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.;
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 - With the introduction of a precision-engineered pressure limiting valve for secondary pressure (F50), this state-of-the-art feature not only redefines safety but elevates operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover a world of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar. This component is a hallmark of adaptability, meeting a wide spectrum of hydraulic demands. For configurations that require it, /NF is crafted with precision for HLPSV, ensuring exceptional pressure management across various applications.
(7) Product Series Classification - A Testament to Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of design, tailored to fit every application, ensuring you receive a product precisely 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 ancillary blocks or the sophisticated intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, preselectable options, each offering precision and superior efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously developed to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for outstanding 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 unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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, engineered for precise control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), a blend of 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Opt for adaptable sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly crafted for seamless adaptability and integration.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, the quintessential choice, featuring external discharge of pilot oil and an external oil return control port T. E2, similar to E1 but enhanced with an additional port Y for increased versatility. E3, showcasing a 2-position 3-way magnetic ball valve, elevates your system's pressure to safety valve levels when powered, ensuring superior performance and reliability.
E4, akin to E1 in design but uniquely integrates an internal discharge of pilot oil with a sealed port T for optimized functionality. E5 mirrors E2 with advanced internal discharge capabilities, while E6 exudes the sophistication of E3, each variant meticulously engineered to ensure unparalleled discharge control.
(17) Control voltage and anti-explosion cable options: Select from a comprehensive array of secure and compatible options including G12-12VDC, meticulously designed for safety and optimal performance in demanding 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the enhanced Safety Atex Valve with its load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly 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, playing a pivotal role in localizing 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Inquiry:1. What is the typical lead time for production?
Response:Generally, from the moment your payment is received, our dedicated team engages in a thorough preparation phase that spans about a month. During this period, we meticulously adhere to stringent quality control measures, ensuring every detail is honed to perfection. Our unwavering commitment is to deliver products that meet the highest standards, ensuring your complete satisfaction through impeccable and timely delivery.
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Inquiry:4. Can my logo be printed on the product?
Response: Certainly, we can accommodate this request. Please notify us formally before production begins and confirm the design based on the sample provided by us. This approach ensures your branding is represented with unmatched accuracy and quality, perfectly aligning with your vision.
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