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 cornerstone of system reliability, this pump guarantees unwavering and consistent performance, enhancing operational efficiency across your hydraulic system.;
HLPSV: Variable Displacement Pump - An epitome of flexibility, this pump offers remarkable versatility to seamlessly adapt to a diverse spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability to create a dependable operational framework::
2-G3/8; Expertly designed for compact efficiency, facilitating smooth and streamlined operational flows.
3-G1/2; Built with robustness, this port ensures a sturdy foundation for your system's enduring integrity.;
4-G3/4; With advanced connectivity, this port provides superior control and enhanced system integration.;
5, 55-G1; Offering exceptional flow rates, this port is perfect for high-demand applications, ensuring reliable and consistent performance.;
6-G1 1/4; A powerhouse of performance, this port is designed to excel in challenging environments and meet demanding needs with ease.;
(3) Additional Components and Specifications - Taking system capabilities to new heights::
C,Standard Type - A steadfast and dependable foundation, meticulously crafted to satisfy essential operational standards.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting your system's overall operational efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving performance and reliability to new heights.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is tailored to seamlessly address your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and precision control:C - Featuring a non-magnetic ball valve, it stands as a robust component; F - A normally open magnetic ball valve, designed to pressurize the pump when powered and seamlessly unload it when unpowered, ensuring smooth operation; D - A normally closed magnetic ball valve, crafted to unload the pump when powered, and efficiently pressurize it when unpowered, offering unparalleled versatility.D/F - Complemented by a precision-engineered pressure limiting valve for secondary pressure (F50) set at a defined pressure value, this state-of-the-art feature guarantees advanced safety protocols, thereby enhancing the overall operational security and reliability with cutting-edge technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embark on a journey of versatility and unmatched precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a beacon of adaptability, meeting all your hydraulic demands. With streamlined configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring exceptional pressure management across a myriad of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is a hallmark of expert design and craftsmanship, curated to seamlessly align with any application, ensuring you acquire a product that perfectly fits your unique 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, meticulously engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a diverse array: 1, without inflow controller; 2, the standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet meticulously crafted for the N 3/3-way valve; 5, the enhanced inflow controller; 8, pre-selectable options, each delivering precision and exemplary efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to cater to specific functional demands with precision.
(11) Output flow code for ports A & B: Attain peak efficiency with a range of available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for superior performance, ensuring exceptional 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, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 unrivaled functionality.
(14) Operation modes: Experience unparalleled versatility with our diverse operation modes: A(1,2), offering manual operation with a choice of long or short handle; E, featuring sophisticated electric proportional control; EA(1,2), seamlessly blending electric proportional control with manual operation; D, designed for precise electric switching value control; DA(1,2), skillfully combining electric switching value control with manual operation; M, providing manual friction positioning with a long handle; H, encompassing pure hydraulic control with pilot oil ports aligned with oil ports A and B; F, delivering pure hydraulic control with perpendicular pilot oil ports, all intricately designed for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace flexibility with our adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all meticulously crafted for seamless adaptability and effortless integration into your systems.
(16) End plate options: Discover our expertly tailored end plate solutions: E1, our standard choice, features 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 functionality; E3, comes equipped with a 2-position 3-way magnetic ball valve, skillfully elevating system pressure to safety valve levels when powered.
E4, similar in design to E1, innovatively integrates internal discharge of pilot oil with a sealed port T; E5 mirrors E2, featuring the same internal discharge efficiency; E6 reflects the sophistication of E3, each variant ensuring advanced discharge control for optimal performance.
(17) Control voltage and anti-explosion cable options: Opt for our secure and compatible options like G12-12VDC, meticulously tailored for safety and specialization, meeting the demands of challenging applications.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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand proudly 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.
For our enhanced Safety Valve Technology, the flagship product, the load-sensitive proportional valve, is a testament to the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is crucial 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.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this period, we engage in comprehensive preparations and maintain stringent quality control measures. Our dedication to ensuring that each product arrives in pristine condition is unwavering, reflecting our commitment to your complete satisfaction through flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, allowing you the freedom to purchase as little as one piece for sample verification. This flexibility enables you to easily launch your projects with precision, catering to your specific requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: To commence your order, please share your detailed requirements or intended applications with us. We will provide a tailored quote, crafted either to meet your specific needs or based on our expert recommendations. Once the drawings are approved and a deposit is made, we will confirm the order and begin production. We assure adherence to every specification, guaranteeing a seamless, custom solution exclusively for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every aspect is executed with precision for a seamless, custom solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is presented with unmatched precision and excellence, perfectly embodying your unique identity.
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