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 backbone of steadfast performance, this pump assures a reliable and seamless operation, transforming your hydraulic system into a masterpiece of engineering prowess. Revel in supreme reliability and empower your machinery to achieve extraordinary precision.;
HLPSV: Variable Displacement Pump - Exemplifying versatility and cutting-edge technology, this pump provides remarkable adaptability to meet diverse operational needs. With its innovative design, it offers seamless transitions and exceptional control, keeping your system at the forefront of excellence.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability to create a formidable operational framework. Crafted with meticulous detail, these specifications ensure impeccable performance and unwavering dependability across all applications, laying a solid foundation for success.:
2-G3/8; This design showcases compact efficiency, facilitating streamlined operations with precision. Built to thrive in confined spaces, it promises exceptional performance without compromise.
3-G1/2; Designed for strength and reliability, this component is the cornerstone of your system's endurance. Engineered to withstand challenging conditions, it offers steadfast durability and performance.;
4-G3/4; With advanced connectivity, this component delivers unmatched control and integration. Its sophisticated design enhances system efficiency, boosting overall operational capability with elegance.;
5, 55-G1; Providing exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Engineered for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Delivering outstanding performance, this component excels in demanding environments. Designed to exceed expectations, it sets new standards in power and capability, effortlessly managing challenging tasks.;
(3) Additional Components and Specifications - Enhance your system's capabilities with state-of-the-art components that redefine operational excellence. These superior specifications unlock new performance levels, transforming your operations into a paragon of success.:
C,Standard Type - A dependable foundation, expertly crafted to meet essential operational demands. This component provides unwavering support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precision control to optimize your system's efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring every component operates in harmony for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve elevates flow management, ensuring extraordinary performance and reliability. Surpassing traditional limits, it consistently delivers exceptional outcomes.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of hydraulic precision and power with our tailor-made pressure control solutions, meticulously designed to suit a vast array of applications. With unrivaled precision, these options align seamlessly with your operational objectives, ensuring exceptional accuracy and performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover our custom-engineered solutions that perfectly integrate with your specific operational requirements. Enjoy adaptable configurations that enable you to meet your desired outcomes effortlessly and with unmatched precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control with our expertly crafted valve solutions, elevating your operational capabilities to new heights through unmatched control and extraordinary effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered. Achieve unmatched system efficiency and adaptability with our precision tuning solutions.D/F - Discover a state-of-the-art, precision-engineered pressure limiting valve designed for secondary pressure (F50). This engineering marvel ensures a specifically designated pressure value, significantly enhancing safety measures while optimizing operational security and reliability to unprecedented standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the utmost adaptability and precision with adjustable settings ranging from 63 to 400 bar. This component embodies versatility, catering to every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, designed for HLPSV, delivering unmatched pressure control and accuracy across diverse applications.
(7) Product Series Classification - Unveiling the Apex of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to design excellence, expertly crafted to meet diverse applications, ensuring you receive a product that aligns perfectly with your unique requirements, consistently delivering 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 peak efficiency and performance.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 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. Choose pre-configured options, each offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to cater to specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Unlock a world of unmatched safety and steadfast reliability with our ingeniously crafted pressure limitation selections. Each option is meticulously calibrated in bar to grant you seamless peace of mind. For operations demanding simplicity without pressure limiting, select 'N'. Opt for 'C' when dual pressure limitation across actuator ports A & B is crucial to ensure sustained, consistent performance. For bespoke, independent control, 'A---B---' stands ready, offering specialized management for ports A and B. Every choice is crafted with precision, upholding exemplary system integrity, ensuring your operations stay secure, efficient, and flawlessly smooth.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with a suite of customizable choices, each designed for supreme performance. 'N' offers no function ON/OFF or pressure outlet needs, perfect for straightforward processes. When heightened control is a necessity, 'X' with C type pressure limitation excels, or opt for 'S/S1' with AB type pressure limitation for unparalleled oversight. For electrical precision, select 'A' for ON/OFF capability on side A or 'B' for side B. These meticulously crafted options ensure maximum precision, operational efficiency, and excellence, empowering you to achieve the zenith of performance.
(14) Operation Modes: Delve into our expansive array of operation modes, each tailored for exceptional versatility and precision. 'A(1,2)' caters to manual operations, offering a long or short handle to fit your ergonomic preferences. For advanced control, 'E' offers electric proportional control, 'EA(1,2)' combines it with manual operation, boosting adaptability and responsiveness. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual refinement. Opt for 'M' for skilled manual friction positioning with a long handle. 'H' and 'F' deliver unique hydraulic pilot oil port designs, either aligned or perpendicular, ensuring comprehensive mastery over your system.
(15) Ancillary Block Port Sizes: Propel adaptability and elevate performance with our finely engineered port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, promising seamless integration across diverse systems. Each option is crafted for unrivaled adaptability, delivering superior performance across varied operational scenarios, ensuring your system consistently achieves peak performance.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to achieve the pinnacle of functionality and adaptability. 'E1' leads with its external discharge of pilot oil and oil return control port T. 'E2' enriches with an additional port Y for augmented flexibility. 'E3' boasts advanced performance with a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when engaged, ensuring superior functionality and reliability.
E4 echoes 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for optimal efficiency. 'E5' integrates 'E2's robust features with internal discharge for exceptional system performance. 'E6' encapsulates the sophisticated essence of 'E3', offering advanced discharge mastery, perfect for the most demanding systems, ensuring your system remains at the forefront of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our rigorous and secure voltage options, such as the G12-12VDC, meticulously crafted for safety and steadfast reliability, even within the most challenging environments. Our offerings deliver specialized solutions and unwavering security tailored for 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 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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