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 - At the heart of mechanical ingenuity, this pump provides an unwavering flow, elevating your system to peak performance. Revel in the reliability it offers, as it transforms your machinery into a masterpiece of precision and smooth operation.;
HLPSV: Variable Displacement Pump - Embodying versatility and cutting-edge technology, this pump adapts seamlessly to various needs. Its innovative design enables fluid transitions and superior management, ensuring your system remains a leader in performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a strong operational foundation. Designed with exceptional detail, these specs ensure flawless performance and heightened reliability across all applications, laying a solid groundwork for achievement.:
2-G3/8; This compact design ensures streamlined efficiency with precise execution. Crafted for smaller spaces, it excels without sacrificing performance, offering remarkable results in confined environments.
3-G1/2; Built for robustness and reliability, this component serves as a sturdy backbone for system endurance. Designed to meet demanding conditions, it consistently delivers durable performance.;
4-G3/4; With advanced connectivity, this component offers superior control and integration. Its refined design boosts system efficiency, enhancing operational capabilities with elegance.;
5, 55-G1; Designed for high-demand scenarios, it delivers exceptional flow rates, ensuring robust performance. Created to tackle high-pressure challenges, it offers precision and reliability.;
6-G1 1/4; Built for outstanding performance, this component excels in challenging conditions. It sets new standards in power, handling demanding tasks with ease and expertise.;
(3) Additional Components and Specifications - Maximize system capabilities with innovative components that redefine excellence. These sophisticated specifications elevate performance, transforming your operations into a model of success.:
C,Standard Type - A dependable foundation, crafted to meet key operational needs. This component provides steadfast support and reliability, allowing your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to boost system efficiency. This valve enhances operations to peak effectiveness, ensuring harmonious performance and optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve refines flow management, driving exceptional performance and reliability. It transcends conventional limits, providing outstanding results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of innovation with custom pressure control solutions, perfectly designed for a vast range of applications. Precision-engineered to meet your specific requirements, these options provide unparalleled 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); Introducing expertly tailored solutions that integrate effortlessly with your unique operational demands. Discover customizable configurations enabling you to achieve desired results with ease and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's control and efficiency: Crafted to enhance performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational potential.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when unpowered. Precision-tuned for unparalleled efficiency and adaptability.D/F - Discover a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with precision to uphold designated pressure values, significantly enhancing safety measures and optimizing security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly engineered for HLPSV, offering unrivaled pressure control with supreme accuracy.
(7) Product Series Classification - A Testament to Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, adeptly crafted to address each application, ensuring a product that aligns seamlessly with your requirements, delivering exceptional performance consistently.
(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 ZPL 5S(V)/H transition block, expertly engineered for flawless integration, ensuring optimal efficiency.
(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, ideal for the N 3/3-way valve; 5, enhanced inflow controller. Explore pre-selectable options, each offering precision and exceptional efficiency, tailored to your needs.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs with unmatched precision and reliability.
(11) Output flow code for ports A & B: Unleash peak operational efficiency with our diverse range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow setting is meticulously crafted to deliver supreme performance and unwavering reliability, ensuring your system operates at its optimal potential.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our precision-engineered pressure limitation options, calibrated in bar for your assurance. Choose 'N' for tasks without pressure limiting, offering straightforward operation. Opt for 'C' when simultaneous pressure control on actuator ports A & B is vital, guaranteeing steady performance. For bespoke and isolated control, select 'A---B---', providing specialized management of ports A and B. Each selection is meticulously designed to uphold the highest standards of system integrity, ensuring secure and efficient operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a suite of customizable options crafted for peak performance. For basic operations, choose 'N', void of function ON/OFF or pressure outlet needs. If enhanced control is required, 'X' with C type pressure limitation or 'S/S1' with AB type is ideal for superior oversight. For electrical precision, select 'A' for ON/OFF on side A or 'B' for side B. Each option is expertly designed to provide maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Delve into our diverse operation modes, each engineered for unparalleled versatility and precision. 'A(1,2)' allows for manual operation with long or short handle options to suit ergonomic preferences. 'E' offers advanced electric proportional control, while 'EA(1,2)' merges this with manual control for optimal adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual precision. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our meticulously crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each choice is designed for unmatched adaptability, guaranteeing peak performance across diverse systems and operational demands, ensuring your system consistently achieves its best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each engineered to meet the highest standards of functionality and adaptability. 'E1' sets the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y, providing enhanced flexibility. 'E3' is crafted for superior performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated, ensuring unmatched functionality and reliability.
E4 mirrors 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for demanding system requirements, keeping your system at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, such as the G12-12VDC, designed for safety and reliability even in the most challenging settings. Our offerings ensure specialized solutions and security tailored to any application, safeguarding your system's stability and 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 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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