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 bedrock of flawless operation, this pump ensures a steady and seamless workflow, transforming your system into an engineering masterpiece. Delight in unrivaled reliability as it empowers your machinery to function with supreme accuracy.;
HLPSV: Variable Displacement Pump - A beacon of versatility and modernity, this pump provides exceptional adaptability for diverse operational needs. Its innovative design allows fluid transitions and superior control, ensuring your system remains at the forefront of high performance.;
(2) Connection Block Ports P & R Specifications - Where accuracy aligns with dependability to create a sturdy operational framework. Designed with precise attention to detail, these specifications ensure exceptional performance and heightened dependability across all applications, laying an unbreakable foundation for achievement.:
2-G3/8; This design exemplifies compact expertise, supporting smooth operational efficiencies with precision. Expertly crafted for constrained spaces, it promises remarkable performance without any trade-offs.
3-G1/2; Designed for robustness and reliability, this component acts as a strong backbone for your system's resilience. Built to endure rigorous conditions, it offers steadfast durability and performance.;
4-G3/4; Showcasing advanced connectivity, this component provides unparalleled control and integration. Its refined design boosts system efficiency, enhancing overall operational prowess with sophistication.;
5, 55-G1; Delivering remarkable flow rates for high-demand situations, this component guarantees consistent, robust performance. Crafted for excellence, it addresses high-pressure challenges with finesse and precision.;
6-G1 1/4; Offering superior performance, this component excels in tough environments. Engineered to exceed expectations, it sets new standards in power and capability, tackling demanding tasks with ease.;
(3) Additional Components and Specifications - Amplify your system's potential with state-of-the-art components that redefine operational excellence. These pioneering specifications unlock new performance levels, transforming your operations into a symbol of triumph.:
C,Standard Type - A dependable foundation, meticulously crafted to fulfill essential operational needs. This component offers unwavering support and unparalleled reliability, empowering your system to achieve peak performance.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to enhance system efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component works harmoniously for optimal outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving outstanding performance and reliability. Surpassing conventional limits, it delivers remarkable results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unmatched power with our customizable pressure control solutions, engineered for diverse applications. These options ensure precise alignment with your specific operational objectives, providing unparalleled accuracy to meet your exact requirements.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing tailored solutions that seamlessly integrate with your operational demands. Benefit from flexible configurations to effortlessly and precisely achieve your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control: Meticulously crafted to heighten performance, offering exceptional control and effectiveness that will redefine your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve for pressurizing the pump when powered and unloading when unpowered; D - Normally closed magnetic ball valve for unloading the pump when powered and pressurizing when unpowered. Precision-engineered for superior system efficiency and adaptability.D/F - Featuring a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This extraordinary component is crafted with the highest precision to maintain a specific pressure, significantly enhancing safety and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate versatility and precision with adjustable settings from 63 to 400 bar. This component epitomizes adaptability, addressing every hydraulic need effortlessly. The /NF configuration provides systems without a pressure limiting valve, expertly engineered for HLPSV, offering exceptional pressure control with supreme accuracy across diverse applications.
(7) Product Series Classification - The Zenith of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies design mastery, skillfully crafted to meet every application need, ensuring you select a product that seamlessly aligns with your specific requirements for consistently outstanding performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose 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-configured options offering precision and superior efficiency, customized to meet your specific needs.
(10) Valve core function symbols: Dive into a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with unmatched precision and dependability.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our expertly designed output flows, ranging from 3 L/min to an impressive 210 L/min. Each flow is crafted for supreme performance and unwavering reliability, ensuring your operations benefit from the finest in hydraulic control.
(12) Secondary Pressure Limitation Options: Elevate your safety and reliability standards with our precision-engineered pressure limitation options. Calibrated in bar, these options provide peace of mind for any operation. Choose 'N' for tasks without pressure limiting, ensuring straightforward efficiency. Opt for 'C' to enforce simultaneous pressure limitation on ports A & B, guaranteeing consistent protection. For bespoke management, 'A---B---' provides independently tailored control over ports A and B, each option meticulously crafted to uphold system integrity and efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Maximize your operational prowess with a suite of customizable options geared for peak performance. For basic operations, choose 'N', which requires no function ON/OFF or pressure outlet specifications. For processes demanding enhanced control, 'X' with C type pressure limitation or 'S/S1' with AB type limitation offers superior oversight. 'A' for ON/OFF functionality on side A or 'B' for side B delivers electrical precision, ensuring your operation achieves maximum precision, efficiency, and excellence.
(14) Operation Modes: Discover ultimate versatility and precision with our diverse operation modes. 'A(1,2)' offers manual control with long or short handle options for ergonomic satisfaction. 'E' provides cutting-edge electric proportional control, while 'EA(1,2)' merges manual and electric for unrivaled adaptability. 'D' offers electric switching control, enhanced by 'DA(1,2)' for manual precision. 'M' is perfect for expert manual friction positioning with a long handle. For strictly hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, either aligned or perpendicular, ensuring you command complete control over your system.
(15) Ancillary Block Port Sizes: Enhance system adaptability and performance with our precision-engineered port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration. Each selection promises unmatched adaptability, ensuring peak performance across diverse systems and operational challenges, keeping your system operating at optimal levels.
(16) End Plate Options: Explore our meticulously crafted end plate solutions, designed for exceptional functionality and adaptability. 'E1' provides standard external discharge of pilot oil and oil return control port T. 'E2' enhances capabilities with an additional port Y for increased flexibility. 'E3' offers advanced performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels upon activation, ensuring superior functionality and dependability.
E4 mirrors 'E1', featuring innovative internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' combines the robust features of 'E2' with internal discharge, elevating system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control for the most demanding requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust voltage options, including the G12-12VDC, each meticulously engineered for safety and reliability in the toughest environments. Our solutions ensure stability and uncompromised performance, tailored to meet any application with the highest standards of security.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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