Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the newest pinnacle of hydraulic technology. 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 - Experience unwavering excellence and a seamless, uninterrupted workflow with this cornerstone pump. It transforms your system into a marvel of precision engineering, ensuring unparalleled dependability and elevating your machinery's performance to new heights with unmatched precision.;
HLPSV: Variable Displacement Pump - A beacon of flexibility and advanced innovation, this pump adapts to diverse operational demands with extraordinary ease. With its visionary design, it allows for seamless transitions and exceptional control, keeping your system at the forefront of high-performance engineering.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a robust framework for supreme operation. Crafted with meticulous attention, these specifications assure impeccable performance and enhanced reliability across all applications, laying an indomitable foundation for success.:
2-G3/8; This compact design embodies precise efficiency, supporting streamlined operations even in the most space-restricted environments. It is meticulously crafted to deliver outstanding performance without compromise.
3-G1/2; Engineered for superior strength and reliability, this component acts as a formidable backbone, ensuring your system's endurance. Built to withstand the harshest conditions, it offers unwavering durability and exceptional performance.;
4-G3/4; Featuring advanced connectivity, this component offers unmatched control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with finesse and precision.;
5, 55-G1; Delivering exceptional flow rates in high-demand scenarios, this component ensures consistent, robust performance. Crafted for excellence, it tackles high-pressure challenges effortlessly, maintaining precision and dependability.;
6-G1 1/4; Offering exceptional performance, this component excels in challenging environments. Engineered to exceed expectations, it sets new benchmarks in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Elevate your system's capabilities with state-of-the-art components that redefine performance standards. These advanced specifications unlock new levels of operational excellence, transforming your systems into benchmarks of success.:
C,Standard Type - A reliable foundation, meticulously designed to meet fundamental operational requirements. This component offers unwavering support and exceptional reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control and maximize your system's efficiency with this valve. It fine-tunes operations for peak effectiveness, ensuring each component operates in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering extraordinary performance and reliability. It surpasses conventional limits to achieve exceptional results every time.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with our custom pressure control solutions, expertly tailored for diverse applications. These solutions are meticulously crafted to precisely meet your unique requirements, providing unmatched accuracy and seamless alignment with your operational goals, thus ensuring superior functionality.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting custom-engineered solutions that integrate effortlessly with your unique operational demands. Enjoy customizable configurations that empower you to achieve your desired outcomes with precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your system's efficiency and control to new heights. Expertly designed to enhance your system's performance, offering extraordinary control and effectiveness that revolutionize your operational capabilities, setting new standards in efficiency.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. This precision tuning provides unmatched system efficiency and adaptability, ensuring optimal performance.D/F - Experience the pinnacle of engineering with our cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with precision to maintain a designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unrivaled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, fulfilling every hydraulic requirement. The /NF configuration, designed for HLPSV, offers superior 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 represents a masterclass in design, skillfully crafted to meet every application, ensuring you receive a product that aligns seamlessly 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, engineered for flawless integration, ensuring optimal efficiency and seamless functionality.
(9)Directional valve block inflow controller options: Choose from an extensive 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, ensuring top-tier performance.
(11) Output flow code for ports A & B: Achieve peak efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is meticulously engineered for supreme performance and unwavering dependability, designed to elevate your hydraulic systems to new heights.
(12) Secondary Pressure Limitation Options: Experience unmatched safety and reliability with our precision-engineered pressure limitation options, articulated in bar for absolute peace of mind. Opt for 'N' for straightforward tasks without pressure limiting protection. Select 'C' for essential simultaneous pressure limitation on actuator ports A & B, ensuring consistent and reliable performance. Choose 'A---B---' for tailored, independent control of ports A and B, each designed to uphold the highest standards of system integrity, securing efficient and safe operations.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational proficiency with our customizable options crafted for peak performance. For straightforward operations, opt for 'N', which requires no function ON/OFF or pressure outlet. For enhanced control, 'X' with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For electrical precision, select 'A' for ON/OFF functionality on side A or 'B' for side B, each crafted to ensure precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our diverse operation modes, each expertly crafted for unparalleled versatility and precision. 'A(1,2)' offers manual operation with long or short handle options, tailored to ergonomic needs. 'E' provides advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability. 'D' delivers electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For hydraulic operations, 'H' and 'F' present unique pilot oil port designs for comprehensive system control.
(15) Ancillary Block Port Sizes: Enhance adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless system integration. Each selection is crafted for unmatched adaptability, delivering peak performance across diverse systems and demands, ensuring your system consistently operates at its best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each designed to uphold the highest standards of functionality and adaptability. 'E1' establishes a benchmark with its external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y for enhanced flexibility. 'E3' is engineered for advanced performance with 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', featuring advanced internal discharge of pilot oil and a sealed port T for optimized efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for enhanced system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for demanding system requirements, ensuring your system consistently delivers exceptional efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and reliable voltage options, including the G12-12VDC, designed for safety and reliability in challenging environments. Our solutions offer specialized security for any application, ensuring your system's stability and performance remain 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 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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