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 - This is the cornerstone of reliability, ensuring that your operations remain smooth, efficient, and uninterrupted with its consistent performance.;
HLPSV: Variable Displacement Pump - This epitome of adaptability and versatility offers exceptional flexibility to meet an expansive range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to form a trusted operational framework::
2-G3/8; Expertly crafted for compact efficiency, this port supports streamlined and seamless operations.
3-G1/2; Designed for robustness and reliability, it provides a solid foundation for maintaining system integrity.;
4-G3/4; With advanced connectivity, it delivers superior control and enhances system integration.;
5, 55-G1; Featuring superior flow rates, it's ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Engineered for unmatched performance, it's expertly designed to excel in demanding environments and handle challenges with ease.;
(3) Additional Components and Specifications - Elevating the capabilities of your system to new heights::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet key operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, and pressurizes it when unpowered;D/F - Introducing our meticulously crafted, precision-engineered pressure limiting valve for secondary pressure (F50). Engineered with an exacting pressure value, this marvel of modern innovation is designed to elevate safety measures to unprecedented levels, enhancing both operational security and reliability like never before. Experience a new era of engineering excellence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision engineering with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar. This adaptable component seamlessly meets every hydraulic requirement. With the /NF configuration, embrace systems without a pressure limiting valve, intricately designed for HLPSV, delivering unsurpassed pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, expertly tailored to meet every application need, ensuring you receive a product that perfectly aligns 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; Accompanied by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array 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 offers precision and exceptional efficiency.
(10) Valve core function symbols: Explore a wide-ranging collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with unmatched precision.
(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 optimal performance and unmatched dependability.
(12) Secondary pressure limitation options: Select 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 options ensure uncompromising system safety, measured in bar.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 option is engineered for precise control and superior functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 unparalleled versatility with our precisely engineered options, tailor-made for your needs: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is meticulously crafted to ensure seamless adaptability and flawless integration into a variety of hydraulic systems, empowering your operations with efficiency and precision.
(16) End plate options: Delve into our array of meticulously designed end plate solutions: E1 is your go-to standard choice, featuring an external discharge of pilot oil along with an external oil return control port T. For added flexibility, E2 mirrors E1 but includes an additional port Y. Choose E3 for its innovative 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels, ensuring robust safety when activated.
E4, crafted in the spirit of E1, offers an innovative design with internal discharge of pilot oil and a sealed port T, maximizing efficiency; E5, echoing the features of E2, incorporates internal discharge for superior performance; E6 mirrors the sophisticated design of E3, delivering advanced discharge control across all variants, setting new standards in hydraulic precision.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range, such as G12-12VDC, engineered for safety and precision in the most demanding environments. These options are designed for ultimate specialization, ensuring your systems operate with unparalleled security and efficiency.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 luminous beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the diligent research, cutting-edge development, meticulous manufacturing, and strategic sales of premium hydraulic components is truly unmatched. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to technological advancement and superior quality, thereby cementing our position as leaders in our field of expertise.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of sophistication in advanced hydraulic system control. This expertly engineered component is essential for construction machinery and heavy-duty equipment, playing a pivotal role in high-stakes scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with numerous leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain resolute in our dedication to delivering exceptional products, services, and solutions. Our mission is to emerge 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?
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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