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 are a testament to the pinnacle of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive masterpiece, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with precision, they comprise three integral functional modules - connecting blocks, directional valves, and end plates - meticulously designed for integration into top-tier hydraulic systems, indispensable for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Standout features include a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across diverse 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 are distinguished by their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. Combining state-of-the-art engineering and eco-conscious design, these valves emerge as the ultimate solution for sophisticated hydraulic control needs, merging 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 - A steadfast powerhouse that ensures unwavering, consistent performance, delivering smooth and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, this pump caters to a vast range of operational needs with amazing ease and precision.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to create a robust operational foundation::
2-G3/8; Crafted for compact efficiency, it enables smooth, uninterrupted operational flow.
3-G1/2; Built for robust dependability, providing a solid base that upholds system integrity.;
4-G3/4; With cutting-edge connectivity, it ensures superior control, enhancing system integration with ease.;
5, 55-G1; With exceptional flow rates, it's perfect for high-demand tasks, delivering reliable, consistent results.;
6-G1 1/4; Engineered for unmatched performance, this component excels in challenging environments, seamlessly tackling obstacles.;
(3) Additional Components and Specifications - Pushing system capabilities to unparalleled levels of excellence::
C,Standard Type - A pillar of reliability, expertly designed to meet essential operational demands 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, ensuring unrivaled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering precise pressure control solutions tailored to diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions perfectly attuned to your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing system efficiency and control with unmatched precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, ensuring efficient pump pressurization when powered and seamless unloading when unpowered; D - Normally closed magnetic ball valve, facilitating smooth pump unloading when powered and reliable pressurization when unpowered;D/F - Elevate your safety standards with our cutting-edge, precision-engineered pressure limiting valve meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees unparalleled safety protocols, significantly enhancing operational security and reliability, ensuring your peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unprecedented versatility and precision with customizable pressure settings ranging from 63 to an impressive 400 bar. This component exemplifies ultimate adaptability, fully accommodating a diverse range of hydraulic needs. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of demanding applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a remarkable engineering marvel, expertly crafted to meet a comprehensive range of applications, providing you with a product that aligns seamlessly with your precise needs for unmatched 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 expertly designed 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: Choose 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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision, exceptional efficiency, and optimal performance.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with utmost precision 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 efficiency.
(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 precisely measured in bar, ensuring uncompromised system safety and integrity.
(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 and reliable control and functionality.
(14) Operation modes: Unleash the versatility of our advanced operation modes! Choose from a splendid selection: A(1,2) for manual operation with either an elegant long or short handle; E, offering sophisticated electric proportional control; EA(1,2), a brilliant combination of electric proportional control coupled with manual operation; D, featuring precise electric switching value control; DA(1,2), seamlessly merging electric switching value control with manual operation; M, designed for manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; and F, pure hydraulic control with strategically perpendicular pilot oil ports. Every mode is meticulously crafted for the utmost precision and comprehensive control.
(15) Ancillary block port sizes: Elevate your systems with our meticulously engineered port size solutions, crafted to ensure flawless adaptability and seamless integration. Choose from our expertly designed selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is designed to provide unmatched flexibility and is precisely tailored to meet your specific requirements with exceptional efficiency and reliability.
(16) End plate options: Immerse yourself in our remarkable collection of precisely tailored end plate innovations. E1 establishes the benchmark, featuring external pilot oil discharge and an external oil return control port T. Enhance your experience with E2, offering an additional port Y to amplify functionality. Discover the groundbreaking innovation of E3, which integrates a 2-position 3-way magnetic ball valve. This elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unparalleled reliability.
E4, akin to E1, is distinguished 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, echoing E3's visionary design. Each variant assures supreme discharge control, ensuring your system operates with peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive array of expertly crafted solutions. Opt for G12-12VDC, ideal for specialized applications demanding uncompromising safety and compatibility.G24: The pinnacle choice for robust performance and unwavering dependability in any scenario.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Maximize your strategic decision-making with these options, engineered for peak performance and adaptability in diverse challenging environments.12: Embodying precision and reliability, expertly tailored for flawless integration into your advanced systems.bb621436: The code of excellence, setting an unparalleled benchmark in our pioneering design achievements.
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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