Behold the dawn of a new era in hydraulic solutions with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are a symphony of engineering brilliance, the apex of innovative hydraulic technology. Seamlessly integrating pressure, flow, and directional control into a singular, harmonious entity, these valves ensure unparalleled performance and reliability in every endeavor. Comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for incorporation into elite hydraulic systems, which are indispensable for premier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include a sleek, compact design, outstanding energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, offering unmatched performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Meanwhile, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may display a slightly slower response time, their exceptional energy-saving performance sets them apart, making them the ultimate selection when efficiency is of utmost importance. With state-of-the-art engineering and energy-efficient design, HLPSV valves rise to the top as the premier solution for advanced hydraulic control needs, offering a flawless combination of precision, reliability, and energy efficiency.
| 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 steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - The normally open magnetic ball valve is engineered to activate pump pressurization upon power supply, while it shifts to unloading mode when power is cut off; D - The normally closed magnetic ball valve is designed to initiate pump unloading when powered, and transition to pressurization in the absence of power;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, tailored for secondary pressure (F50). This cutting-edge feature guarantees avant-garde safety protocols, significantly enhancing 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 embodies adaptability, seamlessly accommodating a wide spectrum of hydraulic needs. For seamless configurations, /NF denotes no pressure limiting valve, meticulously optimized for HLPSV, ensuring impeccable 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, expertly crafted to meet varied applications, providing you with a product that fits seamlessly with your exact specifications.
(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 seamless integration and optimal functionality.
(9)Directional valve block inflow controller options: Explore a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements with precision.
(11) Output flow code for ports A & B: Amplify efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver superior performance and 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: 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 crafted for precise control and enhanced functionality.
(14) Operation modes: Delve into an extensive range of operation modes engineered for precision and adaptability. Select from A(1,2) for manual operation with your choice of long or short handle. Experience E, where electric proportional control reigns supreme, or embrace EA(1,2), a seamless integration of electric control and manual finesse. Choose D for electric switching value control or DA(1,2) for the blended brilliance of electric and manual operation. Master M mode with manual friction positioning via the long handle. Revel in H, offering pure hydraulic control by aligning pilot oil ports with ports A and B. Opt for F, delivering pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously crafted to ensure comprehensive and precise control, tailored to your every requirement.
(15) Ancillary block port sizes: Experience the epitome of precision with our expertly crafted port size options, designed for flawless adaptability and seamless integration. Select from our precisely engineered choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option represents flexibility at its finest, meticulously tailored to meet your exacting requirements with unmatched efficiency and performance.
(16) End plate options: Immerse yourself in our exceptional range of meticulously designed end plate solutions. E1 sets the standard, featuring an external discharge of pilot oil and an external oil return control port T. Elevate your system with E2, offering an additional port Y for enhanced capabilities. Discover E3's cutting-edge innovation, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to safety valve levels when powered. This ensures unparalleled performance, safety, and reliability.
E4, mirroring E1, offers sophistication with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's excellence, now with internal discharge capabilities. Embrace E6, echoing E3's advanced design with assurance. Each variant promises superior discharge control, guaranteeing your system operates with peak efficiency, safety, and performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our expansive array of tailored solutions. Choose G12-12VDC, perfect for applications demanding absolute safety and uncompromised compatibility.G24: Your ultimate choice for steadfast performance and consistent reliability, ensuring your operations remain uninterrupted and efficient.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Amplify your strategic selections with these robust options, specifically designed for maximum efficiency and adaptability across diverse, demanding environments.12: A paragon of precision and reliability, crafted for flawless integration into your systems, ensuring optimum performance.bb621436: This is the code of excellence-an emblem of our benchmark in innovative design, representing our commitment to pioneering excellence.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. Proudly operating as a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of distinction. Our specialization encompasses the meticulous research, forward-thinking development, precision manufacturing, and strategic sales of top-tier hydraulic components. As a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of technological advancement and unmatched quality. This relentless dedication catapults us to the forefront of our industry, setting unparalleled standards in our field.
Our enhanced Safety Atex Valve is the crowning jewel of advanced hydraulic system control, representing the pinnacle of engineering excellence. Expertly crafted for the demands of construction machinery and heavy-duty equipment, this multifaceted component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with a multitude of leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Guided by our unwavering core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfastly committed to delivering exceptional products, superior services, and innovative solutions. Our mission is to elevate our stature as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the international stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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