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 not just mere parts; they symbolize a masterful fusion of engineering brilliance and cutting-edge hydraulic advancements. Through the seamless integration of pressure, flow, and directional control into a single, cohesive unit, our valves offer unparalleled performance and unwavering reliability in every application. Crafted with precision, they are composed of three integral functional modules - connecting blocks, directional valves, and end plates - each meticulously designed for integration into top-tier hydraulic systems, crucial for premier engineering machinery. These valves regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators with unparalleled precision and control. Noteworthy features include a sleek, compact design, superior energy efficiency, and the capability for stepless speed modulation. Additionally, they enable multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario. Meanwhile, the HLPSV valves are meticulously crafted for variable pump systems. Although they may exhibit a marginally slower response, HLPSV valves are distinguished by their exceptional energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, with their 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 flawless 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 robust and reliable powerhouse, this pump ensures a stable and consistent output, underpinning your system's operations with remarkable dependability.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, this pump caters to diverse operational needs with exceptional flexibility, meeting demands with ease and precision.;
(2) Connection Block Ports P & R Specifications - Precision-engineered for reliability, these ports form the backbone of your system's infrastructure::
2-G3/8; Engineered for compact efficiency, these ports ensure fluid and uninterrupted operational flows, enhancing system performance.
3-G1/2; Crafted for robust performance, these ports provide a strong foundation for maintaining the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, these ports offer exceptional control and seamless system integration.;
5, 55-G1; With outstanding flow rates, these ports are perfect for high-demand applications, delivering consistent and reliable performance.;
6-G1 1/4; This component excels in challenging environments, providing unmatched performance and overcoming obstacles with ease.;
(3) Additional Components and Specifications - Enhancing system capabilities to reach unprecedented levels of excellence::
C,Standard Type - A cornerstone of reliability, meticulously designed to meet essential needs with precision and confidence.;
G,Throttle Valve (For HLPSL only) - Provides precise control, significantly boosting the system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives unparalleled performance and reliability through superior flow management.;
(4) Pilot Oil Circuit Pressure Options - Tailored solutions providing precise pressure control to suit diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhances system efficiency and control with unparalleled precision:Discover the diversity in magnetic ball valves: C - No magnetic ball valve; F - This normally open magnetic ball valve is engineered to enable pump pressurization when powered and seamlessly unloads when unpowered; D - Experience the efficiency of the normally closed magnetic ball valve, facilitating smooth pump unloading when powered and ensuring pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve specifically designed for secondary pressure (F50). This cutting-edge feature guarantees the highest levels of advanced safety protocols, significantly enhancing operational security and reliability for peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into a world of groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, perfectly 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 and exceeds expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly crafted 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: 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 precise engineering and exceptional efficiency.
(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 unparalleled precision.
(11) Output flow code for ports A & B: Maximize efficiency with our peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and unwavering 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 to ensure uncompromised system safety and peace of mind.
(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 unmatched functionality.
(14) Operation modes: Discover a world of versatility with our extensive selection of operation modes: A(1,2) offers manual operation with the choice of an optional long or short handle; E brings advanced electric proportional control; EA(1,2) merges electric proportional control with manual operation, offering a harmonious blend of automation and manual oversight; D provides electric switching value control; DA(1,2) combines this with manual operation for a dual-layered approach; M features manual friction positioning with a long handle for precise adjustments; H presents pure hydraulic control with pilot oil ports aligning seamlessly with oil ports A and B; F offers pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted for comprehensive and precise control, ensuring peak performance tailored to your needs.
(15) Ancillary block port sizes: Empower your systems with our impeccably engineered port size solutions, designed for perfect adaptability and seamless integration. Our expertly curated selection includes options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers unmatched flexibility, meticulously tailored to fulfill your precise requirements with exceptional efficiency and reliability.
(16) End plate options: Experience our remarkable suite of precisely tailored end plate innovations. E1 sets the standard with external pilot oil discharge and an external oil return control port T. E2 elevates functionality with an additional port Y. Experience breakthrough innovation with E3, integrating a 2-position 3-way magnetic ball valve that ensures your system's pressure reaches premier safety valve levels when energized, guaranteeing superior performance and unparalleled reliability.
E4 mirrors E1 in distinction with internal pilot oil discharge and a sealed port T. E5 reflects the excellence of E2, now with internal discharge capabilities. Embrace advanced technology with E6, echoing E3's innovative design. Each variant ensures superior discharge control, optimizing your system for peak efficiency and exceptional performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our wide array of expertly designed solutions. Choose G12-12VDC for specialized applications demanding uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability, ensuring your systems operate seamlessly under all conditions.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these thoroughly engineered options, built for peak efficiency and adaptability across diverse and challenging environments.12: Representing precision and reliability, this option is expertly tailored for flawless integration into your systems, meeting the highest standards of performance.bb621436: The epitome of excellence, this code embodies our pioneering design, setting a benchmark in industry standards.
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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