Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, which represent the pinnacle of hydraulic innovation. These engineering marvels are a testament to advanced technology, seamlessly merging pressure, flow, and directional control into one cohesive, superior system. This exceptional integration ensures unmatched performance and reliability across a variety of applications. These valves are crafted from three fundamental functional modules: connecting blocks, directional valves, and end plates. Each component is precision-engineered to fit effortlessly into high-end hydraulic systems, playing a vital role in elite engineering machinery. Our valves expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. The key highlights include a space-efficient design, exceptional energy efficiency, and the ability to provide stepless speed control. Moreover, they support the concurrent operation of multiple actuators under diverse loads, offering extraordinary performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring consistent and reliable performance across various environments. In contrast, the HLPSV valves are masterfully crafted for variable pump systems. Although the HLPSV valves may exhibit a slightly slower response, they excel in delivering impressive energy-saving capabilities, making them the ideal choice where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control needs, offering a flawless 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 cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(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: Unlock the pinnacle of hydraulic performance with our superior selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow rate is meticulously engineered to deliver exceptional reliability and unparalleled efficiency, ensuring your systems operate at their optimal potential.
(12) Secondary Pressure Limitation Options: Elevate your operational safety and trust in our precisely engineered pressure limitation options, detailed in bar for your confidence. Choose 'N' for operations without pressure limitations for straightforward tasks. Opt for 'C' for concurrent pressure limitation on actuator ports A & B, ensuring dependable performance. For customizable, independent control, select 'A---B---', designed for specialized management of ports A and B. Each option is crafted to uphold system integrity, making sure your operations are both secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with our customizable options designed for peak efficiency. For basic operations, choose 'N' with no function ON/OFF or pressure outlet requirements. For processes demanding detailed control, 'X' with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for detailed oversight. For precise electrical control, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is tailored for maximum precision and operational excellence.
(14) Operation Modes: Discover our extensive operation modes, each precisely crafted for superior flexibility and control. 'A(1,2)' offers manual operation with long or short handle options for ergonomic adaptability. 'E' delivers advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for adaptive responsiveness. 'D' provides electric switching control, with 'DA(1,2)' for manual support. Choose 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive management of your system.
(15) Ancillary Block Port Sizes: Enhance system adaptability and performance with our expertly designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and peak performance across diverse systems, maintaining your system at its optimal state at all times.
(16) End Plate Options: Explore our meticulously developed end plate solutions, crafted to the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an extra port Y for increased flexibility. 'E3' is designed for advanced operations with a 2-position, 3-way magnetic ball valve enhancing system pressure to safety valve levels when activated, ensuring peak performance and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines 'E2's robust features with internal discharge for enhanced system performance. 'E6' embodies the sophisticated engineering of 'E3', providing advanced discharge control, perfect for demanding requirements and ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable voltage options, including the G12-12VDC, specifically designed for safety and dependability even in challenging environments. Our solutions provide specialized security and performance tailored to every application, ensuring the stability and performance of your system are always at their peak.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, illuminating pathways with relentless innovation and unmatched excellence. As a key subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. Our steadfast dedication to pioneering technological advancements and maintaining superior quality standards is unwavering. Our profound expertise spans comprehensive research, avant-garde development, precise manufacturing, and strategic marketing of elite hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are resolute in our mission to continuously elevate our standards, solidifying our leadership in the industry.
At the core of our groundbreaking product lineup lies our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes advanced hydraulic system control, masterfully designed for seamless integration into construction machinery and heavy-duty equipment. Its vital functionality is pivotal across a spectrum of critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining ventures, and essential municipal service vehicle operations. Our unwavering commitment to forging strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are dedicated to crafting exceptional products, delivering unmatched services, and pioneering groundbreaking solutions. Aspiring to gain recognition globally as a trusted supplier of premier hydraulic components, we persistently strive to set new standards 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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