Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Experience the epitome of hydraulic innovation with these revolutionary engineering marvels, which harmoniously combine pressure, flow, and directional control into a singular, cohesive masterpiece. Our valves ensure unparalleled performance and steadfast reliability across a full spectrum of applications. Typically comprising three integral functional modules - connecting blocks, directional valves, and end plates - these precision-engineered components are designed for seamless integration into high-end hydraulic systems, critical for superior engineering machinery. They expertly manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. The key highlights of these valves include an ultra-compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under various load conditions, delivering extraordinary performance and versatility for any demanding application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation regardless of environmental challenges. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems, and while they may exhibit a marginally slower response, they excel in providing remarkable energy-saving performance. This makes them the optimal choice for situations where efficiency and energy conservation are paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal blend of precision, steadfast 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 ultimate in reliability, this robust pump ensures continuous and steady performance, empowering operations with seamless efficiency. Discover the unmatched dependability that keeps your machinery running smoothly.;
HLPSV: Variable Displacement Pump - A symbol of adaptability and versatility, this pump provides exceptional flexibility to cater to diverse operational needs. Designed to embrace evolving requirements, it facilitates flawless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, creating a trustworthy operational framework: Crafted with meticulous care for impeccable performance, enhancing reliability in every application.:
2-G3/8; Expertly engineered for compact proficiency, designed to enable streamlined and seamless operational efficiencies. Its precision crafting ensures outstanding performance even in the tightest spaces.
3-G1/2; Developed for robustness and reliability, providing a sturdy foundation for your system's integrity. Built to last, it delivers steadfast durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhanced system integration. It merges sophistication and efficiency, elevating your system's operational excellence.;
5, 55-G1; Delivers superior flow rates, ideal for high-demand applications, ensuring consistent and dependable performance. Designed for excellence, it effortlessly handles high-pressure challenges.;
6-G1 1/4; Offering unparalleled performance, expertly engineered to excel in challenging environments and tackle difficulties with ease. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels: Unlock the complete potential of your operations with cutting-edge components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational needs. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. It ensures your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving extraordinary performance and reliability. It exceeds conventional limits to deliver remarkable results.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications: Customizable to your specific needs, providing precision control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions precisely crafted to align seamlessly with your unique operational demands. Experience customizable configurations that ensure effortless achievement of your desired outcomes with absolute precision and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Masterfully engineered to enhance the performance of your system, providing unparalleled control and effectiveness that transforms your operational capabilities into a realm of superior efficiency.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered. Offering precision tuning for unmatched efficiency and adaptability in system operations.D/F - Introducing a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable precision to maintain a specifically defined pressure value, significantly boosting advanced safety measures and optimizing operational reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings ranging from 63, 120, 210, 280, 315, 350, to 400 bar levels. This component epitomizes adaptability, seamlessly meeting all hydraulic requirements with supreme accuracy. The /NF configuration presents systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully conceived to address every application, ensuring a product that flawlessly aligns with your specific requirements, delivering consistently outstanding 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 integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive 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, tailored to your precise needs.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Attain 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 unwavering dependability.
(12) Secondary Pressure Limitation Options: Unveil superior customization with our selection of pressure limitation settings, precisely designed for ultimate safety. Opt for 'N' if no pressure limiting protection is desired. Choose 'C' for concurrent pressure limitation of actuator ports A & B, ensuring synchronized protection. Alternatively, select 'A---B---' for independent pressure limitation of ports A & B, each meticulously measured in bar, to uphold the highest standards of system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operations with our sophisticated ON/OFF and pressure outlet selections. Opt for 'N' to maintain simplicity without function ON/OFF or pressure outlet. For advanced control, select 'X' for C type pressure limitation, or 'S/S1' for AB type pressure limitation. Additionally, choose 'A' for electrical ON/OFF on side A or 'B' for electrical ON/OFF on side B, both engineered for precision and efficiency.
(14) Operation Modes: Dive into a diverse range of operation modes that cater to every need. 'A(1,2)' provides manual control with customizable handle options. 'E' unlocks precise electric proportional control, while 'EA(1,2)' combines it with manual operation for maximum versatility. 'D' offers electric switching value control, with 'DA(1,2)' adding manual operation. Experience manual friction positioning with 'M', or pure hydraulic control with 'H' and 'F', featuring pilot oil ports aligned or perpendicular, delivering exceptional command.
(15) Ancillary Block Port Sizes: Experience unparalleled adaptability with our port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. These expertly designed options ensure seamless integration into various systems, promising exceptional performance and adaptability across a myriad of applications.
(16) End Plate Options: Discover our expertly crafted end plate solutions for enhanced system performance. 'E1' offers standard functionality with an external discharge of pilot oil and an oil return control port T. 'E2' adds an extra port Y for increased flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior performance.
E4 mirrors 'E1', integrating an internal discharge of pilot oil with a sealed port T, optimizing efficiency. 'E5' mirrors 'E2', offering internal discharge for peak performance. 'E6' embodies the advanced features of 'E3', providing sophisticated discharge control for the most demanding system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure range, including G12-12VDC, designed for reliability in challenging environments. Our specialized options guarantee security and reliability.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 commitment to innovation and unparalleled excellence. As a proud and prestigious subsidiary of the revered China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, a testament to our unwavering dedication to technological progression and superior quality standards. Our unparalleled expertise encompasses the meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our pursuit of excellence, reinforcing our leadership position in the field.
At the heart of our product line stands the flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering embodies the zenith of cutting-edge hydraulic system control, meticulously crafted for deployment in construction machinery and robust heavy-duty equipment. It plays a vital role in imperative applications ranging from emergency rescue operations to tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to our strategic alliances with leading domestic manufacturers, propelling the advancement of core hydraulic component localization for high-end mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to emerge as a globally trusted supplier of premier hydraulic components, we continually aspire 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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