Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of modern engineering and the epitome of hydraulic innovation. These remarkable valves expertly unite pressure, flow, and directional control into a singular, cohesive entity, ensuring a level of performance and reliability that is simply unrivaled in the industry. Comprised of three essential modules - connecting blocks, directional valves, and finely crafted end plates - these precision-engineered valves effortlessly integrate into sophisticated hydraulic systems, making them indispensable for cutting-edge engineering machinery. They deftly manage the direction and velocity of hydraulic cylinders, motors, and other actuators, delivering precision and control like never before. Key features of these valves include a sleek and compact design, outstanding energy efficiency, and the ability for stepless speed modulation. Furthermore, they enable multiple actuators to function simultaneously under diverse load conditions, offering exceptional performance and adaptability for any demanding application.
The HLPSL valves have been meticulously designed to serve constant displacement pump systems, ensuring unwavering and dependable operation in any setting. Conversely, the HLPSV valves have been ingeniously crafted for variable pump systems, where they shine with their impressive energy-saving capabilities, making them the ultimate choice when efficiency is a priority. While HLPSV valves may display a marginally slower response, their state-of-the-art engineering allows them to deliver superior energy conservation, positioning them as the premier solution for advanced hydraulic control requirements. They offer an exquisite blend of precision, dependability, and energy efficiency, catering to the most discerning hydraulic control needs.
| 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 your hydraulic system, this pump guarantees unwavering and consistent performance, ensuring your operations run seamlessly and efficiently. Witness its exceptional reliability, keeping your machinery functioning at peak performance.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump provides outstanding flexibility to cater to a wide range of operational requirements. Masterfully designed for evolving needs, it ensures seamless transitions and superior control for enhanced system management.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here to establish a dependable framework for operations. Carefully crafted with precision, these ports elevate the reliability and performance of your applications across various scenarios.:
2-G3/8; Engineered for compact efficiency, this design supports seamless operational processes. Its precision craftsmanship ensures outstanding performance, even in tight spaces, making it an ideal choice for compact systems.
3-G1/2; Built for robustness and dependability, this component provides a solid foundation for maintaining system integrity. It is designed to withstand demanding conditions while ensuring long-lasting durability.;
4-G3/4; With advanced connectivity, this component offers superior control and enhances system integration, bringing sophistication and efficiency to elevate your system's operational excellence.;
5, 55-G1; Delivering superior flow rates for high-demand applications, this component ensures consistent and reliable performance. Designed for excellence, it effortlessly meets high-pressure challenges.;
6-G1 1/4; Unmatched in performance, this component excels in demanding environments, effortlessly tackling challenges. It sets a new benchmark for power and performance in your system.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels, these advanced components unlock the full potential of your operations, setting new standards in excellence and performance.:
C,Standard Type - A steadfast and trusted foundation meticulously crafted to meet essential operational demands. It provides unwavering support and unmatched reliability, empowering your system with confidence.;
G,Throttle Valve (For HLPSL only) - Precision control is guaranteed, enhancing overall system efficiency. This valve ensures your operations are finely tuned for maximum effectiveness and responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, delivering unparalleled performance and reliability. It transcends conventional limits to achieve extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Tailored precisely to your specific requirements, these options offer custom pressure control solutions for a diverse range of applications, providing precision control that aligns seamlessly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom-engineered solutions tailored to seamlessly align with your unique operational demands. Experience customizable configurations that ensure you achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly designed to optimize your system's performance, offering unparalleled control and superior effectiveness that transforms 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. Providing precision tuning for unmatched system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with remarkable accuracy to maintain a specifically defined pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unmatched pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, skillfully conceived to address every application, ensuring you procure 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 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.
(9)Directional valve block inflow controller options: Select 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. Experience pre-selectable options, each offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched 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: Elevate your system's safety with our expertly crafted secondary pressure limitation choices! Select 'N' for systems without pressure limiting protection, 'C' for concurrent limitation across actuator ports A & B, or 'A---B---' for independent pressure limitation at each port. Each option is precisely calibrated in bar to guarantee the utmost safety and reliability of your system.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our versatile selections. Choose 'N' for a setup without function ON/OFF or pressure outlet. Opt for 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation for superior command. Select 'A' or 'B' for electrical ON/OFF on side A or B, respectively, each tailored for exquisite precision and performance.
(14) Operation Modes: Discover a wide array of operation modes meticulously crafted for versatility and precision. The 'A(1,2)' mode provides manual control with a choice of long or short handle. 'E' offers electric proportional control, while 'EA(1,2)' merges this with manual operation for unmatched flexibility. 'D' equips electric switching value control, and 'DA(1,2)' adds manual operation. 'M' is customized for manual friction positioning with a long handle. Experience 'H' and 'F' for pure hydraulic control, with strategically aligned or perpendicular pilot oil ports, ensuring total command.
(15) Ancillary Block Port Sizes: Revolutionize adaptability with our precision-engineered port size selection. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each meticulously crafted option ensures seamless integration and adaptability, delivering top-tier performance across diverse systems.
(16) End Plate Options: Uncover our meticulously engineered end plate solutions. 'E1' stands as the standard, offering external discharge of pilot oil and oil return control port T. 'E2' enhances flexibility with an additional port Y. 'E3' introduces a 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels upon activation, promising superior performance.
E4 mirrors 'E1' with an advanced internal discharge of pilot oil and a sealed port T for improved efficiency. 'E5' replicates 'E2's robust features with internal discharge, ensuring optimal functionality. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control tailored for the most complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure and reliable assortment, including G12-12VDC, engineered for safety and steadfast reliability in the most challenging environments. Our options are crafted to assure specialization and security.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 unmatched expertise encompasses 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, continually reinforcing our leadership 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, including emergency rescue operations, tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are profoundly committed to 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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