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 beacon of dependability, designed to maintain a harmonious flow across all processes.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored for diverse applications, it adapts with ease to your evolving system needs.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Ensuring peak performance with meticulously crafted details.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. An epitome of space-saving efficiency.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Anchors your system with unwavering strength.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bridges your components with cutting-edge precision.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Powers your system with unmatched flow capacity.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Masters your toughest tasks with grace.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: With every feature meticulously crafted to push boundaries.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Your go-to standard for everyday excellence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Optimizes flow for maximum efficacy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Ensures smooth pressure transitions and system longevity.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored pressure settings designed for your unique needs, ensuring optimal performance and precision.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. Choose the precise pressure solution to suit your system perfectly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: Streamline system operations with cutting-edge unloading technology.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; Revolutionize your system control with intelligent valve solutions.D/F - Experience superior safety with our precision-engineered pressure limiting valve designed specifically for secondary pressure (F50). This cutting-edge feature ensures the highest safety standards, dramatically boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, fully satisfying diverse hydraulic demands. For flawless configurations, /NF indicates no pressure limiting valve, meticulously crafted for HLPSV, ensuring exceptional pressure management across a multitude of applications.
(7) Product Series Classification - The Summit of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering triumph, precisely designed to cater to various applications, providing a product that fits flawlessly with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with exactitude for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, crafted specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to achieve specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with output flow capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted 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 unyielding system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with choices such as: 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 precisely crafted for accurate control and functionality.
(14) Operation modes: Select from a diverse spectrum 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, all thoroughly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our meticulously crafted options, each engineered for seamless adaptability and perfect integration into your systems. Elevate your hydraulic solutions with our flexible port sizes: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option epitomizes versatility, ensuring they meet and exceed your specific requirements.
(16) End plate options: Unveil our exceptional range of meticulously tailored end plate solutions, designed to cater to your every need. E1 offers the standard option, featuring an external discharge of pilot oil and an external oil return control port T. E2 builds on E1's foundation, enhanced with an additional port Y for greater versatility. Discover the cutting-edge E3, which includes a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when activated, thus guaranteeing superior performance.
E4, designed in the vein of E1, distinguishes itself by incorporating an internal discharge of pilot oil with a sealed port T. E5 mirrors E2's capabilities but with an internal discharge feature for enhanced efficiency. Experience the sophistication of E6, an advanced iteration of E3, each variant skillfully crafted to promise enhanced discharge control, optimizing your system's performance to new heights.
(17) Control voltage and anti-explosion cable options: Fortify your hydraulic systems with our range of tailored control voltage and anti-explosion cable options, designed for ultimate safety and reliability. Choose G12-12VDC, ideally suited for specialized applications requiring uncompromising safety and seamless compatibility.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Founded with a vision in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unmatched brilliance in the hydraulic sector. As a revered subsidiary of the prestigious China Baoan Group (stock code: 000009), we have earned our status as a national high-tech enterprise, known for our cutting-edge research, innovative development, meticulous manufacturing, and strategic sales of elite hydraulic components. Recognized as a 'specialized, refined, and innovative' national small giant enterprise, we are steadfast in our pursuit of technological prowess and unparalleled quality. This unwavering dedication has cemented our leadership position in the industry.
Our specially engineered Safety Atex Valve stands as the flagship of advanced hydraulic system control, epitomizing the zenith of engineering excellence. Designed for high-demand environments such as construction machinery and heavy equipment, this essential component proves indispensable in critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our strategic alliances with leading domestic manufacturers underscore our commitment to localizing high-end hydraulic components. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-propels us to provide extraordinary products, services, and solutions. Our ambition is to become a globally trusted supplier of superior hydraulic components, consistently setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans an impressive one month following receipt of payment. Throughout this period, our team engages in precise preparations and adheres to stringent quality control measures, ensuring that every product you receive is in pristine condition. Our ultimate goal is to deliver unmatched satisfaction through perfect execution.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer unparalleled flexibility with a remarkably low minimum order quantity, allowing you to order as little as a single piece for sample verification. This seamless convenience ensures you can commence your projects with maximum ease and precision, perfectly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by sharing your detailed requirements or intended applications with us. We will craft a custom quote tailored specifically for you, either based on your unique needs or using our expert guidance. Once drawings are finalized and a deposit is made, we will formalize the order and kick-start production, ensuring every specification is met with precision for a seamless, bespoke solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed with excellence for a tailored, flawless solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely! This is entirely feasible. Please ensure that you inform us before production begins and confirm the design with the sample we provide. This ensures your branding is represented with unparalleled precision and excellence, perfectly embodying your unique identity.
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