Step into a new era of hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are the pinnacle of engineering ingenuity and state-of-the-art hydraulic innovation. Masterfully engineered to integrate pressure, flow, and directional control into a single, cohesive unit, these valves deliver unmatched performance and steadfast reliability in every application. Crafted with precision, each valve consists of three essential functional modules-connecting blocks, directional valves, and end plates-meticulously designed for seamless integration into premium hydraulic systems, vital for high-caliber engineering machinery. These valves offer precise regulation of movement direction and speed for hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a sleek, compact design, superior energy efficiency, and stepless speed modulation. In addition, they enable multiple actuators to operate simultaneously under varying loads, delivering exceptional performance and versatility across a broad spectrum of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring reliable, steadfast operations in any condition. In contrast, the HLPSV valves are meticulously crafted for variable pump systems; although they may show a slightly slower response, their exceptional energy-saving capabilities make them the ideal choice when efficiency is of the utmost importance. These valves, embodying cutting-edge engineering and eco-friendly design, stand as the ultimate solution for sophisticated hydraulic control demands, merging impeccable 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.;
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.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision: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:C - Experience the seamless operation of our no magnetic ball valve; F - Embrace efficiency with our normally open magnetic ball valve, ensuring pump pressurization when powered and effortless unloading when unpowered; D - Maximize control with our normally closed magnetic ball valve, enabling pump unloading when powered and optimal pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, providing you with peace of mind and exceptional performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating diverse hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, skillfully crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, assuring unparalleled performance and reliability.
(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 precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency tailored to your needs.
(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 fulfill specific functional requirements with exceptional accuracy and reliability.
(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, expertly designed to provide superior performance, reliability, and consistency.
(12) Secondary pressure limitation options: Choose 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 system safety and optimal performance.
(13) Function ON/OFF and pressure outlet options: Customize 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, functionality, and unmatched reliability.
(14) Operation modes: Immerse yourself in a refined selection of operation modes, each meticulously designed for unparalleled control and flexibility in your hydraulic systems. Choose from A(1,2), offering manual operation with either a long or short handle; E, providing sophisticated electric proportional control; EA(1,2), a harmonious blend of electric proportional and manual operation; D, featuring electric switching value control; DA(1,2), an integration of electric switching value control with manual operation; M, manual friction positioning with an extended handle; H, where pure hydraulic control aligns pilot oil ports with ports A and B; and F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is a testament to advanced engineering, ensuring precision and reliability.
(15) Ancillary block port sizes: Experience seamless integration and adaptability with our meticulously engineered ancillary block port sizes. Our exquisite selection includes /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each offering unmatched flexibility. These expertly crafted solutions are tailored to elevate your systems with perfect adaptability, ensuring they meet your specific needs with exceptional efficiency and precision.
(16) End plate options: Discover our cutting-edge suite of precisely crafted end plate options, setting new standards in hydraulic control. E1 offers external pilot oil discharge with 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, elevating system pressure to premier safety valve standards when energized. Each option is designed to provide outstanding performance, unmatched reliability, and superior system safety.
E4 boasts an internal pilot oil discharge with a sealed port T, mirroring E1's precision. E5, akin to E2, is now enhanced with internal discharge features. E6 continues E3's legacy of innovation with forward-thinking design. Each variant ensures superior discharge control, optimizing system efficiency and performance to the highest standards.
(17) Control voltage and anti-explosion cable options: Elevate your system's safety and dependability with our extensive selection of expertly designed voltage and cable solutions. Choose G12-12VDC for specialized applications requiring ultimate safety and compatibility without compromise.G24: Your ultimate solution for robust performance and unwavering dependability, designed to withstand the most demanding environments.-Explore a strategic selection of advanced voltage options: 24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G, each engineered to enhance efficiency and adaptability, ensuring optimal performance across diverse and challenging environments.12: Expertly crafted for precision and reliability, this option is tailored for flawless integration into your system's operations, ensuring consistent performance.bb621436: A symbol of excellence, this code represents the pinnacle of our pioneering design and innovation, setting industry benchmarks across the board.
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.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of 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 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.
){kind=link}