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 essential cornerstone of dependable hydraulic dynamics, ensuring unwavering and smooth functionality across your system's operations.;
HLPSV: Variable Displacement Pump - A pinnacle of flexibility and innovation, offering remarkable adaptability to meet diverse and demanding operational specifications with ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets unparalleled trust, creating a solid platform for seamless operations::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and efficient operational flows.
3-G1/2; Scientifically engineered to deliver robustness and reliability, forming a steadfast foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enriched system integration capabilities.;
5, 55-G1; Equipped with enhanced flow rates, perfect for high-demand applications, ensuring a seamless and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, expertly crafted to excel in rigorous environments and effortlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new levels of excellence::
C,Standard Type - A reliable and trusted base, expertly designed to meet core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure management solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control for optimal performance: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;D/F - Experience the pinnacle of engineering with this state-of-the-art precision-engineered pressure limiting valve, specially crafted for secondary pressure (F50). Featuring a specifically defined pressure value, it is nothing short of an engineering marvel. Designed to elevate advanced safety measures, this valve optimizes operational security and reliability to unparalleled levels, ensuring peace of mind with every use.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the ultimate in versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents the epitome of adaptability, effortlessly meeting every hydraulic requirement. Featuring the /NF configuration, this system offers options without a pressure limiting valve, meticulously engineered for HLPSV applications, delivering unmatched pressure control across a broad spectrum of uses.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterstroke in design, meticulously crafted to fit any application, ensuring you receive a product that is perfectly aligned 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; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Explore a diverse selection 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 designed for precision and exceptional efficiency.
(10) Valve core function symbols: Explore an expansive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs.
(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 designed for supreme performance and dependability.
(12) Secondary pressure limitation options: Choose 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.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 functionality.
(14) Operation modes: Select from a variety 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the unparalleled versatility of our expertly engineered options, meticulously crafted to ensure seamless adaptability and flawless integration into diverse systems. Choose from our range of sizes, including: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each tailored to elevate your system's performance with precision and reliability.
(16) End plate options: Explore our meticulously designed end plate solutions, each crafted to deliver exceptional performance and flexibility. E1 is the standard choice with an external discharge of pilot oil and an external oil return control port T. E2 builds on the E1 design, enhanced with an additional port Y for greater adaptability. E3 is designed with a 2-position 3-way magnetic ball valve, capable of elevating system pressure to safety valve levels when activated, ensuring optimal safety and performance.
E4, a design akin to E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced performance. E5 mirrors the advanced features of E2, offering internal discharge for optimal efficiency. E6 expertly reflects the sophisticated design of E3, assuring advanced discharge control in every variant, making it the ideal choice for demanding applications.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range of options. Whether you need G12-12VDC for reliable operation or other specialized configurations, each is crafted for safety and specialization in the most demanding environments.G24, a standard yet powerful choice, ensures robust performance across various applications.- Offering unmatched versatility and compatibility to meet your specific needs.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Our extensive selection caters to all requirements, ensuring your system runs smoothly and efficiently.12, a reliable and enduring option for consistent performance.bb621436, a key component for ensuring seamless and efficient operations.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a shining beacon of innovation and unmatched excellence within the hydraulic industry landscape. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity is firmly rooted as a national high-tech enterprise of exceptional caliber. Our unrivaled expertise encompasses meticulous research, pioneering development, manufacturing precision, and the seamless sales of premium hydraulic components. Distinguished as a national 'specialized, refined, and innovative' small giant enterprise, our steadfast commitment to technological advancement and superior quality is unyielding. This relentless dedication prominently positions us as trailblazers and leaders within our esteemed domain.
Our flagship product, the Enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control technology. Expertly engineered for construction machinery and robust heavy-duty equipment, this indispensable component is vital for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with a multitude of leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components essential 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 delivering exceptional products, services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on a worldwide scale.
Question:1. What about the lead time?
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