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 - The backbone of reliability, this pump ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework: Crafted with meticulous attention to detail for flawless performance, elevating reliability across every application.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for your system's integrity. Built to endure, delivering steadfast durability in the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to new heights: Unlocking the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored 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); Immerse yourself in a world of custom-engineered solutions designed to harmonize effortlessly with your specific operational needs. Discover the power of customizable configurations that allow you to achieve your desired results with ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Redefine efficiency and control with this expertly crafted component, designed to elevate your system's performance. Benefit from unparalleled control and supreme effectiveness, transforming your operational capabilities to new heights.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, releasing it when unpowered; D - Normally closed magnetic ball valve, releasing the pump when powered, activating it when unpowered. Achieve extraordinary system efficiency and adaptability through precision tuning.D/F - Experience the cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with extraordinary accuracy to uphold a precisely defined pressure level, significantly enhancing advanced safety protocols while optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in unrivaled versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, aligning seamlessly with every hydraulic requirement. The /NF configuration is devoid of a pressure limiting valve, intelligently crafted for HLPSV to provide unmatched pressure control across a wide range of applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Ingenuity:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, skillfully created to meet every application need, ensuring you acquire a product that aligns seamlessly 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; Experience the seamless integration of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless performance, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an extensive selection: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller. Enjoy pre-selectable options, each offering precision and exceptional efficiency, tailored to meet your specific requirements.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs with unmatched precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available at 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: Discover unparalleled protection with our customizable pressure limitation settings. Opt for 'N' if you require zero pressure limiting protection, ensuring raw and unfiltered power. Choose 'C' for simultaneous safeguarding of actuator ports A & B, or 'A---B---' for distinctive, independent pressure defense. Each selection is meticulously calibrated in bar, guaranteeing the utmost system safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operational capability with our tailor-made configurations. Select 'N' for a simplified operation without function ON/OFF or pressure outlet, perfectly suited for those who prefer a straightforward setup. Opt for 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation to enhance your system's control. For pinpoint precision, choose 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, each designed to offer unmatched accuracy and functionality.
(14) Operation Modes: Explore a comprehensive array of operation modes, meticulously engineered for versatility and precision. 'A(1,2)' offers manual operation with either a long or short handle, catering to your specific handling needs. 'E' provides electric proportional control, seamlessly integrated with manual operation in 'EA(1,2)' for complete flexibility. 'D' offers electric switching value control, while 'DA(1,2)' enhances it with manual capabilities. 'M' is crafted for manual friction positioning, featuring a long handle. Experience unparalleled hydraulic control with 'H' and 'F', each with pilot oil ports skillfully aligned or perpendicular, ensuring ultimate command over your system.
(15) Ancillary Block Port Sizes: Experience a new standard in adaptability with our array of expertly engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each meticulously crafted for seamless integration and adaptability across a multitude of systems, ensuring unrivaled performance and cohesion.
(16) End Plate Options: Delve into our range of precision-engineered end plate solutions. 'E1' serves as your foundational standard, providing external pilot oil discharge with an oil return control port T. 'E2' is designed for enhanced flexibility, adding an extra port Y. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior system performance.
End Plate Options Continued: 'E4' mirrors 'E1' with an innovative internal discharge of pilot oil and a sealed port T, promoting heightened efficiency. 'E5' replicates the robust features of 'E2' with an internal discharge, maximizing performance. 'E6' captures the sophisticated design of 'E3', delivering cutting-edge discharge control for the most complex system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable selection, including G12-12VDC, specifically designed for safety and reliability even in the harshest conditions. Our offerings are engineered to deliver specialization and security, ensuring your system's robust performance.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, brilliantly illuminating the path of relentless innovation and unmatched excellence. As a distinguished and respected subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. This designation is a testament to our steadfast dedication to advancing technology and maintaining superior quality standards. Our unparalleled expertise spans across meticulous research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated nationally as a 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our pursuit of excellence, continuously reinforcing our leadership position in the hydraulic field.
At the core of our product line lies our flagship innovation: the Enhanced Safety Atex Valve. This remarkable feat of modern engineering represents the pinnacle of advanced hydraulic system control, meticulously crafted for use in construction machinery and robust heavy-duty equipment. It plays a critical role in essential applications, from emergency rescue operations to tunnel engineering, mining undertakings, and the operation of municipal service vehicles. We are deeply committed to forging strategic alliances with leading domestic manufacturers, driving the localization and advancement of core hydraulic components for high-end mechanical equipment. Guided by our philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we are steadfast in our mission to deliver exceptional products, unparalleled services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we continually 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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