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 unwavering excellence, this pump is the heartbeat of your system, ensuring a seamless and continuous workflow. Transform your machinery into a masterpiece of engineering precision, enjoy unparalleled dependability, and experience machinery operating at its peak efficiency and precision.;
HLPSV: Variable Displacement Pump - A beacon of versatility and innovation, this pump excels in adaptability, seamlessly accommodating a wide array of operational demands. Its cutting-edge design facilitates smooth transitions and exceptional control, keeping your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - The synergy of precision and reliability, these specifications create a steadfast operational framework. Crafted with precision and care, they ensure flawless performance and reliability across diverse applications, providing a rock-solid foundation for your success.:
2-G3/8; This design exemplifies compact proficiency and supports streamlined operational efficiency with pinpoint accuracy. Tailored for confined spaces, it promises remarkable performance without compromise, offering significant advantages in space-constrained settings.
3-G1/2; Built for resilience and dependability, this component is the stalwart backbone of your system's durability. Engineered to endure the toughest conditions, it delivers consistent strength and unwavering performance.;
4-G3/4; Equipped with advanced connectivity, this component offers unmatched control and integration. Its refined design enhances system efficiency, boosting overall operational capability with sophistication.;
5, 55-G1; Ensuring exceptional flow rates for high-demand applications, this component provides consistent, robust performance. Tailored for excellence, it meets high-pressure challenges with grace and precision.;
6-G1 1/4; Delivering exceptional performance, this component thrives in challenging environments. Designed to exceed expectations, it sets new standards in power and capability, effortlessly managing demanding tasks.;
(3) Additional Components and Specifications - Propel your system to new heights with state-of-the-art components that redefine operational excellence. These cutting-edge specifications unlock unparalleled performance, transforming your operations into a model of success.:
C,Standard Type - A reliable foundation, crafted to meet essential operational needs. This component provides unwavering support and unmatched reliability, empowering your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Achieve superb precision control to enhance your system's efficiency. This valve meticulously fine-tunes operations for peak effectiveness, ensuring every component harmonizes 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 transcends conventional limits, consistently producing exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Experience a new realm of power and precision with our bespoke pressure control solutions, engineered to perfection for a multitude of applications. Tailored meticulously to cater to your precise operational needs, these options provide extraordinary accuracy and alignment, ensuring your operational objectives are not just met, but surpassed with excellence.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing expertly crafted solutions that seamlessly integrate with your exclusive operational demands. Enjoy a range of customizable configurations that enable you to effortlessly achieve your desired outcomes with unmatched precision and ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's efficiency and control to unprecedented levels: Meticulously designed to enhance system performance, providing unmatched control and exceptional effectiveness that will revolutionize your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, enabling pump pressurization when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered, and pressurizing when unpowered. Precision-tuned to provide superior system efficiency and adaptability.D/F - Introducing a state-of-the-art, precisely engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with impeccable precision to uphold a specific pressure value, significantly enhancing advanced safety protocols and elevating operational security and reliability to new standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component represents the epitome of adaptability, fulfilling every hydraulic requirement with seamless ease. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unmatched pressure control for diverse applications with supreme precision.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, skillfully crafted to address every application. Rest assured, you will acquire a product that perfectly aligns with your specific requirements, delivering consistently outstanding 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: Select from a comprehensive 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-configured options, each offering precision and exceptional efficiency, customized to your specific requirements.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unsurpassed precision and reliability.
(11) Output flow code for ports A & B: Experience peak operational efficiency with our diverse range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is meticulously engineered for exceptional performance and unwavering reliability, ensuring that your hydraulic systems function with precision and dependability.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our precision-engineered pressure limitation options, calibrated in bar to provide you with unmatched peace of mind. Choose 'N' for basic tasks that do not require pressure limiting protection. Opt for 'C' for simultaneous pressure limitation on actuator ports A & B to maintain consistent performance. For specialized control, select 'A---B---' for independent management of ports A and B. Each option is crafted to uphold the highest standards of system integrity, ensuring security and efficiency in all operations.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational capabilities with our range of customizable options designed for peak performance. Choose 'N' for straightforward operations, with no function ON/OFF or pressure outlet requirements. For processes requiring greater control, 'X' with C type pressure limitation is perfect, or '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 option is crafted to deliver maximum precision, efficiency, and operational excellence.
(14) Operation Modes: Discover our comprehensive range of operation modes, each designed for unparalleled versatility and precision. 'A(1,2)' offers manual operation with long or short handle options, tailored to your ergonomic preferences. 'E' provides cutting-edge electric proportional control, while 'EA(1,2)' combines this with manual operation for optimal adaptability. 'D' features electric switching value control, complemented by 'DA(1,2)' for manual enhancements. Choose 'M' for expert manual friction positioning with a long handle. For purely hydraulic operations, 'H' and 'F' offer unique pilot oil port designs, ensuring complete control and mastery over your system.
(15) Ancillary Block Port Sizes: Maximize adaptability and performance with our meticulously engineered port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless system integration. Each option is designed for exceptional adaptability, delivering peak performance across various systems and operational demands, ensuring your system operates at its best.
(16) End Plate Options: Discover our superior end plate solutions, designed to meet the highest standards of functionality and adaptability. 'E1' delivers with its external discharge of pilot oil and oil return control port T. 'E2' enhances flexibility with an additional port Y. 'E3' offers advanced performance with a 2-position, 3-way magnetic ball valve, enhancing system pressure to safety valve levels when activated, ensuring both superior functionality and reliability.
E4 mirrors 'E1', incorporating advanced internal discharge of pilot oil and a sealed port T for enhanced 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 for demanding system requirements, ensuring your system remains at the forefront of efficiency and elegance.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our robust and secure voltage options, like the G12-12VDC, engineered for security and reliability even in the harshest environments. Our options deliver specialized solutions tailored to any application, ensuring your system's stability and performance 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 consistently blazed a trail of excellence in the hydraulic industry, marked by a relentless pursuit of innovation and an unwavering commitment to quality. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly carry the mantle of a national high-tech enterprise, embodying our dedication to pioneering technological advancements and upholding superior quality standards. Our exceptional expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of elite hydraulic components. Celebrated nationwide as a 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to perpetually elevate our standards of excellence, further solidifying our leadership position within the industry.
At the core of our innovative product lineup is our flagship breakthrough: the Enhanced Safety Atex Valve. This masterpiece of modern engineering epitomizes state-of-the-art hydraulic system control, meticulously designed for flawless integration into construction machinery and robust heavy-duty equipment. Its vital functionality spans across critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and essential municipal service vehicle operations. Our unwavering commitment to forging strategic partnerships with leading 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 delivering exceptional products, providing unparalleled services, and offering groundbreaking solutions. With a vision to be globally recognized as a trusted supplier of premier hydraulic components, we continually aspire to set new benchmarks of excellence on the world 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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