Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels epitomize hydraulic innovation, masterfully integrating pressure, flow, and directional control into a unified masterpiece, ensuring unmatched performance and reliability in every application. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are crafted for seamless integration into high-end hydraulic systems, crucial for superior engineering machinery. They expertly 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. Furthermore, they enable multiple actuators to operate concurrently under diverse 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. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in offering 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 - A true stalwart of reliability, this pump guarantees unwavering performance, ensuring seamless and proficient operations throughout your system. Experience the unparalleled dependability that maintains your machinery's optimal performance.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers remarkable flexibility to cater to a wide array of operational requirements. Engineered to meet evolving demands, it provides smooth transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - Precision and reliability coalesce to build a steadfast operational framework: Engineered with meticulous detail to ensure flawless functionality, elevating reliability in every application.:
2-G3/8; Expertly crafted for compact efficiency, designed to bolster streamlined and smooth operational efficiencies. Perfect for precision, it delivers outstanding performance in even the tightest spaces.
3-G1/2; Built for robustness and dependability, providing a strong foundation for your system's integrity. Engineered to withstand, delivering steadfast durability in the most challenging conditions.;
4-G3/4; Featuring advanced connectivity, offering enhanced system integration and superior control. It blends sophistication with efficiency to elevate your system's operational excellence.;
5, 55-G1; Designed for superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance. Crafted for excellence, it effortlessly meets high-pressure challenges.;
6-G1 1/4; Offering unmatched performance, expertly designed to excel in demanding environments and tackle challenges with ease. It sets new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Harnessing the full potential of your operations with cutting-edge components that redefine excellence.:
C,Standard Type - A steadfast and reliable foundation, designed meticulously to meet core operational needs. It provides unwavering support and unparalleled reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing overall system efficiency. It assures your operations are finely tuned for peak effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unrivaled performance and reliability. It transcends traditional limits to deliver remarkable results.;
(4) Pilot Oil Circuit Pressure Options - Unlock the potential of custom pressure control solutions tailored specifically for diverse applications. Experience precision control that harmonizes effortlessly with your operational objectives, all meticulously designed to meet your exact specifications.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our custom-engineered solutions are designed to align seamlessly with your operational needs, providing customizable configurations that ensure you achieve your desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control with our expertly designed valve. It optimizes performance, offering unparalleled control and effectiveness, transforming your operational capabilities like never before.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. Achieve unmatched system efficiency and adaptability with precision tuning.D/F - Presenting a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). Crafted with exceptional accuracy, this marvel maintains a defined pressure value, significantly enhancing safety and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar. This component epitomizes adaptability, expertly crafted for HLPSV to deliver unmatched pressure control and supreme accuracy across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, skillfully conceived to meet every application need, ensuring you procure a product that aligns seamlessly with your 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; Equipped with ancillary 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. Each pre-selectable option offers precision and exceptional efficiency to meet your specific needs.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted for precise functional requirements with unmatched reliability.
(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, all designed to deliver supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Ensure peak safety and reliability with our diverse pressure limitation choices. Opt for 'N' for systems without pressure limiting protection. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, or 'A---B---' for independent limitation on each port. Each option is meticulously calibrated in bar, guaranteeing uncompromising system protection and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational precision with our tailored selections. Choose 'N' for a setup free from function ON/OFF or pressure outlet. Opt for 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation for superior control. Select 'A' for electrical ON/OFF on side A, or 'B' for side B, each designed for precise functionality and customization.
(14) Operation Modes: Discover an array of operation modes crafted for versatility and accuracy. 'A(1,2)' provides manual operation with a choice of long or short handle. 'E' offers electric proportional control, while 'EA(1,2)' merges it with manual operation for maximum flexibility. 'D' delivers electric switching value control, with 'DA(1,2)' adding manual operations. 'M' is perfected for manual friction positioning with a long handle. Experience pure hydraulic control with 'H' and 'F', featuring pilot oil ports precisely aligned or perpendicular, ensuring comprehensive and precise control.
(15) Ancillary Block Port Sizes: Experience unparalleled adaptability with our expertly designed port size choices. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered for flawless integration and adaptability, ensuring top performance across diverse systems.
(16) End Plate Options: Delve into our meticulously designed end plate solutions. 'E1' offers a standard external discharge of pilot oil with an oil return control port T. 'E2' enhances functionality with an additional port Y for increased flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring superior performance.
E4, echoing 'E1', features an advanced internal discharge of pilot oil with a sealed port T, enhancing efficiency. 'E5' mirrors the robust features of 'E2' with internal discharge for peak performance. 'E6' exemplifies the sophisticated design of 'E3', offering advanced discharge control for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable range, including G12-12VDC, designed for safety and reliability in the most demanding environments. Our options offer specialization 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 brilliance in the hydraulic industry, dazzling the world with its relentless pursuit of innovation and unmatched excellence. As a proud and esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise, a testament to our commitment to advancing technology and maintaining superior quality standards. Our unmatched expertise spans across meticulous research, pioneering development, precise manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain resolute in our pursuit of excellence, reinforcing our leadership position in the field.
At the core of our product offerings is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering embodies the pinnacle of cutting-edge hydraulic system control, meticulously engineered for use in construction machinery and robust heavy-duty equipment. It is pivotal in critical applications, including emergency rescue operations, tunnel engineering, mining endeavors, and the deployment of municipal service vehicles. We are deeply committed to strategic partnerships with leading domestic manufacturers, advancing 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 are dedicated to delivering exceptional products, unmatched services, and innovative solutions. With a vision to become a globally recognized supplier of premier hydraulic components, we aspire to continually 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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