Embark on a journey into the future of hydraulics with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are the embodiment of engineering mastery blended with the forefront of hydraulic technology. Our valves uniquely integrate pressure, flow, and directional control into one seamless, cohesive unit, providing extraordinary performance and steadfast reliability in every application. Crafted with unparalleled precision, these valves feature three key functional modules: connecting blocks, directional valves, and end plates. Each module is meticulously designed to integrate flawlessly into elite hydraulic systems, imperative for high-caliber engineering machinery. Our valves meticulously control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include an elegant, compact design, exceptional energy efficiency, and the capability for stepless speed modulation. Moreover, they empower multiple actuators to function simultaneously under diverse load conditions, offering unmatched performance and versatility across a wide range of applications.
Designed with expertise, the HLPSL valves are perfectly suited for systems with constant displacement pumps, ensuring robust and dependable operations under any circumstances. Meanwhile, the HLPSV valves are intricately engineered for variable pump systems. Although they may exhibit a slightly slower response, HLPSV valves excel in energy-saving performance, making them the prime choice when efficiency takes precedence. These valves, born from state-of-the-art engineering and eco-friendly design principles, stand as the ultimate solution for advanced hydraulic control demands. They merge flawless precision, reliability, and energy efficiency into one comprehensive package, catering to the most discerning needs with excellence.
| 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 robust powerhouse delivers unwavering, consistent performance, ensuring your entire system operates seamlessly and effectively.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump provides unmatched flexibility to meet diverse operational needs with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, creating a lasting operational framework::
2-G3/8; Designed for compact efficiency, ensuring smooth, unhindered operational flows.
3-G1/2; Built for robust performance and dependability, providing a strong foundation for your system's integrity.;
4-G3/4; With cutting-edge connectivity, it offers superior control, enhancing system integration seamlessly.;
5, 55-G1; Ideal for high-demand applications, this component delivers consistent and reliable outcomes with outstanding flow rates.;
6-G1 1/4; Expertly crafted to excel in challenging environments, offering unmatched performance and easily overcoming obstacles.;
(3) Additional Components and Specifications - Enhancing system capabilities to new heights of excellence::
C,Standard Type - A paragon of reliability, meticulously engineered to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions to precisely meet diverse application requirements:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions that align seamlessly with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with unparalleled precision:C - Enjoy the benefits of our No Magnetic Ball Valve for seamless operation; F - Experience the innovative Normally Open Magnetic Ball Valve, which empowers pump pressurization when powered and expertly unloads when unpowered; D - Opt for the Normally Closed Magnetic Ball Valve, designed to facilitate pump unloading when powered and enhance pressurization when unpowered.D/F - Elevate your safety standards with our meticulously crafted pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature ensures superior safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, perfectly accommodating a wide spectrum of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, precisely tailored for HLPSV, guaranteeing 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 is an engineering masterpiece, meticulously crafted to cater to diverse applications, providing you with a product that seamlessly aligns with your unique 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 expertly engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for precision integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a versatile array of options: 1, without inflow controller; 2, the standard inflow controller; 4, the advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, the enhanced inflow controller; 8, pre-selectable options, each offering precision and superior efficiency.
(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 meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with exceptional output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, strategically designed for outstanding performance and 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 system safety without compromise.
(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 expertly engineered for precision control and functionality.
(14) Operation modes: Explore a versatile selection of operation modes, each meticulously crafted for ultimate precision and control. Choose from: A(1,2) - manual operation with a choice of a long or short handle; E - sophisticated electric proportional control; EA(1,2) - a seamless blend of electric proportional control and manual operation; D - electric switching value control; DA(1,2) - an innovative combination of electric switching control and manual operation; M - manual friction positioning with a long handle; H - pure hydraulic control aligning pilot oil ports with oil ports A and B; F - pure hydraulic control with perpendicular pilot oil ports. Each mode ensures comprehensive and precise control for your hydraulic systems.
(15) Ancillary block port sizes: Discover unparalleled flexibility with our expertly crafted port size solutions, designed for perfect adaptability and integration. Choose from our meticulously engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice is tailored to deliver exceptional efficiency, ensuring your system's seamless operation and superior adaptability to your specific needs.
(16) End plate options: Experience a transformative suite of end plate innovations, each precisely designed to elevate functionality. E1 offers external pilot oil discharge and an external oil return control port T. E2 enhances functionality with an additional port Y. E3 introduces breakthrough innovation with a 2-position 3-way magnetic ball valve, raising your system's pressure to premier safety valve standards when energized, offering unmatched reliability and performance.
E4 stands out with its internal pilot oil discharge and a sealed port T, akin to E1. E5 mirrors E2 with enhanced internal discharge capabilities. E6 embodies E3's cutting-edge design, ensuring superior discharge control. Each variant is crafted for peak system efficiency and optimal performance, guaranteeing your system operates with advanced technological sophistication.
(17) Control voltage and anti-explosion cable options: Elevate your system's safety and dependability with our array of tailored voltage solutions. Choose G12-12VDC for specialized applications needing uncompromised safety and compatibility.G24: The pinnacle of robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, each engineered for maximum efficiency and adaptability across diverse and challenging environments.12: Perfectly engineered for precision and reliability, ensuring seamless integration into your systems.bb621436: Our gold standard code, exemplifying unmatched excellence in pioneering design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has redefined the hydraulic industry with groundbreaking innovations 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 flagship product, the enhanced Safety Atex Valve, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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}