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 - This pump stands as the beacon of reliability and superior engineering. It ensures a stable and seamless workflow, transforming your hydraulic system into an exemplar of precision and efficiency. Experience the magic of unfaltering dependability and empower your machinery with precise control.;
HLPSV: Variable Displacement Pump - This pump embodies the epitome of adaptability and cutting-edge innovation. Designed with a keen eye for versatility, it accommodates a plethora of operational needs effortlessly. Its advanced design provides seamless adjustments and supreme management, ensuring your system is perpetually at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets steadfast reliability, creating a solid operational base. These specifications are crafted with exacting detail, ensuring flawless performance and high dependability across various applications. They provide an indomitable foundation for enduring success.:
2-G3/8; This design epitomizes compact efficiency, facilitating streamlined operations with exactitude. It is crafted to excel in constrained spaces, promising top-tier performance with zero compromise.
3-G1/2; Constructed for strength and unwavering reliability, this component is instrumental in ensuring your system's durability. Built to endure the harshest conditions, it offers steadfast performance and unparalleled endurance.;
4-G3/4; With state-of-the-art connectivity, this component affords unmatched control and integration. Its refined design enhances system efficiency, improving overall operational prowess with elegance.;
5, 55-G1; This component delivers exceptional flow rates, ideal for high-demand scenarios, ensuring robust and consistent performance. Masterfully designed, it tackles high-pressure challenges with precision and ease.;
6-G1 1/4; Renowned for extraordinary performance, this component thrives in challenging environments. Engineered to surpass all expectations, it sets the bar high for power and capability, handling demanding tasks with grace.;
(3) Additional Components and Specifications - Enhance your system's capabilities with pioneering components that define operational excellence. These advanced specifications open new vistas of performance, establishing your operations as benchmarks of success.:
C,Standard Type - The bedrock of reliability, crafted with precision to meet fundamental operational needs. This component provides steadfast support, ensuring your system reaches its apex potential without fail.;
G,Throttle Valve (For HLPSL only) - Enables precision control to maximize your system's efficiency. This valve fine-tunes operations to achieve peak effectiveness, ensuring every element functions harmoniously for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve elevates flow management to unprecedented levels, ensuring exceptional performance and reliability. It transcends conventional boundaries, delivering remarkable results consistently.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide unmatched accuracy and alignment with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that harmoniously integrate with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes effortlessly and with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights: Expertly crafted to boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes 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.D/F - Presenting a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering masterpiece is crafted with immaculate precision to uphold a specifically designated pressure value, significantly boosting advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delight in the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration delivers systems without a pressure limiting valve, expertly designed for HLPSV, offering unrivaled pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects a masterclass in design, skillfully crafted to address every application, ensuring you acquire a product that seamlessly aligns with your specific requirements, 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 the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from an exhaustive 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. Discover pre-selectable options, each offering precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy specific functional requirements with unmatched precision and reliability.
(11) Output flow code for ports A & B: Elevate your hydraulic system's capabilities with our precision-engineered maximum output flows. Choose from an impressive range of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each ensuring optimal performance and unwavering dependability, pushing the boundaries of efficiency and reliability.
(12) Secondary Pressure Limitation Options: Experience remarkable safety and stability with our expertly crafted pressure limitation options, precisely calibrated in bar for unmatched peace of mind. For straightforward tasks, select 'N' with no pressure limiting protection. Choose 'C' for vital simultaneous pressure limitation on actuator ports A & B, ensuring consistent and reliable operation. For specialized and independent management, opt for 'A---B---', offering tailored control over ports A and B. Each selection is meticulously designed to uphold the highest standards of system integrity, guaranteeing secure and efficient operations at every turn.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with an extensive array of customizable options engineered for supreme performance. Select 'N' for operations without function ON/OFF or pressure outlet needs. For processes demanding superior control, 'X' paired with C type pressure limitation is ideal, while 'S/S1' with AB type pressure limitation ensures enhanced oversight. For precise electrical operations, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each choice is carefully crafted to deliver maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our diverse range of operation modes, each intricately designed for exceptional versatility and precision. 'A(1,2)' offers manual operation with long or short handle options, perfectly aligning with your ergonomic needs. 'E' features advanced electric proportional control, while 'EA(1,2)' combines this capability with manual operation for ultimate adaptability and responsiveness. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual precision. Opt for 'M' for expert manual friction positioning using a long handle. For purely hydraulic functions, 'H' and 'F' present distinct pilot oil port configurations, either aligned or perpendicular, granting you complete control and command over your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our rigorously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each ensuring seamless system integration. These options deliver peak performance across diverse systems and operational demands, ensuring your system consistently operates at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, crafted to meet the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil with oil return control at port T. 'E2' broadens your system's versatility with an extra port Y. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring exceptional functionality and reliability.
E4 offers advanced internal discharge of pilot oil with a sealed port T, optimizing efficiency. 'E5' builds on 'E2's robust features with internal discharge for superior system performance. 'E6' reflects the sophisticated design of 'E3', delivering advanced discharge control ideal for the most demanding system requirements, keeping your system at the forefront of efficiency and innovation.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, including the G12-12VDC, crafted to ensure safety and reliability even in the most adverse environments. Our selections provide specialized solutions and security tailored to any application, guaranteeing your system's stability and performance remain 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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