Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of hydraulic advancement. These revolutionary engineering marvels signify the zenith of hydraulic innovation, flawlessly uniting pressure, flow, and directional control into one cohesive masterpiece. This ensures exceptional performance and unrivaled reliability across all applications. Typically featuring three vital functional modules - connecting blocks, directional valves, and end plates - these valves are expertly designed for incorporation into premium hydraulic systems, indispensable for elite engineering machinery. They precisely orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and seamless stepless speed control. Furthermore, they enable the concurrent operation of multiple actuators under varying loads, offering unparalleled performance and versatility in any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, guaranteeing steadfast and unwavering operation in every environment. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves may display a marginally slower response time, they excel in delivering extraordinary energy-saving performance, establishing them as the preferred choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the superior solution for sophisticated hydraulic control needs, offering a perfect amalgamation 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 - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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 cutting-edge innovation with our precision-engineered pressure limiting valve, explicitly designed for secondary pressure (F50). This marvel of engineering is distinguished by its rigorously specified pressure value, ensuring that your advanced safety measures are not only met but substantially enhanced. Revel in an era where operational security and reliability reach unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into a realm of supreme versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, seamlessly meeting every hydraulic requirement. Featuring the /NF configuration, immerse yourself in systems designed without a pressure limiting valve, meticulously crafted for HLPSV, delivering unmatched 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 stands as a paragon of design, expertly crafted to meet every need, ensuring you receive a product that aligns perfectly 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; Embodying the zenith of integration, including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a broad spectrum of options: 1, no inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed especially for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering remarkable precision and unmatched efficiency.
(10) Valve core function symbols: Uncover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet precise functional requirements.
(11) Output flow code for ports A & B: Achieve unparalleled efficiency with available maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to deliver exceptional performance and reliability.
(12) Secondary pressure limitation options: Select from an array of options: 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options 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 engineered for precise control and functionality.
(14) Operation modes: Select from a wide array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious 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 (aligning 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: Experience versatility with our expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is crafted for seamless adaptability and flawless integration into diverse systems, ensuring your operations run smoothly and efficiently with our specially designed selections.
(16) End plate options: Explore our meticulously designed end plate solutions: E1, your standard choice, offers an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is enhanced with an additional port Y for added flexibility; E3, features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated, providing you with superior control and safety.
E4, designed akin to E1, innovatively integrates an internal discharge of pilot oil with a sealed port T, offering enhanced operational efficiency; E5 mirrors the features of E2, with internal discharge for optimal performance; E6 reflects the sophisticated design of E3, ensuring advanced discharge control in every variant, perfect for those who demand precision and excellence.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, such as G12-12VDC, crafted for safety and specialization in the most demanding applications. Choose G24 for standard requirements or opt for advanced solutions with G24Ex-3m-24VDC, G12Ex-3m-12VDC, G24MA-3m-24VDC, engineered for superior safety and performance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of China Baoan Group (stock code: 000009), we proudly uphold our reputation as a national high-tech enterprise. Our unmatched prowess in the meticulous research, development, manufacturing, and sales of premium hydraulic components has set us apart. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological advancement and superior quality. This relentless dedication firmly establishes us as leaders in our field.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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, significantly contributing to the localization of 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 unwavering in our mission to provide exceptional products, services, and solutions. Our aim is to become 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 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.
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