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 remarkable components are not just ordinary parts; they represent the pinnacle of engineering brilliance and avant-garde hydraulic innovation. By harmoniously integrating pressure, flow, and directional control into a unified, coherent unit, our valves deliver unparalleled performance and steadfast reliability in every application. Crafted with utmost precision, they consist of three essential functional modules - connecting blocks, directional valves, and end plates - meticulously designed for integration into elite hydraulic systems, vital for top-of-the-line engineering machinery. These valves precisely manage the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Notable features include an elegant, compact design, exceptional energy efficiency, and the ability for seamless speed modulation. Furthermore, they empower multiple actuators to operate in unison under varying loads, delivering extraordinary performance and flexibility across a wide range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a slightly slower response, HLPSV valves shine with their remarkable energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, with state-of-the-art engineering and an eco-conscious design, emerge as the ultimate solution for advanced hydraulic control needs, combining impeccable precision, reliability, and energy efficiency in 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 with unmatched precision and endurance.;
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, effortlessly adjusting to your unique system requirements.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework, promising enhanced system efficiency and robust performance::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth, unhindered operational flows, facilitating seamless integration into your hydraulic system.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation that upholds your system's integrity through rigorous applications.;
4-G3/4; With state-of-the-art connectivity, it offers superior control, enhancing system integration seamlessly and bolstering operational excellence.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent outcomes that ensure reliability and performance excellence.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles with ease and delivering exceptional results.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence, fostering innovative solutions that drive performance beyond limits::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision, ensuring your system's continuous excellence.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency, optimizing flow dynamics to perfection.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, ensuring sustained operational excellence.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision, adaptability, and exceptional performance: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, ensuring optimal pressure management.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision, designed to streamline operations and improve system responsiveness:C - No magnetic ball valve; F - The normally open magnetic ball valve is your ally in optimizing pump operations, effortlessly enabling pressurization when powered and seamlessly unloading when unpowered; D - The normally closed magnetic ball valve is a master of precision, facilitating prompt pump unloading when powered and ensuring pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, crafted specifically for secondary pressure (F50). This state-of-the-art feature is your guarantee for advanced safety protocols, significantly enhancing operational security and reliability, ensuring peace of mind in every operation.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is a testament to adaptability, accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, guaranteeing impeccable pressure management across a vast array 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, meticulously crafted to fulfill a wide spectrum of applications, providing you with a product that aligns seamlessly with your precise operational 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 precision for flawless integration and seamless operation.
(9)Directional valve block inflow controller options: Choose from a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, an 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 for superior hydraulic performance.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with utmost precision.
(11) Output flow code for ports A & B: Maximize your efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each option is expertly designed to deliver superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Select 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 enhanced operational integrity.
(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 unparalleled functionality.
(14) Operation modes: Immerse yourself in a world of innovation with our diverse array of operation modes: A(1,2), featuring manual operation with a choice of long or short handle for your convenience; E, showcasing precise electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation for maximum flexibility; D, offering electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, providing manual friction positioning with a long handle for enhanced ease; H, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, ensuring pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to provide comprehensive and precise control, meeting the highest standards of excellence.
(15) Ancillary block port sizes: Amplify your system's capabilities with our exquisitely engineered port size solutions, designed for perfect adaptability and seamless integration. Select from our expertly crafted array: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option embodies unmatched flexibility, meticulously tailored to meet your precise needs with exceptional efficiency, ensuring your system's peak performance.
(16) End plate options: Explore our extraordinary suite of precisely tailored end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Elevate your efficiency with E2, offering an additional port Y for expanded functionality. Embrace the cutting-edge innovation of E3, which integrates a 2-position 3-way magnetic ball valve, elevating your system's pressure to premier safety valve levels when energized, ensuring superior performance and unrivaled reliability.
E4, akin to E1, stands out with an internal pilot oil discharge and a sealed port T. E5 reflects the excellence of E2, now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, which mirrors E3's forward-thinking design. Each variant guarantees optimal discharge control, ensuring your system operates with peak efficiency and exceptional performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: The pinnacle of unwavering dependability and steadfast performance, ensuring your system's reliability in any situation.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choices with these options, engineered for peak efficiency and adaptability across diverse and challenging environments.12: Exemplifying precision and reliability, expertly designed for seamless integration into your systems.bb621436: The code that exemplifies excellence, setting a benchmark in our groundbreaking design, ensuring unparalleled quality and 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.
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.
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