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 - Unleash the pinnacle of consistency and excellence with this indispensable pump. It guarantees a smooth and uninterrupted operational flow, perfecting your system into a masterpiece of engineering. Revel in supreme reliability and let your machinery achieve unparalleled precision.;
HLPSV: Variable Displacement Pump - A supreme testament to adaptability and forward-thinking innovation. This pump is crafted to meet a spectrum of operational needs, offering seamless adaptability and superior command over your processes. Keep your system at the forefront of performance, always ready for any challenge.;
(2) Connection Block Ports P & R Specifications - Where the art of precision meets unwavering reliability, creating a sturdy operational base. Designed with an eye for detail, these specs ensure flawless performance and steadfast dependability across all tasks, providing a solid ground for triumph.:
2-G3/8; This configuration blends compact expertise and smooth efficiencies, crafted to shine in limited spaces while maintaining top-tier performance.
3-G1/2; Built to be a pillar of strength and dependability, this component is engineered to endure challenging conditions, delivering persistent durability and outstanding performance.;
4-G3/4; Boasting advanced connectivity, this component offers unrivaled control and integration. Its refined design amplifies system efficiency, enhancing operational potential with grace.;
5, 55-G1; This component ensures remarkable flow rates tailored for high-demand conditions, delivering strong, consistent performance. Expertly designed, it effortlessly addresses high-pressure challenges with finesse.;
6-G1 1/4; An epitome of power, this component excels in demanding environments. Crafted to exceed expectations, it sets new standards in strength and capability, handling tough tasks with ease.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that set new benchmarks in operational excellence. These specifications unlock unprecedented performance levels, transforming your operations into paragons of success.:
C,Standard Type - A robust foundation crafted to meet critical operational needs, offering steadfast support and unmatched dependability, empowering your system to reach its zenith.;
G,Throttle Valve (For HLPSL only) - Precision control that refines your system's efficiency. This valve optimizes operations for peak effectiveness, ensuring all components harmonize for superior results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve revolutionizes flow management, achieving brilliant performance and reliability that surpasses conventional limits.;
(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: Unleash the pinnacle of efficiency with our maximum output flows, each available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. These options are meticulously crafted for peak performance and steadfast dependability, ensuring that your operations run seamlessly with unmatched effectiveness.
(12) Secondary Pressure Limitation Options: Indulge in unprecedented safety and reliability with our precision-engineered pressure limitation options, precisely calibrated in bar to reassure your operations. Select 'N' for operations without pressure limiting protection for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is crucial, guaranteeing consistent and harmonious performance. For specialized management, choose 'A---B---', delivering bespoke and independent control over ports A and B. Each option is thoughtfully designed to uphold the utmost standards of system integrity, ensuring your operations remain secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with an array of customizable options designed for peak performance. For straightforward operations, select 'N', which offers no function ON/OFF or pressure outlet requirements. Should your processes necessitate enhanced control, 'X' combined with C type pressure limitation is your go-to, or opt for 'S/S1' with AB type pressure limitation for supreme oversight. For those seeking electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse portfolio of operation modes, each artfully crafted for exceptional versatility and precision. 'A(1,2)' offers manual operation with the comfort of a long or short handle, catering to your ergonomic needs. 'E' provides state-of-the-art electric proportional control, while 'EA(1,2)' fuses it with manual controls for superior adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' deliver unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate your adaptability and performance with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for flawless system integration. Each selection is crafted for unmatched adaptability, delivering peak performance across various systems and operational demands, ensuring your system is perpetually at its most efficient state.
(16) End Plate Options: Discover our expertly crafted end plate solutions, each designed to uphold the highest standards of functionality and adaptability. 'E1' sets 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 expanded flexibility. 'E3' is engineered for advanced 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 superlative system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding system requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, including the G12-12VDC, specifically crafted for safety and reliability even in the toughest environments. Our offerings provide 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 been a beacon in the hydraulic industry, renowned for its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we take pride in being a national high-tech enterprise. This status embodies our unwavering dedication to pioneering technological advancements and maintaining 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 are dedicated to continuously elevating our standards of excellence, further solidifying our leadership position in the industry.
At the heart of our pioneering product lineup is the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering embodies state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its vital functionality spans critical applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our unwavering commitment to forming strategic alliances with leading domestic manufacturers accelerates 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 a vision to be globally recognized 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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