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 foundation of unwavering reliability and top-tier performance. This pump ensures a consistent and seamless workflow, transforming your system into an engineering marvel. Experience unmatched dependability and elevate your machinery to operate with precision and finesse.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and cutting-edge innovation. This pump offers remarkable adaptability, catering to diverse operational needs. With its advanced design, it provides fluid transitions and superior control, ensuring your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability to create a robust operational framework. Crafted with exacting detail, these specifications ensure impeccable performance and heightened dependability across all applications, providing a steadfast foundation for success.:
2-G3/8; This design is a testament to compact efficiency, supporting streamlined operational excellence with precision. Expertly crafted to thrive in space-limited environments, it promises remarkable performance without compromise.
3-G1/2; Built for strength and unparalleled reliability, this component serves as a formidable backbone for your system's endurance. Designed to withstand harsh conditions, it offers unyielding durability and performance.;
4-G3/4; With advanced connectivity, this component provides unmatched control and integration. Its sophisticated design boosts system efficiency, enhancing overall operational capability with elegance.;
5, 55-G1; Delivering outstanding flow rates for high-demand scenarios, this component ensures consistent and robust performance. Designed for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Offering exceptional performance, this component excels in challenging environments. Engineered to exceed expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Transform your system capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications elevate performance, turning your operations into a pinnacle of success.:
C,Standard Type - A reliable cornerstone, meticulously crafted to meet essential operational demands. This component offers steadfast support and unmatched reliability, enabling your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance system efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring each component operates in harmony for superior results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering exceptional performance and reliability. Breaking conventional boundaries, it consistently provides outstanding results.;
(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: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unyielding dependability.
(12) Secondary Pressure Limitation Options: Elevate your safety and reliability to extraordinary levels with our meticulously engineered pressure limitation choices. Each option is precisely calibrated in bar to ensure your peace of mind and operational assurance. Choose 'N' for straightforward operations without pressure limiting protection. For scenarios demanding simultaneous pressure limitations on actuator ports A & B, 'C' is your ideal choice, guaranteeing consistent and dependable performance. If you seek tailored and independent control, opt for 'A---B---', offering specialized management for ports A and B. Every selection is crafted to maintain the highest standards of system integrity, safeguarding the security and efficiency of your operations with unmatched precision.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with a suite of customizable options engineered for peak performance. For straightforward processes, 'N' offers a no-function ON/OFF and pressure outlet setup. If advanced control is what you need, 'X' in combination with C type pressure limitation is perfect, or go for 'S/S1' with AB type pressure limitation for enhanced oversight. For precise electrical management, 'A' provides ON/OFF functionality on side A, while 'B' caters to side B. Each of these options is crafted with meticulous precision to ensure your operations achieve maximum efficiency and excellence.
(14) Operation Modes: Discover our comprehensive selection of operation modes, each tailored for exceptional versatility and precision. 'A(1,2)' affords manual control with options for a long or short handle, aligning with your ergonomic preferences. The 'E' mode delivers cutting-edge electric proportional control, while the 'EA(1,2)' mode fuses this with manual operation for unparalleled adaptability and responsiveness. 'D' presents electric switching value control, further enhanced by 'DA(1,2)' for manual adjustments. 'M' is designed for expert manual friction positioning with an extended handle. For exclusive hydraulic operations, 'H' and 'F' offer unique pilot oil port configurations-either aligned or perpendicular-ensuring comprehensive system control and mastery.
(15) Ancillary Block Port Sizes: Enhance your system's 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 flawless system integration. Each option is crafted for superior adaptability, delivering optimal performance across diverse systems and operational challenges, guaranteeing your system remains at the pinnacle of its capabilities and efficiency.
(16) End Plate Options: Uncover our expertly engineered end plate solutions, each designed to meet the pinnacle of functionality and adaptability. 'E1' sets the standard with an external discharge of pilot oil and oil return control port T. 'E2' broadens your options with an additional port Y for increased flexibility. Engineered for superior performance, 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels upon activation, ensuring unmatched functionality and reliability.
E4 mirrors 'E1', boasting state-of-the-art internal discharge of pilot oil and a sealed port T for enhanced efficiency. 'E5' integrates the robust qualities of 'E2' with internal discharge, delivering superior system performance. 'E6' captures the advanced design of 'E3', providing sophisticated discharge control, ideal for the most demanding system requirements, ensuring your system constantly leads in efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our range of robust and secure voltage options, including the G12-12VDC, crafted for unparalleled safety and reliability even in the harshest conditions. Our solutions are specialized and secure, tailored to any application to ensure 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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