Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, providing an ideal blend 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 - This robust and steadfast pump guarantees unwavering and consistent performance, pioneering smooth and proficient operations throughout your entire system. Revel in the unparalleled reliability that keeps your machinery running flawlessly, like a perfectly synchronized symphony.;
HLPSV: Variable Displacement Pump - Exemplifying supreme adaptability and unrivaled versatility, this pump is a master of meeting diverse operational demands. Expertly crafted to adapt to ever-evolving requirements, it facilitates fluid transitions and superior control, adjusting harmoniously to your specific needs.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly aligns with reliability, creating a trustworthy operational framework: Meticulously crafted with a focus on flawless performance, it enhances reliability across every application, ensuring perfect synergy in your operations.:
2-G3/8; Expertly engineered for compact efficiency, designed to bolster streamlined and seamless operations. With a focus on precision, it ensures exceptional performance, even within the tightest confines.
3-G1/2; Built for resilience and reliability, laying a rock-solid foundation for your system's integrity. Constructed to withstand rigorous demands, it delivers steadfast durability in the most challenging environments.;
4-G3/4; Featuring advanced connectivity with superior control and enhanced system integration capabilities. It merges sophistication with efficiency, elevating your system's operational prowess to new heights.;
5, 55-G1; Boasting superior flow rates, this is ideal for high-demand applications, consistently delivering reliable performance. Engineered for excellence, it effortlessly tackles high-pressure challenges.;
6-G1 1/4; Offering unmatched performance, meticulously engineered to thrive in demanding environments. It sets new benchmarks in power and performance, effortlessly conquering challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Unleashing the full potential of your operations with cutting-edge components that redefine excellence and drive unmatched performance.:
C,Standard Type - A steadfast and dependable foundation, meticulously crafted to fulfill essential operational demands, providing unwavering support and unrivaled reliability to enhance your system's capabilities.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, optimizing the overall efficiency of your system. It ensures your operations are finely tuned for peak performance and maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering superior performance and reliability. Surpassing traditional limits, it achieves extraordinary outcomes with remarkable consistency.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Crafted meticulously to meet your specific needs, this provides precision control that aligns seamlessly with your operational goals, ensuring top-tier performance and reliability.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions perfectly synchronized with your unique operational demands. Experience the luxury of customizable configurations that effortlessly achieve your desired outcomes with utmost precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Impeccably designed to optimize your system's functionality, offering unmatched control and superior effectiveness, dramatically enhancing 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. Delivering precision tuning for unmatched system efficiency and adaptability, ensuring your system operates at peak performance.D/F - Introducing a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). Crafted with extraordinary precision, it maintains a specifically defined 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 adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly addressing every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unmatched pressure control with supreme accuracy across diverse applications.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series stands as a testament to masterful design, expertly conceived to address various applications, ensuring you receive a product that aligns seamlessly with your specific requirements, consistently delivering outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary 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 performance.
(9)Directional valve block inflow controller options: Choose from a comprehensive range 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, meticulously tailored to meet your specific needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to meet specific functional requirements with unparalleled precision and reliability, ensuring your system reaches its fullest potential.
(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 unwavering dependability, ensuring your system operates flawlessly under all conditions.
(12) Secondary Pressure Limitation Options: Immerse your system in a realm of security with our varied secondary pressure limitation configurations: Choose 'N' for ultimate freedom without pressure limiting protection, 'C' for synchronized pressure limitation across actuator ports A & B, or 'A---B---' for independent precision control at each port. Each option is meticulously calibrated in bar, ensuring unparalleled safety and reliability across your applications.
(13) Function ON/OFF and Pressure Outlet Options: Revolutionize your operational efficiency with our customizable function settings. For a streamlined setup, select 'N' to operate without function ON/OFF or pressure outlet. Opt for 'X' with C type pressure limitation, or choose 'S/S1' with AB type pressure limitation for heightened system control. Personalize further with 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, each designed for precision and functionality tailored to your needs.
(14) Operation Modes: Discover a versatile array of operation modes crafted for your specific control needs. 'A(1,2)' caters to manual operation with either a long or short handle, while 'E' introduces electric proportional control. Harness the flexibility of 'EA(1,2)', combining electric and manual for optimal control. For electric switching value control, choose 'D', or enhance it with manual capabilities using 'DA(1,2)'. 'M' offers manual friction positioning with a long handle. Choose 'H' and 'F' for pure hydraulic control, with pilot oil ports aligned or perpendicular, ensuring comprehensive command over your system.
(15) Ancillary Block Port Sizes: Unleash the power of adaptability with our precision-engineered port size options. Opt for /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration with your system. Each size is crafted to promise unrivaled performance and versatility, accommodating a broad spectrum of operational requirements.
(16) End Plate Options: Delve into our expertly designed end plate solutions for ultimate system enhancement. 'E1' provides standard external discharge of pilot oil with an oil return control port T. Elevate flexibility with 'E2', introducing an additional port Y. For advanced performance, 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring unparalleled performance.
E4 embraces the design of 'E1' but with an innovative internal pilot oil discharge and sealed port T, optimizing efficiency. 'E5' mirrors the robust features of 'E2', offering internal discharge for peak performance. 'E6' epitomizes sophistication, replicating 'E3' with advanced discharge control, meeting the most complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Discover our array of secure voltage and cable options, including the robust G12-12VDC, engineered for safety and reliability in the most demanding environments. Our specialized options deliver security and tailored solutions to meet your unique operational challenges.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 gracefully illuminated the hydraulic industry with an unwavering commitment to innovation and excellence that is truly unparalleled. As a prestigious and proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand as a beacon of national high-tech enterprise distinction, reflecting our steadfast dedication to technological advancement and the highest quality standards. Our unmatched expertise spans meticulous research, pioneering development, precise manufacturing, and strategic sales of superior hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we relentlessly pursue excellence, reinforcing our leadership in the field.
At the core of our impressive product line is the flagship marvel: the Enhanced Safety Atex Valve. This masterwork of modern engineering represents the pinnacle of cutting-edge hydraulic system control, meticulously engineered for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in essential applications such as emergency rescue operations, tunnel engineering, mining endeavors, and the operation of municipal service vehicles. We are profoundly committed to strategic alliances with leading domestic manufacturers, driving the advancement of core hydraulic component localization for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to delivering exceptional products, unmatched services, and groundbreaking solutions. With a vision to become a globally 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.
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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.
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