Step into the future of hydraulic innovation with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components stand as the pinnacle of hydraulic engineering, encapsulating the perfect fusion of cutting-edge technology and unparalleled engineering prowess. Our valves masterfully integrate pressure, flow, and directional control into a unified, seamless unit, ensuring remarkable performance and unwavering dependability across all applications. Crafted with meticulous precision, each valve comprises three essential functional modules-connecting blocks, directional valves, and end plates-carefully designed for flawless incorporation into elite hydraulic systems, indispensable to high-end engineering machinery. These valves expertly modulate the direction and speed of hydraulic cylinders, motors, and various actuators, offering unmatched precision and command. Key features include a sleek, compact design, exceptional energy efficiency, and the capability for smooth, stepless speed modulation. Furthermore, they allow multiple actuators to function concurrently under diverse loads, delivering extraordinary performance and versatility across a wide range of applications.
The HLPSL valves are precisely crafted for constant displacement pump systems, ensuring steadfast and reliable operations across a variety of scenarios. Conversely, the HLPSV valves are specifically designed for variable pump systems. Although they may present a slightly slower response time, HLPSV valves are renowned for their exceptional energy-saving attributes, making them the perfect option where efficiency is critical. These valves, with their state-of-the-art engineering and environmentally conscious design, stand as the ultimate solution for sophisticated hydraulic control needs, harmoniously combining flawless precision, reliability, and energy efficiency into one seamless package.
| 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 - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system. Built for endurance, it stands as a cornerstone of reliability and efficiency.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease. Adaptability at its finest, it conforms precisely to the diverse needs of your operations.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework that enhances system performance::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows, creating a seamless experience.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity with unwavering strength.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly, optimizing operations.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes that meet rigorous standards.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly and with precision.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence, each component is designed to exceed expectations::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision and unwavering dependability.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency and operational excellence.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability with optimal pressure control.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision and adaptability:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements seamlessly, ensuring efficiency and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision, this component ensures streamlined operations and optimal performance:C - Experience the innovation of no magnetic ball valves; F - Discover the reliable normally open magnetic ball valve, which masterfully allows pump pressurization when energized and ensures unloading when de-energized; D - Embrace the efficiency of normally closed magnetic ball valves, facilitating seamless pump unloading when powered and guaranteeing pressurization when unpowered;D/F - Elevate your operational safety with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This cutting-edge feature guarantees unparalleled safety protocols, significantly enhancing the security and reliability of your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Delve into groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, perfectly catering to a diverse spectrum of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, expertly tailored for HLPSV to ensure impeccable pressure management across a wide range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to engineering brilliance, expertly crafted to fulfill diverse applications, providing you with a product that perfectly aligns with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with exactitude for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options like: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each option meticulously engineered for precise control and functionality.
(14) Operation modes: Experience the flexibility of our varied operation modes: A(1,2) offers manual operation with a choice of long or short handle; E provides electric proportional control for precision; EA(1,2) combines electric proportional control with manual operation for versatility; D utilizes electric switching value control; DA(1,2) merges electric switching value control with manual operation; M offers manual friction positioning with a long handle; H is designed for pure hydraulic control by aligning pilot oil ports with oil ports A and B; F features pure hydraulic control with perpendicular pilot oil ports. Each mode is engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Empower your hydraulic system with our meticulously engineered port size solutions that assure perfect adaptability and seamless integration. Choose from our expertly designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option delivers unparalleled flexibility and is crafted to meet your specific requirements with exceptional efficiency.
(16) End plate options: Explore our exceptional range of precision-engineered end plate innovations. E1 sets the bar high, featuring external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y. E3 introduces a 2-position 3-way magnetic ball valve, raising system pressure to premier safety valve standards when energized, assuring superior performance and reliability.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 reflects E2's excellence, now improved with internal discharge capabilities. E6 mirrors E3's innovative design, providing advanced technology. Each variant ensures superior discharge control, making sure your system operates with peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our range of expertly tailored solutions. G12-12VDC is ideal for applications requiring uncompromised safety and compatibility.G24: The pinnacle of steadfast performance, ensuring unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic selection with these options, crafted for maximum efficiency and adaptability across diverse, demanding environments.12: Precision and reliability embodied, perfectly crafted for seamless integration into your systems.bb621436: The hallmark of excellence, establishing a benchmark in our innovative design.
From the moment we opened our doors in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious part of the renowned China Baoan Group (stock code: 000009), our reputation as a distinguished national high-tech enterprise is built on our unwavering commitment to pioneering research, meticulous development, and the production and sales of superior hydraulic components. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our relentless pursuit of technological advancement and quality excellence, propelling us to the forefront of our industry.
Our Safety Atex Valve stands as the flagship offering, representing the zenith of advanced hydraulic system control. This expertly engineered component is indispensable for critical applications in construction machinery and heavy-duty equipment, making it a key player in emergency rescue tasks, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, which are crucial in localizing key hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing with our attitude, and retaining with quality'-we are steadfast in our dedication to providing exceptional products, services, and solutions. Our mission is to establish ourselves as a globally trusted supplier of premier hydraulic components, consistently raising the bar for excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this pivotal timeframe, we embark on a meticulous journey of preparation, upholding an unwavering commitment to the pinnacle of quality control standards. This ensures that each of our products is delivered to you in flawless condition. Our dedication to exceeding your expectations with our impeccable and timely delivery remains our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an extraordinarily low minimum order quantity, granting you the exceptional advantage of ordering as little as a single piece for sample verification. This unparalleled flexibility empowers you to initiate your projects effortlessly, precisely catering to your exclusive needs with maximum convenience and accuracy.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate your order, kindly convey your specific requirements or intended applications to us. We will meticulously prepare a bespoke quote, tailored exclusively for your needs, based on your detailed inputs or our expert recommendations. Upon finalization of the drawings and receipt of your deposit, we will formally establish the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 perfectly feasible. Please ensure that you formally notify us before production begins and confirm the design in accordance with the sample we provide. This ensures that your branding is represented with exceptional precision and excellence, perfectly embodying your unique identity.
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