Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the very essence of hydraulic engineering excellence! These trailblazing technological wonders represent the pinnacle of hydraulic innovation, seamlessly and artfully combining pressure, flow, and directional control within a single, superior, and cohesive system. This exceptional combination guarantees extraordinary performance and steadfast reliability across a vast array of applications. Constructed from three pivotal functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves integrate smoothly into sophisticated hydraulic systems, instrumental for high-caliber engineering machinery. They adeptly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unrivaled precision and control. Among their standout features are a sleek and compact design, remarkable energy efficiency, and the capability for stepless speed control. Additionally, they support the simultaneous operation of multiple actuators under diverse load conditions, offering exceptional performance and adaptability for any application.
The HLPSL valves are designed with meticulous precision for constant displacement pump systems, ensuring unwavering and reliable functionality in any environment. On the other hand, the HLPSV valves are ingeniously tailored for variable pump systems. While the HLPSV valves may exhibit a slightly slower response time, they truly shine in their outstanding energy-saving capabilities, making them the ideal choice where efficiency is of paramount importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control needs, offering a flawless 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 - 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 exceptional power at your fingertips with our custom pressure control solutions, tailored to adapt seamlessly to a wide range of applications. Engineered with precision, these options deliver unparalleled accuracy, ensuring your operational goals are met with absolute perfection.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our custom-engineered solutions provide seamless integration with your unique operational needs. Enjoy configurations that are customizable to achieve your desired outcomes with effortless precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control: With expert craftsmanship, this valve enhances performance, delivering unmatched control and effectiveness that transform your system's operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressuring the pump when powered, unloading when not; D - Normally closed magnetic ball valve, unloading when powered, pressuring when not. Experience precision tuning that enhances system efficiency and adaptability.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece is crafted to maintain a designated pressure value, significantly enhancing safety and optimizing security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in ultimate versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, meeting every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, delivering unrivaled pressure control for diverse applications with supreme precision.
(7) Product Series Classification - The Ultimate in Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exquisite design, expertly addressing every application, ensuring you receive a product that aligns seamlessly with your specific requirements, 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 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: Choose from a comprehensive selection: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, for the N 3/3-way valve; 5, enhanced inflow controller. Discover options pre-designed for precision and exceptional efficiency, tailored to your specific requirements.
(10) Valve core function symbols: Explore an extensive array of core functionalities: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional demands with unrivaled precision and reliability.
(11) Output flow code for ports A & B: Unlock the ultimate in hydraulic efficiency with our array of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow option is meticulously crafted to deliver superior performance, ensuring unyielding dependability and peak operational success.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our precision-engineered pressure limitation options. Select 'N' for operations free from pressure limits, perfect for simple tasks. For synchronized pressure control on actuator ports A & B, choose 'C', guaranteeing consistent and reliable performance. Opt for 'A---B---' for tailored, independent control over ports A and B, each setting crafted to uphold the highest standards of system integrity, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with a wide range of customizable options designed for peak performance. 'N' offers simplicity without function ON/OFF or pressure outlet needs. For enhanced control, select 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation for superior governance. For electrical precision, choose 'A' for ON/OFF functionality on side A or 'B' on side B. Each option is precision-engineered for maximum efficiency and operational excellence.
(14) Operation Modes: Discover our diverse operation modes, each designed with precision for unparalleled versatility. 'A(1,2)' offers manual control with customizable handle lengths for ergonomic flexibility. 'E' provides state-of-the-art electric proportional control, while 'EA(1,2)' merges this with manual operation for superior adaptability. 'D' features electric switching value control, with 'DA(1,2)' offering manual enhancements. Select 'M' for expert manual positioning with friction adjustment and a long handle. For hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, ensuring comprehensive system control and mastery.
(15) Ancillary Block Port Sizes: Enhance adaptability and system performance with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered for seamless system integration. These options ensure unmatched adaptability and peak performance across diverse systems and operational requirements, keeping your system performing at its best.
(16) End Plate Options: Uncover our expertly designed end plate solutions, crafted to meet the highest standards of functionality and adaptability. 'E1' provides external discharge of pilot oil and oil return control port T. 'E2' adds an extra port Y for greater flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when actuated, providing exceptional functionality and reliability.
E4 mirrors 'E1', featuring 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 for superior system functionality. 'E6' captures the sophisticated design of 'E3', providing advanced discharge control, perfect for the most demanding system requirements, ensuring unrivaled efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage options, including the G12-12VDC, specifically engineered for safety and reliability in challenging environments. Our offerings deliver tailored solutions and security for any application, ensuring your system's stability and high performance are always maintained.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 luminous beacon in the hydraulic industry, driven by an unwavering pursuit of groundbreaking innovation and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand tall as a national high-tech enterprise, embodying our steadfast dedication to pioneering technological advancements and upholding the highest quality standards. Our extraordinary expertise spans comprehensive research, cutting-edge development, precision manufacturing, and strategic marketing of top-tier hydraulic components. Revered nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to continuously elevate our standards of excellence, further solidifying our position as industry leaders.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously designed for seamless integration into construction machinery and robust heavy-duty equipment. Its essential functionality spans vital applications, including life-saving emergency rescue missions, complex tunnel engineering projects, ambitious mining operations, and the operation of crucial 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. 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, delivering unmatched services, and offering groundbreaking solutions. Aspiring to be globally recognized 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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