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 - A paragon of consistent excellence, this pump ensures smooth, continuous operation. It transforms your system into an engineering marvel, delivering unmatched precision and reliability that empowers your machinery for seamless performance.;
HLPSV: Variable Displacement Pump - The epitome of innovation and adaptability, this pump caters to diverse operational needs with fluid transitions and exceptional control. Its forward-thinking design keeps your system at the forefront of performance excellence.;
(2) Connection Block Ports P & R Specifications - Precision and reliability meet to create a formidable operational framework. These detailed specifications ensure impeccable performance and robust dependability across applications, laying a solid foundation for success.:
2-G3/8; Masterfully designed for compact proficiency, this component supports streamlined operations with precision. Ideal for space-constrained environments, it promises exceptional performance without compromise.
3-G1/2; Built for strength and endurance, this robust component is the backbone of your system's reliability. Capable of withstanding demanding conditions, it offers unwavering durability and performance.;
4-G3/4; With advanced connectivity, this component delivers superior control and integration. Its elegant design enhances system efficiency, boosting overall operational capability with finesse.;
5, 55-G1; Ensuring exceptional flow rates for high-demand scenarios, this component guarantees consistent, robust performance. Designed to address high-pressure challenges with ease and precision, it stands out in excellence.;
6-G1 1/4; Delivering extraordinary performance in challenging environments, this component sets new power standards. Engineered for excellence, it handles demanding tasks with effortless capability.;
(3) Additional Components and Specifications - Unleash your system's potential with advanced components that elevate operational excellence. These specifications redefine performance, setting a benchmark for success.:
C,Standard Type - A steadfast foundation crafted to meet essential operational demands. This component provides unwavering support and unmatched reliability, enabling your system to achieve its fullest potential.;
G,Throttle Valve (For HLPSL only) - Attain precision control to boost system efficiency. This valve fine-tunes operations for maximum effectiveness, ensuring harmonious component synergy for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management, this valve offers extraordinary performance and reliability, consistently delivering 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, ensuring performance excellence.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 boost your system's performance, offering unmatched control and extraordinary effectiveness that revolutionizes your operational capabilities and enhances productivity.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 to suit every requirement.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 and reliability to meet the highest standards.
(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 and performance.
(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 with innovative design.
(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, ensuring optimal performance for every application.
(11) Output flow code for ports A & B: Discover unmatched precision and efficiency with our comprehensive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow is meticulously engineered to ensure optimal performance and unwavering reliability, allowing your systems to operate at their peak.
(12) Secondary Pressure Limitation Options: Discover the pinnacle of safety and reliability with our expertly engineered pressure limitation options, precisely calibrated in bar for your peace of mind. Opt for 'N' to operate without pressure limiting protection for simpler tasks. Choose 'C' for simultaneous pressure limitation on actuator ports A & B, guaranteeing consistent system performance. For tailored, independent control, select 'A---B---', providing specialized management for ports A and B. Each choice is crafted to uphold the highest standards of system integrity, ensuring your operations remain secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational capabilities with our versatile array of customizable options engineered for peak performance. For straightforward processes, 'N' offers no function ON/OFF or pressure outlet requirements. For enhanced control, 'X' with C type pressure limitation is ideal, or choose 'S/S1' with AB type pressure limitation for superior oversight. For precise electrical management, opt for 'A' for ON/OFF functionality on side A, or 'B' for side B. Each option is designed with meticulous attention to precision, efficiency, and operational excellence.
(14) Operation Modes: Explore our diverse range of operation modes, each crafted for exceptional versatility and precision. 'A(1,2)' offers manual operation with customizable handle lengths to meet your ergonomic needs. 'E' provides sophisticated electric proportional control, merging with manual operation in 'EA(1,2)' for adaptability. 'D' introduces electric switching value control, enhanced by 'DA(1,2)' for manual features. 'M' promises expert manual friction positioning with a long handle. For pure hydraulic control, 'H' and 'F' offer unique pilot oil port designs, both aligned and perpendicular, ensuring comprehensive mastery over your system.
(15) Ancillary Block Port Sizes: Maximize adaptability and performance with our expansive range of port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration across various systems. Each option is expertly designed to deliver outstanding adaptability and peak performance, guaranteeing that your system consistently operates at its best.
(16) End Plate Options: Elevate your system's functionality with our precisely engineered end plate solutions. 'E1' pioneers with its external discharge of pilot oil and oil return control port T. 'E2' extends your system's capabilities with an added port Y for enhanced flexibility. 'E3' boosts performance through a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve standards when activated, providing superior functionality and reliability.
E4 mirrors 'E1', featuring advanced internal discharge of pilot oil and a sealed port T for superior efficiency. 'E5' builds on the robust features of 'E2' with internal discharge for heightened system performance. 'E6' encapsulates the elite design of 'E3', offering refined discharge control, ideal for demanding system requirements, ensuring your system's efficiency and sophistication are always at the forefront.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our high-performance voltage options, including the G12-12VDC, tailored for safety and reliability in challenging conditions. Our selections provide specialized solutions and enhanced security for any application, safeguarding your system's stability and performance at all times.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 been a beacon of innovation within the hydraulic industry, consistently pushing the boundaries of technological advancement and maintaining an unwavering dedication to superior quality. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise. Our commitment to innovation is reflected in our comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premium hydraulic components. Celebrated as a 'specialized, refined, and innovative' small giant enterprise across the nation, we are steadfast in our mission to elevate standards of excellence, continuously solidifying our leadership in the industry.
At the core of our innovative product range is our flagship marvel: the Enhanced Safety Atex Valve. This masterpiece of engineering exemplifies state-of-the-art hydraulic control, designed meticulously for seamless integration with construction machinery and heavy-duty equipment. Its essential functionality spans critical applications, such as life-saving emergency rescues, complex tunnel engineering, ambitious mining operations, and the operation of indispensable municipal service vehicles. Our dedication to forming 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 committed to producing exceptional products, delivering unparalleled services, and providing innovative solutions. With aspirations to be recognized globally as a trusted supplier of premier hydraulic components, we continuously aim to set new standards 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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