Embark on a journey to the forefront of hydraulic innovation with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components redefine excellence, merging engineering mastery with pioneering hydraulic advancements. Each valve ingeniously consolidates pressure, flow, and directional control into a singular, integrated unit, ensuring not just performance, but also steadfast reliability across all applications. Meticulously constructed, they encompass three essential functional modules - connecting blocks, directional valves, and end plates - all tailored for seamless integration into elite hydraulic systems indispensable to top-tier engineering machinery. These valves excel in regulating the movement direction and speed of hydraulic cylinders, motors, and other actuators with unmatched precision. Key features include a sleek, space-saving design, extraordinary energy efficiency, and the capability for seamless speed modulation. Furthermore, they support the concurrent operation of multiple actuators under varying loads, delivering unmatched versatility and superior performance across a wide range of applications.
The HLPSL valves are precisely engineered for constant displacement pump systems, guaranteeing robust, dependable operations in any environment. Conversely, the HLPSV valves are meticulously designed for variable pump systems. Although they might exhibit a slightly more gradual response, HLPSV valves distinguish themselves with exceptional energy-saving attributes, rendering them the optimal choice when efficiency is of utmost importance. These valves, showcasing advanced engineering and a commitment to eco-conscious design, stand as the definitive solution for complex hydraulic control requirements, seamlessly uniting impeccable accuracy, reliability, and energy efficiency into one comprehensive 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. Dependable and steadfast, it stands as the cornerstone of reliability.;
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. Its dynamic nature ensures it caters brilliantly to various needs.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework, ensuring seamless integration and robust performance::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows, embodying the essence of precision performance.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity, even in demanding situations.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly, optimizing performance through every connection.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes, even under the most challenging conditions.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly and exceeding expectations.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence, each component synergistically enhances overall system performance::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision, ensuring smooth and efficient functionality.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency. Its precise modulation ensures optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, while maintaining seamless operation.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision, ensuring adaptability to any operational requirement: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision, ensuring optimal unloading and seamless system operation:C - The innovative no magnetic ball valve is crafted for unparalleled performance; F - The normally open magnetic ball valve is a marvel of engineering, allowing pump pressurization when energized and seamless unloading when de-energized; D - The normally closed magnetic ball valve ensures effortless pump unloading when powered and precise pressurization when unpowered;D/F - Elevate your operational safety with our precision-crafted pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge component offers advanced safety protocols, significantly bolstering operational security and reliability, ensuring peace of mind in every application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Engage in a new era of versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, perfectly accommodating a vast array of hydraulic needs. For seamless configurations, /NF signifies no pressure limiting valve, expertly tailored for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering triumph, masterfully designed to cater to varied applications, offering a product that aligns perfectly with your precise requirements.
(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, meticulously engineered for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Select from a sophisticated array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering epitome precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, masterfully engineered to provide superior performance and unparalleled reliability.
(12) Secondary pressure limitation options: Choose with confidence from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised safety and system integrity.
(13) Function ON/OFF and pressure outlet options: Tailor your system with precision options: 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 crafted for precise control and functionality.
(14) Operation modes: Experience the pinnacle of operational flexibility with our wide spectrum of modes designed to cater to every precision need. Choose from A(1,2) for manual finesse, available with either a long or short handle. Opt for E to harness the power of electric proportional control, or EA(1,2) to seamlessly merge this with manual oversight. D brings electric switching value control to the forefront, and DA(1,2) marries this innovation with manual operation. M offers manual friction positioning, accentuated with a long handle for enhanced control. H delivers pure hydraulic command by aligning pilot oil ports with A and B oil ports. Lastly, F presents pure hydraulic control with perpendicular alignment for meticulous regulation. Each mode is a testament to our commitment to delivering superior and precise control.
(15) Ancillary block port sizes: Elevate your systems with our meticulously crafted port size solutions, designed for flawless integration and adaptability. Explore our expert options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each variant offers unrivaled adaptability, tailored to meet your exact specifications with remarkable efficiency. Our solutions empower your systems, ensuring they are equipped for any demand.
(16) End plate options: Immerse yourself in our remarkable collection of end plate designs, each precisely engineered for optimal performance. E1 sets a new standard with external pilot oil discharge and an external oil return control port T. Enhance your system with E2, featuring an additional Y port for amplified functionality. Discover the pioneering E3, which incorporates a 2-position 3-way magnetic ball valve. This innovation elevates your system's pressure to elite safety valve standards when energized, offering unparalleled performance and reliability.
E4 offers distinctive capabilities with internal pilot oil discharge and a sealed port T, resembling E1's excellence. E5 enhances E2's features by integrating internal discharge, while E6 reflects E3's progressive design. Each end plate variant guarantees superior discharge control, ensuring your system achieves optimum efficiency and peak performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's integrity and safety with our comprehensive range of precision-engineered solutions. Select G12-12VDC, perfectly crafted for specialized applications that require absolute safety and compatibility. Our options provide robust dependability, ensuring your operations run smoothly and securely.G24: The ideal selection for unwavering performance and consistent reliability, engineered to meet the demands of even the most rigorous environments.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your selection with these strategic options, each meticulously crafted for peak efficiency and adaptability across challenging conditions. Experience unparalleled performance with our state-of-the-art solutions, engineered to excel in diverse environments.12: Representing precision and trustworthiness, meticulously designed for seamless integration into your systems. Our expertly tailored solutions ensure flawless operation and reliability.bb621436: The embodiment of excellence, this code serves as a benchmark for our cutting-edge design and commitment to innovation.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Introducing our enhanced Safety Atex Valve, a flagship representation of cutting-edge hydraulic system control. This expertly engineered marvel is tailored for construction machinery and heavy-duty equipment, serving as a crucial component in high-stakes applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in cultivating strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 unwavering in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted provider of premier hydraulic components, setting new benchmarks of excellence across the world.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize 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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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