Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they represent a masterful synergy of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability across every application. Crafted with precision, these valves consist of three integral functional modules - connecting blocks, directional valves, and end plates - meticulously designed for integration into premier hydraulic systems, indispensable for top-tier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Notable features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across a multitude of diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. On the other hand, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves distinguish themselves with their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. These valves, with state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining 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 - Your Key to Mastering Hydraulic Connectivity
HLPSL: Constant Displacement Pump - This resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system. Crafted for durability and precision, HLPSL stands as a cornerstone of superior hydraulic engineering.;
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. Experience the dynamics of advanced hydraulic technology with HLPSV.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework, designed to boost system integrity and efficiency::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows. This specification stands out for its ability to seamlessly integrate into complex systems while maintaining peak performance.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity. It excels in delivering consistent results, even under demanding conditions.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly. This specification is designed to elevate operational functionality and reliability.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes. This component is engineered to support substantial hydraulic requirements with ease.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly. It stands as a testament to cutting-edge hydraulic solutions.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence, ensuring you achieve unparalleled performance::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision. This component guarantees steadfast performance across various applications.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency. Integrating this valve means embracing top-tier hydraulic innovation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. It is the epitome of pressure regulation excellence.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision, ensuring that your systems operate flawlessly: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. These options deliver adaptability, allowing you to fine-tune your system's performance with surgical accuracy.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision, this component is designed to streamline operations and maximize output. Experience the ultimate in hydraulic optimization with this advanced technology:C - No magnetic ball valve; F - Normally open magnetic ball valve, ingeniously designed to enable pump pressurization when powered and unloading when unpowered; D - Normally closed magnetic ball valve, crafted to facilitate pump unloading when powered and pressurization when unpowered, ensuring optimal hydraulic performance.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, offering you peace of mind in every application.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings that span from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF signifies 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 stands as an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs, ensuring elevated 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 perfect 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 for your tailored hydraulic solutions.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements, ensuring optimal performance for every application.
(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 and reliability, empowering your hydraulic systems.
(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 superior functionality.
(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 and enhanced functionality.
(14) Operation modes: Indulge in a diverse selection of operation modes crafted for exceptional performance and adaptability: A(1,2), manual operation complemented by optional long or short handles; E, sophisticated electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, dynamic electric switching value control; DA(1,2), a strategic combination of electric switching value control with manual operation; M, manual friction positioning featuring a long handle; H, exclusive hydraulic control aligning pilot oil ports with oil ports A and B; F, distinct hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for unparalleled precision and comprehensive control.
(15) Ancillary block port sizes: Elevate your systems with our meticulously engineered port size solutions, designed for flawless adaptability and seamless system integration. Opt from our expertly designed selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides outstanding flexibility and is thoughtfully tailored to meet your specific requirements with remarkable efficiency and precision.
(16) End plate options: Immerse yourself in our remarkable collection of precision-engineered end plate solutions. E1 sets the benchmark, featuring external pilot oil discharge and an external oil return control port T. Amplify your system's capabilities with E2, which incorporates an additional port Y for enhanced operational functionality. Discover the groundbreaking innovation within E3, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to superior safety valve standards when active, ensuring peak performance and unrivaled reliability.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now improved with internal discharge capabilities. Embrace advanced technology with E6, reflecting E3's progressive design. Each variant promises superior discharge control, guaranteeing your system functions at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our expansive range of precisely engineered solutions. Select G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: The pinnacle of enduring performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic choice with these options, crafted for peak efficiency and adaptability in a variety of demanding environments.12: Exemplifying precision and reliability, meticulously tailored for seamless integration into your systems.bb621436: The embodiment of excellence, setting a new standard in our innovative design.
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.
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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.
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