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 epitome of consistency and excellence, this pump ensures a seamless and efficient workflow, transforming your system into a masterpiece of engineering prowess. Revel in unrivaled reliability and empower your machinery to function with unparalleled precision and stability.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and modern innovation, this pump provides remarkable flexibility to meet varied operational needs. With its avant-garde design, it facilitates smooth transitions and superior control, ensuring your system remains at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - The meeting point of precision and steadfast reliability, creating an indomitable operational framework. Skillfully crafted to exacting standards, these specifications deliver flawless performance and heightened dependability across diverse applications, laying a rock-solid foundation for success.:
2-G3/8; This design is the embodiment of compact efficiency, supporting streamlined operations with pinpoint precision. Expertly engineered for space-constrained environments, it assures exceptional performance without compromise.
3-G1/2; Built for strength and dependability, this component serves as a robust backbone for your system's endurance. Designed to thrive in demanding conditions, it offers steadfast durability and performance.;
4-G3/4; With leading-edge connectivity, this component provides superior control and integration. Its advanced design enhances system efficiency, boosting overall operational capability with flair and finesse.;
5, 55-G1; Delivering outstanding flow rates for high-demand scenarios, this component guarantees consistent and robust performance. Engineered for excellence, it tackles high-pressure challenges with ease and precision.;
6-G1 1/4; Offering exceptional performance, this component excels in the toughest environments. Engineered to exceed expectations, it sets new standards in power and capability, managing demanding tasks effortlessly.;
(3) Additional Components and Specifications - Elevate your system's capabilities with state-of-the-art components that redefine operational excellence. These advanced specifications unlock unparalleled performance levels, transforming your operations into a benchmark of success.:
C,Standard Type - A steadfast foundation, expertly crafted to meet core operational requirements. 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 optimize 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 perfects flow management, driving extraordinary performance and reliability. Surpassing conventional limits, it delivers exceptional results time and again.;
(4) Pilot Oil Circuit Pressure Options - Unleash unparalleled power with custom pressure control solutions tailored for diverse applications. Crafted with precision to meet your specific needs, these options provide 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 harmoniously 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 boost your system's performance, offering unmatched control and extraordinary 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 masterpiece is crafted with immaculate precision to uphold a specifically 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: Delight in the pinnacle of 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 Paramount of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series reflects 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 exhaustive 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.
(11) Output flow code for ports A & B: Unlock superior efficiency with our expertly designed output flows, available in a range of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow option is meticulously engineered for peak performance and steadfast reliability, promising unbreakable dependability and top-tier execution in all operational scenarios.
(12) Secondary Pressure Limitation Options: Delight in unmatched safety and precision with our sophisticated pressure limitation choices, precisely calibrated in bar to deliver exceptional peace of mind. Opt for 'N' for straightforward tasks without pressure limiting protection. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, ensuring impeccable consistency. For specialized and independent control, 'A---B---' provides tailored management of ports A and B. Every option is crafted to uphold superior system integrity, ensuring your operations run smoothly and securely.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational excellence with an array of versatile, customizable options crafted for supreme performance. 'N' offers a streamlined solution with no function ON/OFF or pressure outlet needs. For advanced control, 'X' with C type pressure limitation is ideal, or opt for 'S/S1' with AB type pressure limitation for comprehensive oversight. For precise electrical control, select 'A' for ON/OFF on side A or 'B' for side B. Each option is meticulously engineered for optimal precision, efficiency, and superior operational prowess.
(14) Operation Modes: Experience unparalleled versatility and precision with our diverse operation modes. 'A(1,2)' caters to manual operation with ergonomic options of a long or short handle. 'E' offers cutting-edge electric proportional control, while 'EA(1,2)' combines this with manual operation for maximum adaptability. 'D' provides electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Opt for 'M' for expert manual friction positioning with a long handle. For exclusively hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, aligned or perpendicular, ensuring comprehensive control and system mastery.
(15) Ancillary Block Port Sizes: Elevate your system's adaptability and performance with our impeccably 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 peerless adaptability, delivering peak performance amid diverse systems and operational challenges, reassuring your system's utmost functionality at all times.
(16) End Plate Options: Explore our premium end plate solutions, each crafted to meet the pinnacle of functionality and adaptability. 'E1' provides external discharge of pilot oil and oil return control port T. 'E2' extends capabilities with an additional port Y for greater flexibility. 'E3' is engineered for high performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels upon activation, ensuring optimal functionality and reliability.
E4 mirrors the innovation of 'E1', featuring state-of-the-art internal discharge of pilot oil and a sealed port T for refined efficiency. 'E5' integrates the robust features of 'E2' with internal discharge for superior system performance. 'E6' embodies the sophisticated design of 'E3', offering advanced discharge control perfect for demanding system requirements, keeping your system at the zenith of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, such as the G12-12VDC, engineered for safety and reliability in even the most challenging environments. Our offerings provide tailored solutions and security, ensuring the stability and performance of your system are consistently optimal and 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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