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 - Embark on a journey of sustained excellence with this pump, which promises consistent and efficient operations. Transform your machinery into a beacon of precision and reliability, ensuring flawless performance that empowers your system to reach its zenith.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and cutting-edge design, this pump seamlessly adjusts to meet a myriad of operational needs. Enjoy fluid transitions with superior control, keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Witness the synergy of precision and reliability, crafting a resilient operational framework. Engineered with exacting standards, these specifications ensure flawless performance and unwavering dependability, laying a solid foundation for success in every application.:
2-G3/8; This compact design epitomizes efficiency, perfectly tailored for space-limited settings. It guarantees exceptional performance, allowing for streamlined operations that are second to none.
3-G1/2; Built for robustness and reliability, this component stands as a stalwart pillar of your system's resilience. Designed to endure the most challenging conditions, it delivers steadfast performance with unwavering durability.;
4-G3/4; With cutting-edge connectivity, this component offers unparalleled control and system integration. Its innovative design boosts system efficiency, elevating operational capabilities to new heights with precision.;
5, 55-G1; Engineered to provide exceptional flow rates for demanding scenarios, this component assures robust, consistent performance. Masterfully crafted, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Elevating performance to new realms, this component shines in difficult environments. Designed to exceed expectations, it redefines power and capability, handling the toughest tasks with remarkable ease.;
(3) Additional Components and Specifications - Enhance your system's prowess with pioneering components that set the standard for operational excellence. These advanced specifications unlock exceptional performance, turning your operations into a hallmark of success.:
C,Standard Type - A steadfast foundation, meticulously engineered to fulfill fundamental operational needs. This component offers unmatched reliability and support, enabling your system to realize its utmost potential.;
G,Throttle Valve (For HLPSL only) - Achieve meticulous control to elevate your system's efficiency. This valve refines operations for peak effectiveness, ensuring perfect harmony among components for unrivaled results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevate flow management to extraordinary levels, exceeding conventional standards. This valve promises exceptional performance and reliability, delivering remarkable results consistently.;
(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 provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes 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. Precision tuning that provides unmatched system efficiency and adaptability.D/F - Presenting 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 boosting 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 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 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.
(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.
(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.
(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.
(11) Output flow code for ports A & B: Elevate your hydraulic systems to their peak potential with our array of output flow choices, designed for ultimate efficiency and reliability. Choose from a versatile range of flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow level is meticulously crafted to deliver outstanding performance and steadfast dependability, ensuring your operations run flawlessly.
(12) Secondary Pressure Limitation Options: Experience unrivaled safety and dependability with our precision-engineered pressure limitation options, meticulously calibrated in bar for your absolute peace of mind. Select 'N' for operations without pressure limiting protection ideal for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is critical, guaranteeing consistent and reliable performance. For tailored and independent control, choose 'A---B---', offering specialized management of ports A and B. Each option is crafted to the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our customizable options designed for peak performance. For straightforward operations, select 'N', featuring no function ON/OFF or pressure outlet requirements. For processes necessitating enhanced control, 'X' paired with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is precisely crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our diverse range of operation modes, each meticulously engineered for unparalleled versatility and precision. 'A(1,2)' offers manual operation with the choice of a long or short handle, catering to your specific ergonomic demands. 'E' provides sophisticated electric proportional control, while 'EA(1,2)' merges this with manual operation for ultimate adaptability and responsiveness. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for additional manual capabilities. Opt for 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive mastery over your system.
(15) Ancillary Block Port Sizes: Boost your system's adaptability and performance with our meticulously designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each selection is engineered for exceptional adaptability, delivering peak performance across diverse systems and operational demands, ensuring your system operates at its best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each designed to meet the highest standards of functionality and adaptability. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' extends your capabilities with an additional port Y, offering increased flexibility. 'E3' is engineered for enhanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, ideal for the most demanding system requirements, ensuring your system is at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, crafted for exceptional safety and dependability even in the most challenging conditions. Our range provides specialized solutions and security tailored to any application, ensuring your system's stability and performance remain 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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