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 ultimate in hydraulic power with our tailored pressure control solutions. Designed with precision craftsmanship, these options deliver unmatched accuracy and are perfectly aligned with your operational objectives for diverse applications.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover our custom-engineered solutions for seamless integration with your unique operational requirements. Enjoy customizable configurations that empower flawless results with effortless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control. Expertly designed, this valve enhances performance, providing unmatched control and revolutionizing your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when unpowered. Precision tuning ensures unmatched efficiency and adaptability in your system.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with meticulous precision to maintain designated pressure values, significantly augmenting safety measures, and optimizing security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, seamlessly meeting every hydraulic need. The /NF configuration, expert in HLPSV, delivers unrivaled pressure control across diverse applications with supreme precision.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly crafted to address every application, ensuring a seamless match with your specific requirements and 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 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 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. Each option offers precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each designed with unmatched precision and reliability to meet specific functional requirements.
(11) Output flow code for ports A & B: Unlock the potential of peak operational efficiency with our maximum output flows. Available in a range of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each flow option is precisely engineered for top-tier performance and unwavering dependability, ensuring that your hydraulic system operates at its best, every time.
(12) Secondary Pressure Limitation Options: Elevate your operational safety and reliability to new heights with our expertly engineered pressure limitation features. Each option is precisely calibrated in bar to provide you with peace of mind. Whether you need simplicity with 'N' for operations without limitations, or the assurance of 'C' for simultaneous pressure control on actuator ports A & B-our solutions guarantee consistent, secure performance. Opt for 'A---B---' for independent and tailored control of ports A and B, designed to meet the highest standards of system integrity, making sure your operations stay safe and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Drive your operations to excellence with our diverse range of customizable features crafted for optimal performance. For operations that require no additional control, select 'N'. When your system demands precise regulation, 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation offers superior oversight. For electrical precision, choose 'A' for ON/OFF functionality on side A, or 'B' for side B. Each choice is meticulously crafted to ensure your operations achieve maximum precision and efficiency.
(14) Operation Modes: Navigate through our wide spectrum of operation modes, each crafted for unparalleled versatility and precision. 'A(1,2)' offers manual control with ergonomic options for long or short handles. For advanced control, 'E' provides electric proportional capabilities, while 'EA(1,2)' integrates manual operation for enhanced adaptability. 'D' offers electric switching value control, with 'DA(1,2)' adding manual enhancements. Select 'M' for expert manual friction positioning using a long handle. For dedicated hydraulic operations, 'H' and 'F' provide unique pilot oil port designs, whether aligned or perpendicular, ensuring comprehensive system mastery.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our expertly engineered port sizes. Choose from options like /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to promise seamless integration across diverse systems. Each selection is designed to ensure top-tier adaptability, delivering peak performance regardless of operational demands, keeping your system at the pinnacle of efficiency.
(16) End Plate Options: Explore our range of meticulously crafted end plate solutions designed to meet high standards of performance and flexibility. 'E1' offers external discharge with pilot oil and oil return control at port T. Expand capabilities with 'E2', featuring an extra port Y for greater flexibility. 'E3' is engineered for high-performance applications with a 2-position, 3-way magnetic ball valve, enhancing system pressure safely when activated, ensuring superior reliability.
E4 incorporates the advanced features of 'E1', offering an innovative internal discharge of pilot oil with a sealed port T for maximum efficiency. 'E5' combines the robust elements of 'E2' with internal discharge, providing superior system performance. 'E6' replicates the sophisticated design of 'E3', delivering advanced discharge control, ideal for demanding system requirements, ensuring your system stays at the forefront of efficiency and capability.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust voltage options, including the highly reliable G12-12VDC, crafted for safety even in challenging environments. Each offering provides specialized solutions tailored to maintain system stability, delivering uncompromised performance and security in every 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 been a beacon of brilliance in the hydraulic industry, tirelessly pursuing innovation and excellence. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we have established ourselves as a national high-tech enterprise, exemplifying our commitment to cutting-edge technological advancements and unwavering quality standards. Our expertise spans comprehensive research, advanced development, precise manufacturing, and strategic marketing of premier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to elevate our excellence, reinforcing our leadership in the industry.
At the core of our revolutionary product range stands our crowning achievement: the Enhanced Safety Atex Valve. This masterpiece of engineering epitomizes state-of-the-art hydraulic system control, with precision crafting for seamless integration into construction machinery and heavy-duty equipment. Its essential functionality spans critical applications, including life-saving emergency rescues, intricate tunnel engineering, ambitious mining operations, and essential municipal service vehicles. Our dedication to forging strategic partnerships with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end machinery. Guided by our core philosophy-'serving customers with technology, impressing with our attitude, retaining with quality'-we are committed to producing exceptional products, providing unrivaled services, and offering groundbreaking solutions. Aspiring to be recognized globally as a trusted supplier of premier hydraulic components, we continually set new standards 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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