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 unwavering performance, this pump assures a seamless and consistent workflow, elevating your system into a masterpiece of precision engineering. Experience reliability like never before and empower your machinery to function with unparalleled accuracy and efficiency.;
HLPSV: Variable Displacement Pump - The benchmark of adaptability and forward-thinking innovation, this pump provides remarkable flexibility to meet a wide array of operational needs. Its cutting-edge design ensures seamless transitions and superior control, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in these specifications, creating a solid operational foundation. With careful design and execution, these specifications ensure exemplary performance and enhanced dependability across all use cases, establishing a steadfast basis for success.:
2-G3/8; A model of compact efficiency, designed for streamlined operation with accuracy. Ideal for tight spaces, it provides excellent performance without sacrificing quality.
3-G1/2; Built to last, this robust component strengthens your system's resilience. Designed to endure challenging conditions, it delivers consistent durability and reliable performance.;
4-G3/4; Featuring state-of-the-art connectivity, this component offers superior control and integration. Its refined design boosts system efficiency, enhancing overall operational prowess with grace.;
5, 55-G1; Exceptional flow rates for demanding situations characterize this component, ensuring robust and consistent performance. Masterfully crafted for excellence, it tackles high-pressure challenges with precision.;
6-G1 1/4; Delivering extraordinary outcomes, this component thrives in challenging environments. Engineered to exceed expectations, it sets new standards in power and capability, handling demanding tasks with ease.;
(3) Additional Components and Specifications - Propel your system's capabilities with innovative components that set new standards in operational excellence. These advanced specifications unlock unprecedented performance levels, transforming your operations into a paragon of success.:
C,Standard Type - A dependable foundation, crafted with precision to meet essential operational demands. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve refined control to enhance your system's efficiency. This valve optimizes operations for peak effectiveness, ensuring harmony across components for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management to deliver extraordinary performance and reliability. Surpassing conventional limits, it consistently achieves remarkable results.;
(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 pressure options offer unmatched accuracy and perfect alignment with your operational goals, ensuring superior performance and reliability.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Embark on a journey with our custom-engineered solutions that harmoniously integrate with your unique operational demands. Experience customizable configurations that empower you to achieve your desired outcomes effortlessly and with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to unprecedented heights: This expertly crafted valve is designed to substantially boost your system's performance, offering unparalleled control and extraordinary effectiveness, revolutionizing your operational capabilities like never before.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, tailored to your specific operational needs.D/F - Introducing a cutting-edge, meticulously 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: Experience the pinnacle of versatility and precision with settings adjustable from 63 to 400 bar levels. This component epitomizes adaptability, 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.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents 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; Showcasing 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 superior 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, customized to your specific needs with state-of-the-art engineering.
(10) Valve core function symbols: Discover 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 peak operational excellence.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unyielding dependability, tailored to meet your high-performance demands.
(12) Secondary Pressure Limitation Options: Elevate your safety and operational reliability to unmatched heights with our expertly engineered pressure limitation options. These options are meticulously calibrated in bar to ensure you experience absolute peace of mind. For operations without pressure limiting protection, select 'N' for straightforward tasks. Should your application require simultaneous pressure limitation on actuator ports A & B, 'C' is your perfect choice, guaranteeing consistent and reliable performance. For applications demanding tailored and independent control, 'A---B---' offers specialized management of ports A and B, ensuring security and efficiency in every operation. Meticulously crafted, each option upholds the pinnacle of system integrity, so your operations remain secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Empower your operations with our extensive range of customizable options, each tailored for peak performance and operational excellence. Choose 'N' for straightforward tasks without function ON/OFF or pressure outlet requirements. For processes requiring enhanced control, 'X' alongside C type pressure limitation is ideal, while 'S/S1' with AB type pressure limitation offers superior oversight. For precision and control, 'A' provides electrical ON/OFF functionality on side A, while 'B' does the same for side B. These options are precision engineered to ensure maximum efficiency and operational brilliance, making them indispensable tools for achieving excellence.
(14) Operation Modes: Unleash the full potential of our diverse range of operation modes, each engineered for extraordinary precision and versatility. 'A(1,2)' delivers manual operation with options for a long or short handle, tailored to your ergonomic preferences. Experience advanced control with 'E', which offers electric proportional management, or enhance adaptability with 'EA(1,2)' by merging manual operation. For switching value control, 'D' stands out, augmented by 'DA(1,2)' for manual upgrades. Opt for 'M' for expert manual friction positioning with a long handle. Hydraulically, 'H' and 'F' provide unique pilot oil port designs-aligned or perpendicular-ensuring you master every scenario with comprehensive control.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our expertly engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to achieve seamless system integration. Each option is meticulously designed to deliver unparalleled adaptability, ensuring peak system performance across a variety of operational demands. Trust in these options to keep your system performing at its best.
(16) End Plate Options: Explore our range of cutting-edge end plate solutions, each crafted to deliver exceptional functionality and adaptability. 'E1' offers an external discharge of pilot oil with oil return control via port T, setting a new standard. 'E2' expands your system's versatility with an additional port Y for enhanced flexibility. 'E3' takes performance to new heights with a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, providing superior reliability and functionality.
E4 mirrors the capabilities of 'E1', featuring advanced internal discharge of pilot oil along with a sealed port T for optimized efficiency. 'E5' combines the robust attributes of 'E2' with internal discharge, ensuring superior system performance. 'E6' embodies the sophisticated design of 'E3', delivering advanced discharge control, perfect for the most challenging system demands, keeping your operations at the zenith of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our array of secure voltage options, including the reliable G12-12VDC, each crafted for the utmost safety and reliability in even the most challenging conditions. Our specialized solutions ensure your system's stability and performance are never compromised, offering unparalleled security tailored to every application.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 a 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 spans 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 steadfast in our commitment to continuously elevate our standards of excellence, further solidifying our leadership position in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its critical functionality extends across vital applications, encompassing 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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