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 bedrock of steadfast excellence, this pump is engineered to provide a steady and seamless workflow, elevating your system into a masterpiece of precision engineering. Experience the epitome of reliability and empower your machinery to achieve unparalleled accuracy.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and cutting-edge innovation, this pump offers remarkable versatility to meet diverse operational needs. With its avant-garde design, it facilitates smooth transitions and superior control, ensuring that your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Where accuracy meets reliability, forging a robust operational backbone. Crafted with precision, these specifications assure exceptional performance and heightened dependability, providing a solid platform for success across all applications.:
2-G3/8; This ingeniously designed component boasts compact efficiency, enhancing operational effectiveness with precision. Perfectly suited for space-restricted environments, it ensures remarkable performance without concessions.
3-G1/2; Masterfully engineered for strength and reliability, this component furnishes a robust backbone for your system's longevity. Designed to endure demanding conditions, it guarantees steadfast durability and performance.;
4-G3/4; This component's advanced connectivity offers unrivaled control and integration. Its sophisticated design boosts system efficiency, advancing overall operational capability with grace.;
5, 55-G1; Delivering outstanding flow rates for high-demand applications, this component ensures consistent, robust performance. Crafted for excellence, it tackles high-pressure challenges with expertise and precision.;
6-G1 1/4; Offering superior performance, this component excels in rigorous environments. Engineered to exceed expectations, it sets new standards in power and capability, handling demanding tasks with ease.;
(3) Additional Components and Specifications - Enhance your system's prowess with state-of-the-art components that redefine operational excellence. These advanced specifications unlock new performance levels, transforming your operations into a paragon of success.:
C,Standard Type - A steadfast foundation, meticulously crafted to meet essential operational requirements. This component delivers unwavering support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to enhance your system's performance. This valve fine-tunes operations for maximum efficiency, ensuring every component harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve enhances flow management, ensuring extraordinary performance and reliability. It surpasses traditional limits, consistently delivering exceptional outcomes.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision, these options are designed to meet your specific operational needs, providing unmatched accuracy and alignment with your goals, ensuring optimal performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that are expertly integrated with your unique operational demands. Experience customizable configurations that empower you to achieve desired outcomes effortlessly with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control to new heights with this expertly crafted valve that significantly enhances system performance, offering unmatched control and extraordinary 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. Precision tuning that provides unmatched system efficiency and adaptability, tailored to your operational needs.D/F - Introducing an advanced, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to maintain a specific pressure value, significantly enhancing safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component embodies adaptability, seamlessly meeting every hydraulic requirement, while the /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, skillfully crafted to address every application, ensuring you receive a product that seamlessly aligns with your specific requirements, delivering exceptional and consistent 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 and performance.
(9)Directional valve block inflow controller options: Choose from an exhaustive selection 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 operational needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unlock the potential of your hydraulic system with our precision-engineered maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each setting is crafted to deliver unrivaled efficiency and unwavering reliability, ensuring your operations soar to new heights of performance excellence.
(12) Secondary Pressure Limitation Options: Elevate your hydraulic safety measures with our superior pressure limitation options, meticulously calibrated in bar for your assurance. For tasks without pressure constraints, choose 'N' for straightforward operations. When simultaneous pressure limitation is crucial on actuator ports A & B, 'C' ensures steadfast performance. Tailor your control with 'A---B---' for specialized and independent management of each port. Our options are crafted with precision, upholding the highest standards of system integrity to keep your operations secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Boost your operational prowess with customizable options for ultimate performance. For simple operations, 'N' requires no function ON/OFF or pressure outlet. For enhanced control, 'X' with C type pressure limitation or 'S/S1' with AB type pressure limitation provide superior oversight. Achieve electrical precision with 'A' for ON/OFF on side A or 'B' for side B. Each selection is expertly designed for optimal precision, efficiency, and operational superiority.
(14) Operation Modes: Discover our comprehensive range of operation modes, each crafted for unparalleled versatility and precision. 'A(1,2)' supports manual operation with ergonomic long or short handles. 'E' ensures sophisticated electric proportional control, while 'EA(1,2)' blends this with manual operation for supreme adaptability. 'D' offers electric switching value control, enhanced by 'DA(1,2)' for manual options. 'M' delivers manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, aligned or perpendicular, ensuring masterful control over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring seamless system integration. Each selection promises unmatched adaptability, delivering peak performance across diverse systems and operational requirements, maintaining your system at its optimal best.
(16) End Plate Options: Explore our expertly designed end plate solutions, crafted to the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an extra port Y for greater flexibility. 'E3' is engineered for peak performance, featuring a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels for top-tier functionality and reliability.
E4 mirrors 'E1', offering state-of-the-art internal discharge of pilot oil with a sealed port T for heightened efficiency. 'E5' merges the strengths of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control perfect for demanding system requirements, ensuring your system leads in efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust voltage options, including the secure G12-12VDC, designed for safety and reliability in challenging environments. Our solutions deliver specialized security and stability tailored to any application, ensuring your system's performance remains uncompromised.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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