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. While 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 foundation of unwavering excellence in hydraulic systems, this pump ensures a consistent and smooth workflow, transforming your machinery into a marvel of engineering precision. Expect unparalleled dependability that empowers your equipment to function with unmatched accuracy and reliability.;
HLPSV: Variable Displacement Pump - A showcase of flexibility and innovation, this pump is designed to adapt extraordinarily to diverse operational demands. With a forward-thinking approach, it facilitates fluid transitions and superior control, ensuring your system remains at the forefront of technological performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a robust operational framework. Designed with meticulous attention to detail, these specifications ensure outstanding performance and elevated reliability across diverse applications, providing a steadfast foundation for success.:
2-G3/8; This design represents compact excellence, facilitating streamlined operational efficiencies with high precision. Carefully crafted for space-constrained environments, it delivers exceptional performance without compromise.
3-G1/2; Engineered for durability and reliability, this component forms a strong backbone for your system's resilience. Built to endure demanding conditions, it offers steadfast durability and performance.;
4-G3/4; Featuring advanced connectivity, this component offers unmatched control and integration. Its sophisticated design enhances system efficiency, elevating overall operational capability.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures robust, consistent performance. Designed for excellence, it addresses high-pressure challenges with ease and precision.;
6-G1 1/4; Offering extraordinary performance, this component excels in demanding environments. Engineered to surpass expectations, it sets new benchmarks in power and capability, handling challenging tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system's capabilities with cutting-edge components that redefine operational excellence. These advanced specifications unleash 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 provides unwavering support and unmatched reliability, enabling your system to reach 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 harmony among all components 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, consistently surpassing conventional limits.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. These precision-crafted options are designed to meet your specific needs, providing 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 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 - Elevate your system's efficiency and control to new heights: Expertly crafted to enhance your system's performance, offering unmatched control and 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 marvel is crafted with immaculate precision to uphold a specially 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: Experience the ultimate in 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 Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies 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 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 a comprehensive 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: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and unyielding dependability.
(12) Secondary Pressure Limitation Options: Embark on a journey of unparalleled safety and reliability with our expertly engineered secondary pressure limitation options. Calibrated with precision in bar, these options are designed to offer you utmost peace of mind. For straightforward tasks requiring no pressure limiting protection, select 'N'. When simultaneous pressure limitation on actuator ports A & B is crucial, 'C' ensures consistent and reliable performance. For customized and independent control, choose 'A---B---', allowing specialized management of ports A and B. Each option has been meticulously crafted to uphold the highest standards of system integrity, ensuring that your operations remain secure and efficient at all times.
(13) Function ON/OFF and Pressure Outlet Options: Amplify your operational performance with a selection of customizable options crafted for peak excellence. Choose 'N' for operations that require neither function ON/OFF nor pressure outlet functionalities. For processes requiring enhanced control, 'X' with C type pressure limitation suits perfectly, while 'S/S1' pairs with AB type pressure limitation for superior oversight. For electrical precision in operation, select 'A' for ON/OFF functionality on side A or 'B' for side B. Each option has been meticulously designed to ensure maximum precision, efficiency, and excellence in all operational endeavors.
(14) Operation Modes: Unleash unmatched versatility and precision with our meticulously designed operation modes. 'A(1,2)' offers manual operation with the flexibility of a long or short handle, tailored to your ergonomic needs. 'E' embraces advanced electric proportional control, and 'EA(1,2)' combines this with manual operation for optimal adaptability. 'D' delivers electric switching value control, enhanced by 'DA(1,2)' for manual finesse. Opt for 'M' for expert manual friction positioning with an extended handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, delivering comprehensive control and system mastery.
(15) Ancillary Block Port Sizes: Elevate your system's adaptability and performance with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration with any system. Each option is tailored for unmatched adaptability and peak performance across a broad spectrum of systems and operational demands, guaranteeing that your system operates at its very best.
(16) End Plate Options: Explore our expertly crafted end plate solutions, each engineered to meet the highest standards of functionality and adaptability. 'E1' offers an external discharge of pilot oil and an oil return control port T, setting a new standard of excellence. 'E2' expands capabilities with an additional port Y, enhancing flexibility. 'E3' is crafted for advanced performance with a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated, ensuring superior functionality and reliability.
E4 mirrors 'E1' with its 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, delivering superior system performance. 'E6' encapsulates the sophisticated design of 'E3', offering advanced discharge control, perfect for the most demanding system requirements, ensuring your operations are always at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and robust voltage options, such as the G12-12VDC, tailored for safety and reliability in the most challenging environments. Our offerings ensure specialized solutions and security, guaranteeing that the stability and performance of your system 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 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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