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 ensures a seamless workflow, transforming your system into an engineering marvel. Revel in unmatched dependability, empowering your machinery with precision unparalleled.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and forward-thinking innovation, this pump caters to diverse needs with finesse. Experience superior control and fluid transitions, keeping your system at peak performance.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability to create a robust framework. Crafted with care, these specs guarantee peak performance and reliability, forming a steadfast base for success.:
2-G3/8; Designed for compact efficiency, it supports streamlined operations with precision. Perfect for tight spaces, it ensures uncompromised performance.
3-G1/2; Built strong for enduring reliability, this component is the backbone of your system's resilience, enduring the toughest conditions.;
4-G3/4; Offering enhanced connectivity, this component ensures control and integration. Its advanced design boosts system efficiency and operational capability.;
5, 55-G1; Exceptional flow rates for high-pressure demands define this component. Engineered for peak performance, it tackles challenges with ease.;
6-G1 1/4; Delivering remarkable performance, this part sets new standards in power and capability, effortlessly handling demanding tasks.;
(3) Additional Components and Specifications - Enhance your system with cutting-edge components, redefining excellence. These advancements unlock peak performance, transforming operations into industry benchmarks.:
C,Standard Type - A stalwart foundation, crafted to meet core operational needs. This component ensures reliability, empowering your system to reach its potential.;
G,Throttle Valve (For HLPSL only) - Precision control enhances system efficiency. This valve optimizes operations, ensuring every part harmonizes for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve excels in flow management, offering extraordinary reliability and performance, exceeding conventional limits with exceptional results.;
(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 the power of precision and reliability with our diverse range of maximum output flows, perfectly tailored for achieving peak efficiency. Choose from options including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, each engineered to deliver unmatched performance and steadfast reliability. Experience the future of hydraulic control with flows that are designed for supreme operational dependability.
(12) Secondary Pressure Limitation Options: Prioritize safety and impeccable reliability with our sophisticated pressure limitation selections, calibrated with precision in bar. Whether your operations are straightforward or complex, we have a solution for you. Choose 'N' for tasks that don't require pressure limiting protection, or opt for 'C' when you need simultaneous pressure control on ports A & B to maintain consistency. For a bespoke approach, select 'A---B---', offering tailored management of ports A and B. Each option is crafted meticulously to uphold peak system integrity, ensuring that your operations are conducted securely and with optimum efficiency.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with our suite of customizable options designed for optimum performance. For simple tasks, 'N' offers no function ON/OFF or pressure outlet requirements. If enhanced control is your priority, 'X' with C type pressure limitation is the perfect choice, while 'S/S1' with AB type pressure limitation provides superior oversight. For electronic precision, select 'A' for ON/OFF functionality on side A, or 'B' for side B. Every option is thoughtfully engineered to guarantee the highest levels of precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our diverse and versatile operation modes, each crafted for unparalleled precision and adaptability. 'A(1,2)' offers manual control with options for a long or short handle, tailored to your ergonomic preferences. 'E' introduces advanced electric proportional control, while 'EA(1,2)' combines this with manual operation for ultimate adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' for manual augmentation. Choose 'M' for expert manual friction positioning with an extended handle. For exclusive hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, either aligned or perpendicular, ensuring comprehensive command and sophistication over any system.
(15) Ancillary Block Port Sizes: Achieve enhanced adaptability and performance with our precision-engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration, ensuring exceptional adaptability and peak performance across diverse systems and operational demands. Your system's excellence is assured with every choice.
(16) End Plate Options: Explore our expertly designed end plate solutions, each crafted to exceed the highest standards of functionality and adaptability. 'E1' establishes the benchmark with its external discharge of pilot oil and oil return control port T. 'E2' enhances your system's capabilities with an additional port Y for increased flexibility. 'E3' is engineered for top-tier performance with a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when engaged, ensuring superior functionality and reliability.
E4 mirrors 'E1', incorporating state-of-the-art internal discharge of pilot oil and a sealed port T to optimize efficiency. 'E5' builds on the robust features of 'E2' with internal discharge for enhanced system execution. 'E6' embodies the sophisticated design of 'E3', delivering advanced discharge control to meet the most demanding system requirements, keeping your system at the pinnacle of efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, including the G12-12VDC, crafted for ultimate safety and reliability in challenging environments. Our specialized solutions guarantee the utmost security and stability, ensuring that your system's performance is never compromised and operates at peak stability.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 become a beacon of innovation and excellence in the hydraulic industry, consistently pushing the boundaries of what's possible. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we take immense pride in our status as a national high-tech enterprise, epitomizing our steadfast dedication to pioneering advancements and maintaining the highest quality standards. Our unparalleled expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of superior hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we remain committed to perpetually elevating our standards of excellence, further solidifying our leadership position in this dynamic industry.
At the forefront of our groundbreaking product portfolio is our signature innovation: the Enhanced Safety Atex Valve. This marvel in modern engineering epitomizes state-of-the-art hydraulic system control, masterfully engineered for seamless integration into construction machinery and robust heavy-duty equipment. Its indispensable functionality serves a range of critical applications, from life-saving emergency rescue operations to intricate tunnel engineering, ambitious mining activities, and the operation of vital municipal service vehicles. Our unwavering commitment to forging strategic alliances with premier 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 outstanding products, providing unrivaled services, and delivering transformative solutions. With aspirations to achieve global recognition as a trusted supplier of premier hydraulic components, we relentlessly pursue setting new standards of excellence on the global 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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