterclass in design, skillfully crafted to address every application, ensuring that you acquire a product that seamlessly aligns with your specific requirements, delivering consistently exceptional performance, and exceeding your expectations.
(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 engineered for flawless and seamless integration, ensuring optimal efficiency and unrivaled precision in every application.
(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, customized to your specific needs, ensuring your system's peak performance.
(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 and reliability, ensuring superior performance in every application.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our expertly crafted output flows for ports A & B, designed to deliver maximum performance and unrivaled reliability. Choose from a comprehensive range of flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered to provide supreme results for any application.
(12) Secondary Pressure Limitation Options: Embrace a new level of safety and dependability with our precision-engineered pressure limitation options. Calibrated in bar for ultimate confidence, select 'N' for straightforward operations without limiting protection. Choose 'C' for synchronized pressure limitation on actuator ports A & B, ensuring seamless consistency. For bespoke control, opt for 'A---B---', granting specialized oversight of ports A and B. Each meticulously designed option guarantees top-notch system integrity, safeguarding your operations against any unforeseen challenges.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operations with our customizable options, tailored for superior performance. For simple needs, select 'N', devoid of any ON/OFF or pressure outlet requirements. If enhanced control is paramount, 'X' with C type limitation or 'S/S1' with AB type limitation deliver superior oversight. For electrical precision, 'A' provides ON/OFF functionality on side A, and 'B' on side B, ensuring your operations are performed with unparalleled precision and efficiency.
(14) Operation Modes: Discover our expansive array of operation modes, each engineered for exceptional versatility and precision. 'A(1,2)' supports manual operation with options for long or short handles, adjusted to your ergonomic preferences. For cutting-edge control, 'E' offers electric proportional management, while 'EA(1,2)' merges this with manual operation for enhanced adaptability. 'D' delivers electric switching value control, enhanced with 'DA(1,2)' for manual options. Choose 'M' for expert manual friction positioning with a long handle. For exclusively hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, providing full mastery over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precisely engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration with varying systems. Each option promises unmatched adaptability and peak performance, ensuring your system consistently operates at its optimum.
(16) End Plate Options: Explore our sophisticated end plate solutions, crafted to exceed the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. For additional flexibility, 'E2' includes a port Y. 'E3' is engineered for advanced performance, with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels and ensuring superior reliability.
E4 mirrors 'E1', incorporating state-of-the-art internal pilot oil discharge and a sealed port T, optimizing efficiency. 'E5' combines the robust 'E2' features with internal discharge for exceptional performance, while 'E6', echoing 'E3', provides advanced discharge control, ideal for challenging system demands, ensuring your system maintains peak efficiency.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our fortified control voltage options, including the G12-12VDC, designed for maximum safety and reliability even in demanding environments. Our offerings guarantee specialized solutions and security for any application, assuring your system's stability and uncompromised 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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