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 - A cornerstone of reliability, this pump delivers unwavering, consistent performance, ensuring your machinery operates with seamless precision and efficiency. Unleash the exemplary dependability that keeps your systems running smoothly and efficiently.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, this pump offers remarkable flexibility to accommodate a vast range of operational needs. Designed for evolving demands, it enables smooth transitions and exceptional control, setting new benchmarks in versatility.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, these ports create a sturdy operational framework: Exquisitely crafted with meticulous detail to ensure flawless execution, enhancing reliability in every conceivable application.:
2-G3/8; Designed for compact excellence, this port supports streamlined operational efficiencies while maintaining precision. It's crafted to deliver outstanding results even in the most confined spaces, ensuring performance that meets the highest standards.
3-G1/2; Built for robustness and reliability, this port forms a solid foundation for your system's integrity. It's engineered to withstand demanding conditions, offering steadfast durability that stands the test of time.;
4-G3/4; With advanced connectivity, this port offers superior control and enhanced system integration. It merges sophistication with efficiency, elevating your system's operational capabilities to new heights.;
5, 55-G1; Delivering superior flow rates, this port is perfect for high-demand applications, ensuring consistent and reliable performance. Designed with excellence in mind, it manages high-pressure challenges effortlessly.;
6-G1 1/4; Setting a new standard in performance, this port is expertly engineered to excel in demanding environments, effortlessly tackling challenges and delivering outstanding power and performance.;
(3) Additional Components and Specifications - Elevating system performance to unprecedented levels: These advanced components unlock the true potential of your operations, redefining industry excellence and setting new benchmarks for success.:
C,Standard Type - A solid and dependable foundation, meticulously designed to meet core operational needs. Providing unwavering support and unmatched reliability, it empowers your system with essential strength and dependability.;
G,Throttle Valve (For HLPSL only) - Offers precision control, significantly boosting the efficiency of your system. It ensures your operations are finely tuned and optimized for maximum effectiveness, guaranteeing superior performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving unparalleled performance and dependability. It transcends conventional limits to deliver extraordinary results, ensuring your system operates at peak efficiency.;
(4) Pilot Oil Circuit Pressure Options - Dive into a realm of bespoke pressure control solutions crafted to cater to a multitude of applications: Uniquely designed to meet your specific requirements, offering precise control that seamlessly aligns with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Unlock the potential of custom-engineered solutions meticulously tailored to integrate flawlessly with your unique operational requirements. Discover customizable configurations that guarantee the effortless achievement of your desired outcomes with peerless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly crafted to optimize performance, offering unmatched control and exceptional effectiveness that revolutionizes 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. Achieve precision tuning for unparalleled system efficiency and adaptability.D/F - Behold a state-of-the-art, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is designed with extraordinary accuracy to maintain a specifically defined pressure, significantly advancing safety measures and optimizing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar. This component epitomizes adaptability, meeting every hydraulic demand with seamless precision. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unrivaled pressure control across diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design excellence, skillfully devised to address every application, ensuring you acquire a product that perfectly aligns with your specific needs, delivering consistently superior 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 seamless integration and flawless efficiency.
(9)Directional valve block inflow controller options: Choose from a vast 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 specific needs.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with unmatched precision and 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, each designed for ultimate performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Elevate your hydraulic system's security with our precision-engineered pressure limitation selections. Choose 'N' for no pressure limiting protection, 'C' for concurrent limitation of actuator ports A & B, or 'A---B---' for independent pressure limitation for each port. All options are meticulously calibrated in bar, ensuring unparalleled safety and reliability.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our selection of customizable options. Choose 'N' for a simplified setup without function ON/OFF or pressure outlet. Select 'X' with C type pressure limitation, or 'S/S1' with AB type pressure limitation for superior control. Opt for 'A' for electrical ON/OFF on side A, or 'B' for electrical ON/OFF on side B, each option crafted for exceptional precision and functionality.
(14) Operation Modes: Explore a diverse array of operation modes tailored for versatility and precision. 'A(1,2)' provides manual operation with long or short handle options. 'E' delivers electric proportional control, while 'EA(1,2)' integrates manual operation for enhanced flexibility. 'D' offers electric switching value control, with 'DA(1,2)' adding manual operation for greater adaptability. 'M' is designed for manual friction positioning with a long handle. Discover 'H' and 'F' for pure hydraulic control, with pilot oil ports proficiently configured either aligned or perpendicular for comprehensive system mastery.
(15) Ancillary Block Port Sizes: Transform adaptability with our expertly crafted port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each designed for seamless integration and enhanced adaptability, ensuring optimal performance across diverse systems.
(16) End Plate Options: Discover our meticulously designed end plate solutions. 'E1' provides standard features with external discharge of pilot oil and an oil return control port T. 'E2' expands functionality with an additional port Y for higher flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels when activated, guaranteeing superior performance.
E4 mirrors 'E1', incorporating an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. 'E5' emulates 'E2's robust features with internal discharge for peak performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control tailored for intricate system requirements.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure, reliable suite of options, including G12-12VDC, crafted to ensure safety and reliability even in the most demanding applications. Our offerings are designed for 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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), our reputation as a national high-tech enterprise is a testament to our unwavering commitment to advancing technology and maintaining superior quality standards. Our expertise spans comprehensive research, pioneering development, precise manufacturing, and strategic sales of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are relentless in our pursuit of excellence, reinforcing our leadership in the field.
At the core of our product offerings lies the flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of hydraulic system control technology, meticulously designed for use in construction machinery and heavy-duty equipment. It plays a crucial role in essential applications, from emergency rescue operations and tunnel engineering to mining endeavors and the deployment of municipal service vehicles. Our dedication to strategic partnerships with leading domestic manufacturers propels the advancement of core hydraulic component localization for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing with attitude, retaining with quality'-we remain committed to delivering exceptional products, unparalleled services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we continually aspire to set new standards of excellence internationally.
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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