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 - Your key to unlocking system excellence and operational mastery.
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); Elevate your operations with our custom-engineered solutions that dovetail seamlessly with your unique demands. Experience a suite of configurations that deliver desired results with unparalleled ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience a leap in efficiency and control: Meticulously designed to enhance system performance, this valve offers unmatched control and superior efficacy, transforming operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powering the pump when activated, unloading when deactivated; D - Normally closed magnetic ball valve, unloading the pump when activated, powering when deactivated. Achieve precision tuning for unparalleled system efficiency and adaptability.D/F - Discover a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with precision to sustain a specific pressure level, greatly enhancing safety measures and optimizing operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Explore the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component embodies adaptability, meeting every hydraulic need with ease. The /NF configuration, crafted for HLPSV, offers systems without a pressure limiting valve, delivering peerless pressure control across varied applications with pinpoint accuracy.
(7) Product Series Classification - Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously conceived to meet every need, ensuring you acquire a product perfectly aligned with your requirements, consistently delivering 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, expertly engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller. Benefit from pre-selectable options offering precision and outstanding efficiency, crafted to your specific needs.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each designed 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: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Experience unmatched system safety and reliability with our finely calibrated pressure limitation selections. Choose from: N, offering no pressure limiting protection; C, ensuring concurrent pressure limitation for actuator ports A & B; or A---B---, providing independent pressure limitation for ports A & B. Each option is precisely measured in bar, guaranteeing optimal performance and uncompromising safety.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operational capabilities with our range of customizable selections. Opt for 'N' if you prefer a simplified setup without function ON/OFF or pressure outlet capabilities. Select 'X' for integration with C type pressure limitation, or 'S/S1' for advanced AB type pressure limitation, enhancing your control experience. Choose 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, each meticulously designed for precision and exceptional functionality.
(14) Operation Modes: Discover a diverse array of operation modes crafted for versatility and precision. 'A(1,2)' provides manual operation with options for a long or short handle. 'E' delivers electric proportional control, while 'EA(1,2)' expertly combines it with manual operation, offering maximum flexibility. 'D' features electric switching value control, and 'DA(1,2)' extends manual operation capabilities. 'M' is precisely tailored for manual friction positioning using a long handle. Experience unparalleled hydraulic control with 'H' and 'F', where pilot oil ports are expertly aligned or set perpendicular, ensuring comprehensive system command.
(15) Ancillary Block Port Sizes: Achieve unparalleled adaptability with our precisely engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is crafted to ensure seamless integration and adaptability, promising peak system performance across diverse applications and settings.
(16) End Plate Options: Delve into our expertly crafted end plate solutions. 'E1' is your standard choice, providing external discharge of pilot oil and an oil return control port T. 'E2' provides additional flexibility with an added 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 and reliability.
E4, echoing 'E1', integrates an innovative internal discharge of pilot oil with a sealed port T, enhancing efficiency. 'E5' mirrors the robust features of 'E2' with an internal discharge, optimizing performance. 'E6' embodies the advanced design of 'E3', offering sophisticated discharge control for the most intricate system applications.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and reliable range, including G12-12VDC, engineered for assured safety and dependability even in the most demanding environments. Our selections are meticulously crafted to deliver specialized solutions and enhanced 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 been a beacon of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly represent a national high-tech enterprise, dedicated to pushing the boundaries of technology and maintaining superior quality standards. Our expertise spans the comprehensive research, groundbreaking development, precise manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of excellence, consistently reinforcing our leadership position in the field.
At the core of our product offerings is the flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel represents the pinnacle of modern hydraulic system control, expertly designed for use in construction machinery and formidable heavy-duty equipment. It is essential in critical applications such as emergency rescue operations, tunnel engineering, mining projects, and municipal service vehicles. We are deeply committed to forging strategic alliances with leading domestic manufacturers to advance the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we strive to provide exceptional products, unparalleled services, and innovative solutions. With a vision of becoming a globally trusted supplier of premier hydraulic components, we continually aim 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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