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 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 unmatched power with precision-tailored pressure control solutions designed for a multitude of applications. These options are crafted with meticulous attention to detail to meet your exact specifications, delivering unparalleled accuracy and perfectly aligning with your operational aspirations.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions that seamlessly 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 - Revolutionize your system's control and efficiency: Expertly designed to enhance system performance, offering extraordinary control and effectiveness that transforms 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. Experience precision tuning that ensures unmatched system efficiency and adaptability.D/F - Discover a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with precision to uphold a designated pressure value, significantly enhancing safety and optimizing reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the height of versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, fulfilling every hydraulic requirement seamlessly. The /NF configuration delivers systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control with supreme accuracy for diverse applications.
(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, expertly crafted to meet diverse applications, ensuring you receive a product that aligns perfectly with your specific needs, 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; Incorporating auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for seamless integration and flawless performance, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive 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 a vast 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: Unleash pinnacle efficiency with our range of maximum output flows-3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min-each carefully engineered for supreme performance and unwavering dependability, ensuring your system operates at its peak.
(12) Secondary Pressure Limitation Options: Experience unmatched safety and reliability with our precision-engineered pressure limitation options, calibrated meticulously in bar for your reassurance. Choose 'N' for operations without pressure limiting protection, ideal for straightforward tasks. Opt for 'C' when simultaneous pressure limitation on actuator ports A & B is crucial, ensuring unwavering performance. For bespoke and independent control, select 'A---B---', providing specialized management of ports A and B, each option crafted to uphold the highest system integrity standards, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational prowess with a variety of customizable options tailored for top-tier performance. For basic operations, select 'N', devoid of function ON/OFF or pressure outlet needs. For processes requiring heightened control, 'X' paired with C type pressure limitation is optimal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical control, opt for 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is expertly crafted to guarantee maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Dive into our broad array of operation modes, each meticulously crafted for unparalleled versatility and precision. 'A(1,2)' offers manual operation with long or short handle options, catering to ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' merges this with manual operation for optimal adaptability and responsiveness. 'D' offers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' present unique pilot oil port designs, either aligned or perpendicular, ensuring total control and mastery over your system.
(15) Ancillary Block Port Sizes: Elevate versatility and performance with our finely crafted port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each choice ensures unmatched adaptability, delivering top performance across diverse systems and operational demands, keeping your system operating at its best.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to the highest standards of functionality and adaptability. 'E1' sets the benchmark with external discharge of pilot oil and oil return control port T. 'E2' expands capabilities with an additional port Y, offering enhanced flexibility. 'E3' is engineered for superior performance with a 2-position, 3-way magnetic ball valve, augmenting system pressure to safety valve levels when activated, ensuring unmatched functionality and reliability.
E4 mirrors 'E1', offering cutting-edge internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the sophisticated design of 'E3', providing advanced discharge control, ideal for the most demanding system requirements, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage offerings, including the G12-12VDC, meticulously designed for safety and reliability in the most challenging environments. Our solutions ensure specialized security for any application, guaranteeing your system's stability and performance are never compromised.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 become a beacon of innovation and excellence in the hydraulic industry. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our commitment to pioneering technological advancements and upholding superior quality standards is unwavering. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to continuously elevating our standards of excellence, solidifying our leadership position in the industry.
At the core of our innovative product lineup is our flagship creation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, expertly designed for flawless integration into construction machinery and heavy-duty equipment. Its vital functionality is indispensable in life-saving emergency rescue missions, intricate tunnel engineering projects, ambitious mining operations, and essential municipal service vehicle applications. Our unwavering commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are devoted to crafting exceptional products, delivering unmatched services, and providing groundbreaking solutions. With aspirations of global recognition as a trusted supplier of premier hydraulic components, we continually strive to set new standards 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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