Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, skillfully marrying pressure, flow, and directional control into one coherent, harmonious entity. This ensures 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 seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility across any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in every context. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may feature a slightly slower response time, they excel in delivering outstanding energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a flawless 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 - Experience the pinnacle of reliability as this keystone pump ensures unwavering performance, facilitating smooth and efficient operations across your entire hydraulic system with effortless grace.;
HLPSV: Variable Displacement Pump - Embrace the epitome of adaptability and versatility with this pump, as it offers extraordinary flexibility to meet a vast array of operational demands, ensuring optimal performance in every scenario.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability, establishing a steadfast and trustworthy operational framework::
2-G3/8; These ports are crafted for compact proficiency, meticulously designed to streamline operations and maintain seamless flow.
3-G1/2; Engineered with robustness, these ports ensure your system retains a solid foundation, guaranteeing integrity.;
4-G3/4; Featuring advanced connectivity, these ports provide superior control and enhance system integration effortlessly.;
5, 55-G1; With exceptional flow rates, these ports are perfect for high-demand applications, ensuring steadfast and reliable performance.;
6-G1 1/4; Delivering unmatched performance, these ports excel in demanding environments, tackling challenges with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights, achieving unprecedented performance::
C,Standard Type - A foundation of reliability, meticulously crafted to meet all essential operational requirements with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring unrivaled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications, meeting specific operational demands with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailor-made solutions to perfectly align with your unique operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump under power, efficiently unloading it when unpowered; D - Normally closed magnetic ball valve, expertly unloading the pump under power, and pressurizing it when unpowered;D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), meticulously defined to uphold a specific pressure value. This engineering marvel stands as a beacon of safety innovation, elevating operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, flawlessly catering to every hydraulic demand. With the /NF configuration, discover systems sans a pressure limiting valve, specifically crafted for HLPSV, offering extraordinary pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, meticulously crafted to suit every application, ensuring that you receive a product precisely aligned to your unique needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including expertly designed ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration.
(9)Directional valve block inflow controller options: Choose from an impressive selection: 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 remarkable precision and efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimal 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: Opt for: 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, guaranteeing 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 an 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly engineered options, providing you with seamless adaptability and flawless integration into diverse systems. Choose from our meticulously crafted selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each designed for optimal performance.
(16) End plate options: Delve into our meticulously designed end plate solutions that redefine flexibility and efficiency. Option E1 provides a standard choice with an external discharge of pilot oil and external oil return control port T. E2 enhances this with an additional port Y for superior adaptability. E3 features an innovative 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation.
E4, crafted with the innovation of E1, seamlessly integrates internal discharge of pilot oil with a securely sealed port T. E5 mirrors the enhancements of E2, ensuring internal discharge for peak performance. E6 epitomizes the advanced design of E3, delivering sophisticated discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Unveil a secure and compatible range designed for the most demanding applications. Select from options like the G12-12VDC, built with safety and specialization at its core.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 stood as a beacon of innovation and excellence in 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 unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components distinguishes us in the industry. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we reinforce our unwavering dedication to technological advancement and superior quality every step of the way. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted 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, contributing significantly 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 remain steadfast in our commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, 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?
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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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