Witness the dawn of a revolutionary era in hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are a testament to engineering excellence and define cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a single, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with precision, they consist of three integral functional modules - connecting blocks, directional valves, and end plates - designed meticulously for integration into top-tier hydraulic systems, essential 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. 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 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. Although they may exhibit a marginally slower response, HLPSV valves stand out for 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 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 robust powerhouse of performance reliability delivers consistent and unwavering output, ensuring your entire system operates seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump provides unmatched flexibility, adeptly handling a diverse range of operational demands with remarkable ease.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets unwavering reliability to create a lasting operational framework::
2-G3/8; Engineered for compact efficiency, it ensures operational flows remain smooth and unobstructed.
3-G1/2; Designed for robust performance and dependability, providing a solid foundation to maintain your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, it offers superior control, seamlessly enhancing system integration.;
5, 55-G1; With exceptional flow rates, it's perfect for high-demand applications, delivering consistent outcomes you can rely on.;
6-G1 1/4; This component excels in challenging environments, offering unmatched performance and effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented levels of excellence::
C,Standard Type - A cornerstone of reliability, meticulously engineered to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Offers precision control, substantially enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions that seamlessly align with your unique operational specifications.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with unmatched precision:C - No magnetic ball valve; F - A revolutionary normally open magnetic ball valve, perfect for enabling pump pressurization when powered and seamless unloading when unpowered; D - Ingenious normally closed magnetic ball valve, facilitating smooth pump unloading when powered and efficient pressurization when unpowered;D/F - Elevate your safety standards with our cutting-edge pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature redefines advanced safety protocols, significantly elevating operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a broad 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, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise 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 premium intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and optimal 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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and extraordinary efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each feature expertly engineered to fulfill specific functional requirements with utmost precision.
(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, meticulously designed to ensure superior performance and ultimate reliability.
(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 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 thoughtfully engineered for precise control and enhanced functionality.
(14) Operation modes: Explore a diverse selection of operation modes designed for ultimate versatility: A(1,2), manual operation with an optional long or short handle; E, showcasing electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, offering manual friction positioning with a long handle; H, presenting pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, featuring pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for comprehensive and precise control, ensuring your system performs at its peak.
(15) Ancillary block port sizes: Optimize your systems with our superbly crafted port size solutions, precisely engineered to ensure perfect adaptability and seamless integration. Choose from our expertly designed collection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unparalleled flexibility and is carefully tailored to meet your exact requirements with exceptional efficiency.
(16) End plate options: Explore our exceptional range of precisely crafted end plate innovations. E1 sets the benchmark with its external pilot oil discharge and external oil return control port T. Enhance functionality with E2, introducing an additional port Y. Discover the cutting-edge E3, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, resembling E1, offers an internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Venture into advanced technology with E6, echoing the innovative design of E3. Each variant ensures superior discharge control, guaranteeing your system operates at peak efficiency and optimal 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 for specialized applications demanding uncompromised safety and compatibility.G24: The quintessential choice for steadfast performance and unyielding dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic choice with these options, designed for peak efficiency and adaptability across various challenging environments.12: Exemplifying precision and reliability, expertly crafted for flawless system integration.bb621436: The code of excellence, establishing a new standard in our groundbreaking 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.
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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