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 - Your Blueprint to a Masterfully Engineered System
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 control and performance with our bespoke pressure solutions, expertly designed to meet the wide-ranging demands of your applications. Every detail is crafted for precision, ensuring you achieve unparalleled accuracy and alignment with your unique operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-made solutions that seamlessly integrate with your specific operational needs. With our customizable configurations, you can effortlessly achieve your desired performance outcomes with absolute precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Expertly designed to elevate performance, this valve offers exceptional control and remarkable effectiveness, revolutionizing 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. Achieve precise system efficiency and adaptability with our finely tuned solutions.D/F - Introducing a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel upholds a specific pressure value with immaculate precision, significantly enhancing safety while optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in adaptability and precision with adjustable settings ranging from 63 to 400 bar levels. This component embodies flexibility, seamlessly meeting every hydraulic requirement with the /NF configuration. It provides unmatched pressure control for diverse applications, delivering supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in engineering, expertly crafted to cater to every application. Ensure you obtain a product that impeccably aligns with your specific needs, consistently delivering 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, meticulously engineered for flawless integration, ensuring optimal efficiency in every application.
(9)Directional valve block inflow controller options: Select 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. Discover pre-selectable options, each offering remarkable precision and efficiency, tailored to your specific requirements.
(10) Valve core function symbols: Explore a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to satisfy specific functional demands with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Experience unmatched efficiency with our superior output flow options, including: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each meticulously crafted to deliver top-tier performance and unwavering reliability.
(12) Secondary Pressure Limitation Options: Elevate your operational safety and efficiency with our meticulously engineered pressure limitation options. Choose 'N' for tasks without pressure limiting needs, 'C' for synchronized pressure control on actuator ports A & B, or 'A---B---' for individualized management of ports A and B. Each option ensures optimal system reliability and safety.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operations with our tailored function ON/OFF and pressure outlet configurations. Select 'N' for simplicity, 'X' with C type pressure limitation for enhanced control, or 'S/S1' with AB type for superior oversight. Choose 'A' or 'B' for electrical precision on sides A or B, ensuring peak precision and efficiency.
(14) Operation Modes: Discover our versatile operation modes, crafted for precision and adaptability. Choose 'A(1,2)' for manual control with ergonomic handle options, 'E' for electric proportional control, or 'EA(1,2)' for combined electric and manual flexibility. 'D' offers electric switching, enhanced by 'DA(1,2)' manual control. Opt for 'M' for manual friction positioning, or 'H' and 'F' for unique hydraulic operations, tailored for comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance system integration and adaptability with our expertly designed port sizes. Options include /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring seamless adaptability and peak performance across diverse operational demands.
(16) End Plate Options: Explore our superior end plate solutions, engineered for top-tier functionality and adaptability. 'E1' offers external pilot oil discharge with control port T, 'E2' adds port Y for expanded flexibility, and 'E3' features a magnetic ball valve for enhanced system pressure control, ensuring reliability and performance.
E4 replicates 'E1', with advanced internal pilot oil discharge for optimized efficiency. 'E5' enhances 'E2' with internal discharge, while 'E6' mirrors 'E3', providing advanced control for rigorous system demands, placing your system at the pinnacle of efficiency.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our reliable voltage options, including G12-12VDC, designed for peak safety in challenging environments. Our solutions provide tailored security and stability, ensuring uncompromised system performance.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 innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise committed to technological advancement and superior quality standards. Our expertise is vast, encompassing research, development, manufacturing, and marketing of premier hydraulic components. Celebrated across the nation as a 'specialized, refined, and innovative' small giant enterprise, our dedication to elevating our standards is unwavering, solidifying our leadership in the industry.
At the core of our innovative product lineup is our flagship creation: the Enhanced Safety Atex Valve. This engineering marvel embodies state-of-the-art hydraulic system control, designed for flawless integration into construction machinery and heavy-duty equipment. Its critical functionality spans essential applications, including life-saving emergency rescues, complex tunnel engineering, ambitious mining operations, and vital municipal service vehicles. Our commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to creating exceptional products, providing unparalleled services, and delivering groundbreaking solutions. With aspirations to be globally recognized as a trusted supplier of premier hydraulic components, we continuously strive to set new standards of excellence internationally.
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.