Introducing our groundbreaking HLPSL and HLPSV Load-Sensitive Proportional Multi-Way Directional Spool Valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, playing a crucial role in elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 - As the bedrock of consistent performance, this pump elevates your system into a masterpiece of engineering prowess, ensuring relentless reliability and precision. Discover exceptional steadiness that powers your machinery to achieve new heights of accuracy and efficiency.;
HLPSV: Variable Displacement Pump - Embodying innovative versatility, this pump masterfully adapts to diverse operational needs, enabling seamless transitions and impeccable control. Its cutting-edge design keeps your system on the forefront of dynamic performance.;
(2) Connection Block Ports P & R Specifications - Where precision and steadfast reliability unite, crafting a solid operational core. These intricately designed specifications deliver flawless execution and enhanced dependability, forming an unbreakable pillar for your success.:
2-G3/8; This design epitomizes compact efficiency, facilitating streamlined operational excellence. Skillfully engineered for tight spaces, it assures uncompromising performance with remarkable precision.
3-G1/2; Built for resilience and unwavering reliability, this component stands as a robust cornerstone for your system's durability. It's crafted to endure harsh conditions, delivering steadfast performance.;
4-G3/4; With advanced connectivity, this component provides unparalleled control and seamless integration. Its refined design boosts system efficiency, enhancing operational capabilities with finesse and precision.;
5, 55-G1; Expertly handling high-demand scenarios, this component delivers remarkable flow rates and robust performance. Crafted for peak excellence, it easily manages high-pressure challenges with precision.;
6-G1 1/4; Designed for spectacular performance, this component thrives in demanding environments. It sets new benchmarks with its power and capability, effortlessly tackling challenging tasks and exceeding expectations.;
(3) Additional Components and Specifications - Transform your operations into paragons of excellence with advanced components that raise the bar on performance. These high-tech specifications unlock superior capabilities, turning your system into a model of operational success.:
C,Standard Type - Serving as a reliable foundation, this component is meticulously designed to meet essential operational needs, granting steadfast support and reliability. It enables your system to reach its full potential with unwavering confidence.;
G,Throttle Valve (For HLPSL only) - Achieve precise control and heightened efficiency with this valve, which optimizes operations for maximum effect, ensuring harmonious synergy across all components for peak results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimize flow management and drive exceptional performance with this valve, surpassing traditional limits to deliver extraordinary reliability and results.;
(4) Pilot Oil Circuit Pressure Options - Experience the ultimate in power and precision with our bespoke pressure control solutions, meticulously designed to cater to a multitude of applications. Our options are crafted with exceptional accuracy to perfectly align with your operational goals, ensuring unparalleled performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar). Seamlessly integrate our custom-engineered solutions into your operations for effortless precision and achievement of desired outcomes with customizable configurations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's performance and control. Our expertly crafted valves enhance efficiency, offering unparalleled control and effectiveness, thereby revolutionizing your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes pump under power, unloads when unpowered; D - Normally closed magnetic ball valve, unloads pump under power, pressurizes when unpowered. Achieve unmatched system efficiency and adaptability with precision tuning.D/F - Discover our state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain specific pressure values, elevating safety measures and optimizing operational security to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace the ultimate in versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, effortlessly meeting every hydraulic need. The /NF configuration provides systems without a pressure limiting valve, designed for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series. Each series represents a pinnacle of design excellence, expertly crafted to meet every application, guaranteeing a product that seamlessly aligns with your specific requirements for consistently outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1. Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from an extensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet tailored for N 3/3-way valve; 5, enhanced inflow controller. Discover precision and efficiency, customized to your needs.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each crafted with precise engineering to meet specific functional demands with unrivaled reliability.
(11) Output flow code for ports A & B: Reach peak system efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Embrace exceptional safety and unwavering reliability with our state-of-the-art pressure limitation options, meticulously calibrated in bar for your utmost confidence. Opt for 'N' for operations devoid of pressure limiting protection, perfectly suited for uncomplicated tasks. Choose 'C' for scenarios that necessitate simultaneous pressure limitation on actuator ports A & B, guaranteeing consistent and dependable performance. For customized and autonomous control, select 'A---B---', delivering specialized management of ports A and B. Each option is crafted with precision to maintain the pinnacle of system integrity, ensuring your operations are secure and seamless.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a diverse selection of customizable options designed for optimal performance. For simple operations, opt for 'N', which excludes function ON/OFF and pressure outlet requirements. When your process demands advanced control, 'X' in conjunction with C type pressure limitation is optimal, or select 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Every option is crafted with meticulous attention to detail, ensuring maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our comprehensive spectrum of operation modes, each carefully designed for unmatched versatility and precision. 'A(1,2)' facilitates manual operation with a choice of a long or short handle, catering to your ergonomic preferences. 'E' offers sophisticated electric proportional control, while 'EA(1,2)' combines this with manual operation for enhanced adaptability and responsiveness. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for manual adjustments. Choose 'M' for specialized manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive control and mastery over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each option is crafted for unrivaled adaptability, delivering peak performance across diverse systems and operational demands, ensuring your system consistently operates at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, each engineered to meet the highest standards of functionality and adaptability. 'E1' sets the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' extends your capabilities with an additional port Y, providing enhanced flexibility. 'E3' is designed for advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards when activated, ensuring superior functionality and reliability.
E4 reflects 'E1', incorporating cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' merges the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', delivering advanced discharge control, ideal for demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, purposefully designed for safety and reliability even in the harshest environments. Our offerings provide customized solutions and security tailored to any application, ensuring your system's stability and performance are consistently maintained.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unparalleled excellence in the hydraulic industry. As a notable subsidiary of the esteemed China Baoan Group (stock code: 000009), we take pride in our status as a national high-tech enterprise. Our relentless dedication to pioneering technological advancements and maintaining superior quality standards sets us apart. Our extraordinary expertise spans comprehensive research, cutting-edge development, precision manufacturing, and strategic marketing of premium hydraulic components. Celebrated across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are resolute in our mission to consistently elevate our standards, reinforcing our leadership in the industry.
At the core of our innovative product range is our flagship marvel: the Enhanced Safety Atex Valve. This pinnacle of modern engineering exemplifies state-of-the-art hydraulic system control, designed for seamless integration into construction machinery and heavy-duty equipment. Its vital functionality spans crucial applications, such as life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and essential municipal service vehicles. Our unwavering commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to producing exceptional products, delivering unmatched services, and offering groundbreaking solutions. With a vision to be globally recognized as a trusted supplier of premier hydraulic components, we ceaselessly strive to set new benchmarks of excellence on the world 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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