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 - A hallmark of unwavering excellence, this pump ensures a seamless and consistent workflow, transforming your system into a masterpiece of finely-tuned engineering. Revel in unmatched dependability and empower your machinery to operate with unrivaled precision and reliability.;
HLPSV: Variable Displacement Pump - A beacon of flexibility and ingenuity, this pump showcases extraordinary adaptability to accommodate a range of operational requirements. With its visionary design, it allows for effortless fluid transitions and superior control, ensuring your system remains at the forefront of performance innovation.;
(2) Connection Block Ports P & R Specifications - The epitome of precision and reliability converging to create a sturdy operational framework. Crafted with meticulous attention to detail, these specifications promise impeccable performance and heightened dependability across all applications, laying a solid foundation for enduring success.:
2-G3/8; This design epitomizes compact proficiency, supporting streamlined operational efficiencies with remarkable precision. Expertly crafted to excel in space-constrained environments, it guarantees outstanding performance without any compromise.
3-G1/2; Engineered for exceptional strength and reliability, this component forms a robust backbone for your system's endurance. Built to withstand challenging conditions, it offers unwavering durability and top-tier performance.;
4-G3/4; Featuring avant-garde connectivity, this component delivers unmatched control and integration. Its sophisticated design enhances system efficiency, elevating overall operational capability with exceptional finesse.;
5, 55-G1; Providing exceptional flow rates for high-demand scenarios, this component guarantees consistent, robust performance. Designed for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Delivering extraordinary performance, this component shines 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's capabilities with innovative components that redefine operational excellence. These advanced specifications unlock new levels of performance, transforming your operations into a benchmark of unparalleled 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 seamlessly.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to elevate your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component operates in perfect harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, driving exceptional performance and reliability. Surpassing conventional limits, it delivers outstanding results every time.;
(4) Pilot Oil Circuit Pressure Options - Discover the ultimate in power and precision with our tailor-made pressure control solutions, crafted with exceptional detail to meet diverse application needs. Designed to provide accuracy and alignment with your operational objectives, these options redefine excellence in performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience custom-engineered solutions that seamlessly blend with your unique operational demands. Revel in customizable configurations that empower you to attain your desired outcomes with pinpoint precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Transform your system's efficiency and control to unparalleled levels: Crafted to enhance system performance, offering exceptional control and effectiveness, revolutionizing 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 delivering unmatched system efficiency and adaptability.D/F - Introducing a groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision, establishing a designated pressure value, significantly enhancing safety measures while optimizing operational reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, flawlessly fulfilling all hydraulic requirements. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control for diverse applications with supreme precision.
(7) Product Series Classification - The Apex of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, meticulously crafted to address every application, ensuring a product that seamlessly aligns with your specific requirements, consistently delivering superior 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, engineered for flawless integration, 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, specially tailored for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each providing precision and exceptional efficiency, customized to your specific needs.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to satisfy specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Unlock the full potential of your hydraulic system with our extensive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is meticulously designed to deliver peak efficiency, ensuring supreme performance and unwavering dependability in even the most demanding environments.
(12) Secondary Pressure Limitation Options: Discover the epitome of operational safety and reliability with our expertly crafted pressure limitation options, precisely engineered for unparalleled precision. Opt for 'N' if your tasks require no pressure limiting, delivering straightforward functionality. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, providing consistent and reliable performance. For specialized and independent control, select 'A---B---', offering tailored management of ports A and B. Each option is engineered to uphold the highest standards of system integrity, ensuring your operations are not only secure but remarkably efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with a selection of customizable options crafted for unparalleled performance. Select 'N' for operations without function ON/OFF or pressure outlet demands, perfect for basic processes. For enhanced control, 'X' with C type pressure limitation is ideal, 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 specifically designed to ensure precision, efficiency, and exceptional operational excellence.
(14) Operation Modes: Uncover a world of versatility and precision with our diverse operation modes. 'A(1,2)' offers manual operation with customizable long or short handle options to suit your ergonomic preferences. Experience advanced control with 'E' for electric proportional control, or 'EA(1,2)' for a blend of manual and electric adaptability. 'D' provides electric switching value control, with 'DA(1,2)' enhancing manual operation. For expert manual friction positioning, choose 'M' with a long handle. For exclusively hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive system mastery.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to guarantee seamless integration into your system. Each option is crafted for unparalleled adaptability, promising peak performance across diverse systems and operational demands, ensuring your system remains at the pinnacle of its capabilities.
(16) End Plate Options: Explore our expertly designed end plate solutions, each engineered to meet the highest standards of functionality and adaptability. 'E1' offers external discharge of pilot oil and oil return control port T, setting the benchmark for performance. 'E2' provides an additional port Y for enhanced flexibility. 'E3' features a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1', offering advanced internal discharge of pilot oil and a sealed port T, optimizing efficiency. 'E5' encompasses the robust features of 'E2' with internal discharge for superior system performance. 'E6' encapsulates the advanced design of 'E3', offering sophisticated discharge control, making it perfect for the most demanding system requirements, ensuring your system is always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure voltage options like the G12-12VDC, expertly crafted for safety and reliability even in the harshest conditions. Our selections provide specialized solutions ensuring your system's stability and performance are consistently 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 become a beacon in the hydraulic industry, renowned for its unwavering pursuit of groundbreaking innovations and unparalleled excellence. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. Our commitment is to deliver pioneering technological advancements while maintaining superior quality standards. With extraordinary expertise, we excel in comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our dedication to continuously raise our standards of excellence, further solidifying our leadership position in the industry.
At the forefront of our pioneering product lineup stands our flagship innovation: the Enhanced Safety Atex Valve. This marvel of contemporary engineering epitomizes state-of-the-art hydraulic system control, meticulously designed for seamless integration into construction machinery and robust heavy-duty equipment. Its critical functionality spans vital applications, encompassing life-saving emergency rescue missions, complex tunnel engineering, ambitious mining operations, and essential municipal service vehicle operations. Our steadfast commitment to forming strategic alliances with leading domestic manufacturers accelerates 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 crafting exceptional products, providing unmatched services, and offering groundbreaking solutions. With a vision to be globally recognized 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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