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 - The cornerstone of unwavering excellence, this pump guarantees a consistent and smooth workflow, transforming your system into a finely-tuned marvel of engineering. Experience unparalleled dependability and empower your machinery to operate with unmatched precision.;
HLPSV: Variable Displacement Pump - A paragon of flexibility and innovation, this pump offers extraordinary adaptability to cater to diverse operational requirements. With its forward-thinking design, it allows for fluid transitions and superior control, ensuring your system is always at the cutting edge of performance.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability to forge a robust operational framework. Crafted with meticulous attention to detail, these specifications guarantee impeccable performance and elevated dependability across all applications, providing an unshakeable foundation for success.:
2-G3/8; This design embodies compact proficiency, supporting streamlined operational efficiencies with precision. Meticulously crafted to excel in space-constrained environments, it promises outstanding performance without compromise.
3-G1/2; Engineered for strength and reliability, this component forms a formidable backbone for your system's endurance. Built to withstand demanding conditions, it offers unwavering durability and performance.;
4-G3/4; Featuring advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in challenging environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of success.:
C,Standard Type - A trusted foundation, meticulously crafted to meet essential operational demands. This component offers unwavering support and unmatched reliability, empowering your system to achieve its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Experience the epitome of versatile power with our tailor-made pressure control solutions. These solutions are crafted with unparalleled precision to cater to the unique demands of various applications, ensuring remarkable accuracy and seamless alignment with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions that flawlessly integrate with your unique operational needs. Revel in customizable configurations that enable you to achieve your desired performance outcomes with exceptional ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unparalleled heights. This expertly crafted component enhances your system's performance, offering unrivaled control and extraordinary effectiveness that transforms your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressure upon power, disengages upon no power; D - Normally closed magnetic ball valve, disengages pump pressure when powered, activates when unpowered. Achieve precision tuning that offers exceptional system efficiency and adaptability.D/F - Introducing a state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece of engineering is crafted to maintain a specifically designated pressure value, significantly enhancing safety protocols and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings spanning 63 to 400 bar levels. This component represents the pinnacle of adaptability, effortlessly fulfilling every hydraulic need. The /NF configuration presents systems without a pressure limiting valve, specifically designed for HLPSV, ensuring unrivaled pressure control across various applications with extraordinary accuracy.
(7) Product Series Classification - The Zenith of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, meticulously crafted to address every application, ensuring you receive a product that aligns seamlessly 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; Incorporate auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for impeccable integration, ensuring peak 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 both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and superior efficiency, customized to meet your specific requirements.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with exceptional precision and reliability.
(11) Output flow code for ports A & B: Elevate your equipment's performance to new heights with our precision-engineered maximum output flows available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each option is crafted to deliver supreme efficiency, ensuring your systems operate with unwavering reliability and peak performance.
(12) Secondary Pressure Limitation Options: Unlock a new realm of safety and dependability with our precision-calibrated pressure limitation features, meticulously measured in bar to assure ultimate peace of mind. Opt for 'N' when tasks are basic and pressure limitation is unnecessary. For simultaneous pressure control at actuator ports A & B, 'C' is your perfect choice, maintaining stellar performance. Select 'A---B---' for bespoke, independent port management. Every option is designed with meticulous care to uphold the integrity and efficiency of your system, ensuring safe and seamless operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with a wide range of customizable selections crafted for exceptional performance. 'N' is ideal for basic operations requiring no function ON/OFF or pressure outlet. For processes needing heightened control, 'X' with C type pressure limitation is perfect, or opt for 'S/S1' with AB type pressure limitation for top-tier oversight. Achieve electrical precision with 'A' for ON/OFF on side A or 'B' for side B. Each option is engineered with precision to deliver outstanding accuracy, efficiency, and operational superiority.
(14) Operation Modes: Discover an array of operation modes, each expertly crafted for unparalleled versatility and precision. 'A(1,2)' provides manual handling with flexibility for either a long or short handle for ergonomic comfort. 'E' offers sophisticated electric proportional control, while 'EA(1,2)' combines this with manual operation for the ultimate adaptability. 'D' features electric switching value control, with 'DA(1,2)' adding manual enhancements. 'M' is designed for proficient manual friction positioning with a long handle. For exclusive hydraulic operations, 'H' and 'F' offer innovative pilot oil port designs for complete and masterful system control.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and operational excellence with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered to ensure seamless integration and optimized performance across diverse systems and operational needs, keeping your setup performing at its peak.
(16) End Plate Options: Explore our range of meticulously designed end plate solutions, each crafted to deliver exceptional functionality and flexibility. 'E1' sets a high standard with its external pilot oil discharge and oil return control port T. 'E2' extends capabilities with a port Y for greater adaptability. 'E3' elevates performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring superior reliability and functionality.
E4 mirrors the advanced functionality of 'E1', featuring innovative internal pilot oil discharge and a sealed port T for enhanced efficiency. 'E5' merges 'E2's robust features with internal discharge, boosting system effectiveness. 'E6' embodies 'E3's sophisticated design, providing advanced discharge control, perfect for the most challenging system demands, ensuring peak efficiency and cutting-edge sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable and secure voltage options, including the robust G12-12VDC, crafted for optimal safety and reliability in even the toughest conditions. Our solutions offer specialized security features tailored to any application, ensuring your system's stability and performance are consistently safeguarded.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 pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents state-of-the-art hydraulic system control, meticulously crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality extends across vital applications, including life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers expedites 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 offering 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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