Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend of precision, reliability, and 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system. A pivotal component that guarantees unwavering functionality and seamless integration into your hydraulic framework.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. It offers unparalleled customization, ensuring your system is primed for efficiency and effective response to fluctuating demands.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Experience unparalleled accuracy and confidence with these meticulously engineered specifications.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Its design ensures optimal space utilization and efficiency.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. A cornerstone in maintaining your system's resilience and stability.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Perfect for integrating complex systems with ease and precision.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Tailored for environments requiring maximum efficiency and throughput.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. A powerhouse in performance, crafted for the most challenging tasks.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Enhance and expand your system's functionalities with these advanced components.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. It provides a robust base for any hydraulic system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Precisely engineer your system's responsiveness and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. A strategic component for superior circulation control and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailor your pressure settings to perfectly align with your specific operational needs and challenges.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands. Customize your pressure to enhance efficiency and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: Optimize your system's unloading processes with these precision-engineered valves.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered; Ensure your system is always operating at peak efficiency, with control options to suit every operational need.D/F - Introducing our cutting-edge precision-engineered pressure limiting valve for secondary pressure (F50), designed with a meticulously defined pressure value. This engineering marvel is crafted to amplify advanced safety measures, elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, effortlessly meeting every hydraulic requirement. With the /NF configuration, explore systems devoid of a pressure limiting valve, meticulously tailored for HLPSV, offering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly conceived to cater to every application, ensuring a product perfectly synchronized with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporates ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration and exceptional performance.
(9)Directional valve block inflow controller options: Select from a unique suite of options: 1, without inflow controller; 2, standard inflow controller; 4, an 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 offering precision and exceptional efficiency.
(10) Valve core function symbols: Unlock an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requisites.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety and performance 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 engineered for precise control and enhanced functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our precision-engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is masterfully crafted to ensure seamless adaptability and flawless integration within a variety of system applications.
(16) End plate options: Unlock the potential of our meticulously crafted end plate solutions: Choose E1 for your standard option, offering external pilot oil discharge and external oil return control port T. E2 builds upon E1 with an additional port Y for enhanced flexibility. E3 introduces a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve thresholds when activated, ensuring optimal performance.
E4, embodying the design of E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T, enhancing system efficiency; E5 mirrors the advanced features of E2, with an internal discharge for superior performance; E6 reflects the intricate design of E3, delivering advanced discharge control across every variant, ensuring reliability and sophistication.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure selection, including G12-12VDC, engineered for safety and specialization in the most demanding applications, ensuring peak performance in all environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unrivaled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we reinforce our unwavering dedication to technological advancement and superior quality. This relentless commitment positions us as true leaders in our domain, consistently delivering cutting-edge solutions.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. This masterfully crafted component is designed for construction machinery and heavy-duty equipment and is invaluable in high-stakes situations such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, which significantly contribute to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting new standards 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 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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