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 extraordinary power with our bespoke pressure control solutions, meticulously designed for a multitude of applications. These options are crafted with precision to align with your unique needs, offering unparalleled accuracy that synchronizes seamlessly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover custom-engineered solutions that integrate smoothly with your operational demands. These configurations empower you to achieve desired outcomes with ease and precision, transforming your operational experience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system to new heights of efficiency and control. Expertly crafted, this valve enhances performance, delivering unmatched control and effectiveness that revolutionizes your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, powers the pump, and unloads when not powered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when not powered. Precision tuning that provides superior system efficiency and adaptability.D/F - Introducing a state-of-the-art, precision-engineered secondary pressure limiting valve (F50). Exquisitely crafted to maintain specific pressure values, this technical marvel enhances safety measures and elevates operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Relish in ultimate versatility and precision with adjustable settings from 63 to 400 bar levels. This component defines adaptability, seamlessly meeting all hydraulic requirements. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unrivaled pressure control for versatile applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to exceptional design, crafted to meet every application. They ensure seamless alignment with your specific requirements, delivering consistently remarkable 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, impeccably engineered for flawless integration, ensuring optimal efficiency and effectiveness.
(9)Directional valve block inflow controller options: Explore an extensive range of choices: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically for the N 3/3-way valve; 5, enhanced inflow controller. Each option offers precision and exceptional efficiency, tailored to your distinct needs.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each crafted to provide precise functionality and unmatched reliability for every requirement.
(11) Output flow code for ports A & B: Attain peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Discover the epitome of safety and reliability with our state-of-the-art pressure limitation options, precisely measured in bar for your ultimate peace of mind. Choose 'N' for scenarios where pressure limiting is not a priority, perfect for basic operations. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is crucial, ensuring performance never falters. For bespoke, independent control, select 'A---B---', offering specialized mastery over ports A and B. Each carefully crafted option is engineered to uphold superior system integrity, keeping your operations secure and running smoothly.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational acumen with a selection of customizable options designed for peak performance. For basic tasks, 'N' provides a no-frills approach with no ON/OFF or pressure outlet specifications. For processes demanding elevated control, 'X' combined with C type pressure limitation is ideal, or select 'S/S1' with AB type pressure limitation for top-tier oversight. For precise electrical management, opt for 'A' for ON/OFF control on side A, or 'B' for side B. Each option is meticulously engineered to deliver precision, efficiency, and excellence in operation.
(14) Operation Modes: Discover our versatile range of operation modes, each expertly crafted for unparalleled flexibility and precision. 'A(1,2)' provides manual control with options for long or short handles, tailored to your ergonomic preferences. 'E' delivers sophisticated electric proportional control, while 'EA(1,2)' merges this with manual operation for optimal adaptability. 'D' offers electric switching value control, further enhanced with manual options in 'DA(1,2)'. Choose 'M' for expert manual friction positioning with a long handle. For all-hydraulic operations, 'H' and 'F' feature unique pilot oil port designs, either aligned or perpendicular, ensuring complete control and command of your system.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precision-engineered port size options. Select from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, ensuring flawless system integration. Each option is crafted for unrivaled adaptability, delivering peak performance across diverse systems and operational demands, ensuring your system consistently operates at its highest potential.
(16) End Plate Options: Explore our range of expertly engineered end plate solutions, each crafted to uphold the highest standards of functionality and versatility. 'E1' offers external discharge of pilot oil and oil return via control port T. 'E2' extends capabilities with an additional port Y, providing improved flexibility. 'E3' is crafted for high-level performance with a 2-position, 3-way magnetic ball valve, increasing system pressure to safety valve levels when activated, ensuring unmatched functionality and reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for optimal efficiency. 'E5' combines the robust features of 'E2' with internal discharge, offering superior system performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control, ideal for the most demanding system requirements, ensuring your system is always at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our dependable and secure voltage options, such as the G12-12VDC, designed for utmost safety and reliability even in challenging conditions. Our offerings ensure specialized solutions and security tailored to any application, safeguarding your system's stability and performance without compromise.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 been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be a national high-tech enterprise, showcasing our dedication to pioneering technological advancements and upholding superior quality standards. Our extensive expertise spans comprehensive research, state-of-the-art development, precise manufacturing, and strategic marketing of top-tier hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are committed to perpetually elevating our standards of excellence, further solidifying our leadership position in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, expertly crafted for seamless integration into construction machinery and robust heavy-duty equipment. Its crucial functionality spans 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 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 dedicated to producing exceptional products, providing unparalleled services, and delivering groundbreaking solutions. With the ambition 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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