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, crucial for 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 - Elevate your operations with the hallmark of reliability and consistency, this pump ensures smooth and continuous workflow, transforming your system into an engineering marvel. Experience unwavering dependability, empowering your machinery with unmatched precision and excellence.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and forward-thinking innovation, this pump adapts seamlessly to diverse operational needs. Its cutting-edge design grants fluid transitions and superior control, ensuring your system remains at the forefront of performance with ease.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability to create a solid operational foundation. These carefully crafted specifications promise impeccable performance and enhanced dependability, providing a steadfast platform for success across all applications.:
2-G3/8; This design exemplifies compact efficiency, enabling streamlined operations with pinpoint precision. Perfectly crafted to thrive in space-restricted environments, it delivers outstanding performance without any compromise.
3-G1/2; Masterfully engineered for strength and reliability, this component is the bedrock for your system's endurance. Designed to endure demanding conditions, it offers steadfast durability and superior performance.;
4-G3/4; With advanced connectivity, this component ensures unparalleled control and integration. Its sophisticated design boosts system efficiency, enhancing overall operational capability with exceptional finesse.;
5, 55-G1; Known for delivering remarkable flow rates in high-demand scenarios, this component ensures robust and consistent performance. Crafted for excellence, it tackles high-pressure challenges with superior precision and ease.;
6-G1 1/4; Distinguished by extraordinary performance, this component excels in challenging environments, redefining benchmarks in power and capability. It effortlessly manages demanding tasks, setting new standards in performance.;
(3) Additional Components and Specifications - Amplify your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock groundbreaking performance levels, turning your operations into a benchmark of success.:
C,Standard Type - A reliable foundation, meticulously crafted to meet core operational needs. This component offers steadfast support and unmatched reliability, empowering your system to realize its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve unparalleled precision control to maximize your system's efficiency. This valve fine-tunes operations for optimum effectiveness, ensuring all components function in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering extraordinary performance and reliability. Surpassing conventional boundaries, it achieves exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unmatched power and precision through our custom pressure control solutions, engineered for diverse applications. These expertly crafted options are designed with meticulous attention to detail, ensuring exceptional accuracy and perfect alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover our custom-engineered solutions that seamlessly integrate with your operational needs. These customizable configurations are designed to empower your operations, allowing you to achieve your desired outcomes with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your operational capabilities with this expertly designed component. It enhances system efficiency and control, offering superior performance and unmatched effectiveness, revolutionizing how you manage your hydraulics.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when powered, disengages when unpowered; D - Normally closed magnetic ball valve, disengages the pump when powered, engages when unpowered. Experience precision tuning that delivers unrivaled system efficiency and adaptability.D/F - Discover a state-of-the-art, precisely engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to maintain a specific pressure value, dramatically enhancing advanced safety measures and optimizing operational reliability to unprecedented standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component represents adaptability at its finest, seamlessly fulfilling every hydraulic requirement with precision. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, ensuring supreme pressure control for diverse applications.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series exemplifies superior design, skillfully crafted to meet every application need, ensuring you receive a product that seamlessly integrates with your specific requirements, delivering 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, expertly crafted for seamless integration, ensuring optimal efficiency and exceptional performance.
(9)Directional valve block inflow controller options: Choose from a comprehensive range 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. Explore pre-selectable options that offer precision and exceptional efficiency, customized to meet your specific requirements.
(10) Valve core function symbols: Explore a vast spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously created to satisfy specific functional needs with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Attain peak efficiency with available 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: Elevate your safety and reliability to unparalleled heights with our expertly crafted pressure limitation choices, each precisely calibrated in bar to guarantee your peace of mind. For operations that don't require pressure limiting protection, select 'N' for straightforward tasks. Opt for 'C' to ensure simultaneous pressure limitation on actuator ports A & B, providing consistent and reliable performance. For tailored and independent control, choose 'A---B---', enabling specialized management of ports A and B. Every option is meticulously designed to meet the highest standards of system integrity, ensuring your operations remain secure, efficient, and seamlessly dependable.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operations with our customizable options designed for peak performance and efficiency. For straightforward operations, select 'N', featuring no function ON/OFF or pressure outlet requirements. For advanced control, select 'X' paired with C type pressure limitation or 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical control, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is meticulously crafted to ensure maximum precision, operational excellence, and unmatched efficiency.
(14) Operation Modes: Discover our diverse operation modes, expertly crafted for unparalleled versatility and precision. With 'A(1,2)', enjoy manual operation with a choice of a long or short handle, tailored to your ergonomic preferences. 'E' offers cutting-edge electric proportional control, while 'EA(1,2)' merges this with manual operation for superior adaptability and responsiveness. 'D' delivers electric switching value control, enhanced with 'DA(1,2)' for manual improvements. Opt for 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' present unique pilot oil port designs, either aligned or perpendicular, granting comprehensive control over your system.
(15) Ancillary Block Port Sizes: Experience a new level of adaptability and performance with our meticulously engineered port size choices. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each option is designed to deliver unmatched adaptability and peak performance across various systems and operational demands, promising your system operates at its finest.
(16) End Plate Options: Uncover our expertly crafted end plate solutions, each designed to achieve 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' expands your capabilities with an additional port Y, enhancing system flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, delivering superior functionality and reliability.
E4 mirrors 'E1', offering state-of-the-art internal discharge of pilot oil and a sealed port T for enhanced efficiency. 'E5' combines the robust features of 'E2' with internal discharge, ensuring superior system performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control, ideal for the most 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 robust and secure voltage options, including the G12-12VDC, specifically engineered for safety and reliability in even the most challenging environments. Our offerings present specialized solutions and security tailored to any application, ensuring the stability and performance of your system are never compromised.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 illuminated the hydraulic industry with its relentless pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise, embodying our unwavering dedication to pioneering technological advancements and upholding superior quality standards. Our extraordinary expertise encompasses comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Revered across the nation as a 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to continuously elevate our standards of excellence, further cementing our position as leaders in the industry.
At the heart of our revolutionary product lineup stands our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering is a pinnacle of hydraulic system control, meticulously crafted for seamless integration into robust construction machinery and heavy-duty equipment. Its vital functionality spans across critical applications, including lifesaving emergency rescue operations, complex tunnel engineering, ambitious mining endeavors, and essential municipal service vehicle operations. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to producing exceptional products, providing unmatched services, and delivering groundbreaking solutions. With an ambition to be recognized globally as a trusted supplier of premier hydraulic components, we continually strive to set new benchmarks 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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