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 - 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 operations to new heights of efficiency and reliability with our diverse range of output flow options. Choose from a spectrum of maximum output flows - 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min - each crafted for peak performance and steadfast dependability in any application.
(12) Secondary Pressure Limitation Options: Step into a world of unmatched safety and dependability with our expertly designed pressure limitation options, each precisely calibrated in bar for your utmost confidence. Opt for 'N' when operations do not require pressure limiting protection, maintaining straightforward task execution. Choose 'C' for synchronized pressure control on actuator ports A & B, ensuring flawless performance. For bespoke, independent management, select 'A---B---', crafted to provide specialized control over each port. Each choice is engineered to uphold the pinnacle of system integrity, ensuring secure and efficient operational excellence.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational success with a suite of customizable options crafted for ultimate performance. For straightforward operations, 'N' offers simplicity without function ON/OFF or pressure outlet requirements. For processes needing heightened control, 'X' with C-type pressure limitation is ideal, or 'S/S1' with AB-type pressure limitation for superior oversight. For precision, opt for 'A' for ON/OFF functionality on side A, or 'B' for side B. Each option is designed to deliver the utmost in precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our extensive suite of operation modes, meticulously tailored for unparalleled versatility and precision. Opt for 'A(1,2)' for manual handling with long or short handles, catering to ergonomic preferences. 'E' offers state-of-the-art electric proportional control, while 'EA(1,2)' combines this with manual operation for superior adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual input. Choose 'M' for manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' offer distinct pilot oil port designs, aligned or perpendicular, for comprehensive system mastery.
(15) Ancillary Block Port Sizes: Augment your system's adaptability and performance with our precisely engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to achieve flawless system integration. Each option is crafted for exceptional adaptability, ensuring peak performance across varied systems and operational demands, keeping your systems running at their best.
(16) End Plate Options: Explore our premium end plate solutions, each crafted to the highest standards of functionality and adaptability. 'E1' offers a benchmark with external discharge of pilot oil and oil return control port T. 'E2' enhances your system's potential with an additional port Y, providing expanded flexibility. 'E3' is designed for top-tier performance with a 2-position, 3-way magnetic ball valve, boosting system pressure to safety valve levels when activated for exceptional reliability.
E4 mirrors 'E1', featuring cutting-edge internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' incorporates the robust features of 'E2' with internal discharge for enhanced system performance. 'E6' reflects the advanced design of 'E3', offering sophisticated discharge control, ideal for 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 comprehensive and secure voltage options, including the G12-12VDC, expertly engineered for safety and reliability in the most challenging environments. Our options provide specialized solutions and unparalleled security tailored to any application, ensuring the stability and performance of your system remain uncompromised.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our foundation in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation in the hydraulic industry. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we exemplify what it means to be a national high-tech enterprise. Our unwavering commitment to groundbreaking technological innovations and maintaining superior quality has earned us an esteemed reputation. We specialize in comprehensive research, state-of-the-art development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are dedicated to raising our standards of excellence, strengthening our leadership position within the industry.
At the core of our innovative product range is our flagship marvel: the Enhanced Safety Atex Valve. This pinnacle of modern hydraulic system control is expertly engineered for flawless integration into construction machinery and heavy-duty equipment. It plays a vital role in several crucial sectors, including life-saving emergency rescue, complex tunnel engineering, ambitious mining activities, and the operation of critical municipal service vehicles. Our enduring commitment to forging strategic partnerships with leading domestic manufacturers facilitates the localization of essential hydraulic components for top-tier mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to crafting exceptional products, delivering unparalleled services, and providing innovative solutions. Aspiring to global recognition as a trusted supplier of premier hydraulic components, we relentlessly pursue new standards of excellence on the international front.
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.
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