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 - As the cornerstone of unwavering excellence, this pump ensures a seamless and consistent workflow, transforming your system into a marvel of precision engineering. Experience unmatched dependability that empowers your machinery to operate with precision and efficiency beyond expectations.;
HLPSV: Variable Displacement Pump - A beacon of flexibility and innovation, this pump offers remarkable adaptability, meeting diverse operational needs with ease. Its pioneering design facilitates smooth transitions and superior control, keeping your system at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where precise engineering meets unyielding reliability to create a robust operational framework. Designed with meticulous attention, these specifications ensure impeccable performance and heightened dependability across all applications, laying a solid foundation for success.:
2-G3/8; Embrace compact proficiency with this design, supporting streamlined operational efficiency with exceptional precision. Crafted to excel in space-limited environments, it guarantees superior performance without compromising on quality.
3-G1/2; Engineered for resilience and reliability, this component stands as a formidable backbone, ensuring your system's endurance. Designed to withstand the harshest conditions, it offers unwavering durability and performance.;
4-G3/4; Showcasing advanced connectivity, this component provides unparalleled control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with precision.;
5, 55-G1; Deliver exceptional flow rates for high-demand scenarios with this component, ensuring consistent and robust performance. Designed for excellence, it effortlessly addresses high-pressure challenges with precision.;
6-G1 1/4; Excelling in performance, this component thrives in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new performance levels, transforming your operations into a model of success.:
C,Standard Type - As a dependable foundation, this component is meticulously crafted to satisfy essential operational demands. It offers unwavering support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve finely tunes operations for maximum effectiveness, ensuring seamless harmony among components for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering exceptional performance and reliability. Elevating beyond conventional limits, it ensures superior results consistently.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored exactly for your diverse applications. Crafted with precision and expertise to meet your specific needs, these options provide unmatched accuracy and perfect alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to effortlessly achieve your desired outcomes with impeccable precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionize 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. Precision tuning that provides unmatched system efficiency and adaptability, ensuring performance excellence.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific 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; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive 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, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock unmatched efficiency with our maximum output flow options, ranging from 3 to 210 L/min, specifically engineered for excellence and unwavering reliability. These options ensure top performance tailored to meet any operational need.
(12) Secondary Pressure Limitation Options: Enjoy unprecedented safety and reliability with our precision-engineered pressure limitation options, measured in bar. Select 'N' for straightforward tasks without pressure limiting protection. Choose 'C' for necessary simultaneous pressure limitation on actuator ports A & B, ensuring dependable performance. For bespoke and independent management, opt for 'A---B---', each option carefully crafted to maintain the utmost system integrity and operational security.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a wide range of customizable choices designed for peak efficiency. 'N' is perfect for standard operations without ON/OFF or pressure outlet needs. For processes requiring superior control, 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation offers optimal oversight. For precise electrical control, choose 'A' for ON/OFF functionality on side A or 'B' for side B, each meticulously designed to ensure precision and operational excellence.
(14) Operation Modes: Discover our comprehensive selection of operation modes, each expertly crafted for unrivaled versatility and precision. 'A(1,2)' offers manual control with either a long or short handle to suit ergonomic requirements. 'E' delivers cutting-edge electric proportional control, while 'EA(1,2)' merges it with manual operation for maximum adaptability. 'D' presents electric switching value control, enhanced by 'DA(1,2)' for manual benefits. Opt for 'M' for skilled manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' feature distinct pilot oil port designs, ensuring complete control over your system.
(15) Ancillary Block Port Sizes: Boost your system's adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration. Each choice guarantees exceptional adaptability, providing peak performance across various systems and operational demands, ensuring your system operates at its optimal best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each designed to achieve the highest standards of functionality and adaptability. 'E1' establishes a benchmark with its external discharge of pilot oil and oil return control port T. 'E2' enhances your system's capabilities with an additional port Y for extra flexibility. 'E3' is crafted for superior performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels upon activation, ensuring outstanding functionality and reliability.
E4 mirrors 'E1', offering advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge for enhanced system performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control, ideal for the most demanding requirements, ensuring your system is always at peak efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage selections, including the G12-12VDC, specifically crafted for safety and reliability in the most challenging environments. Our tailored solutions ensure your system's stability and performance remain uncompromised across any application.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 become a beacon of innovation in the hydraulic industry, driven by an unwavering commitment to groundbreaking advancements and unmatched excellence. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our dedication to pioneering technology and maintaining superior quality is reflected in our comprehensive expertise, which spans extensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Renowned across the nation as a 'specialized, refined, and innovative' small giant enterprise, we maintain an unwavering focus on elevating our standards and solidifying our leadership position within the industry.
At the core of our innovative product offerings stands our flagship creation: the Enhanced Safety Atex Valve. This engineering marvel exemplifies state-of-the-art hydraulic system control, expertly designed for seamless integration into construction machinery and heavy-duty equipment. Its crucial functionality spans vital applications, from life-saving emergency rescue missions to complex tunnel engineering, ambitious mining operations, and essential municipal service vehicle operations. Our commitment to forging strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality', we are dedicated to producing exceptional products, providing unparalleled services, and delivering innovative solutions. With aspirations of being globally recognized as a trusted supplier of premier hydraulic components, we continually strive to achieve new heights 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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