Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to cutting-edge hydraulic innovation. These exceptional engineering feats seamlessly merge pressure, flow, and directional control into one cohesive masterpiece, ensuring unmatched performance and dependability in all scenarios. Typically crafted from three crucial functional modules - connecting blocks, directional valves, and end plates - these valves are designed meticulously for integration into premium hydraulic systems, essential for high-caliber engineering machinery. They precisely guide the motion direction and speed of hydraulic cylinders, motors, and other actuators, offering superior precision and control. Key features include a compact design, remarkable energy efficiency, and the capability for seamless speed control. Furthermore, they enable multiple actuators to function concurrently under diverse loads, providing exceptional performance and adaptability for any application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may have a slightly slower response time, they excel in offering outstanding energy-saving performance, making them the optimal choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, presenting a flawless combination 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 bedrock of reliability in our hydraulic systems, providing unwavering performance and ensuring smooth, efficient operations across all your applications.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and versatility, this pump offers exceptional flexibility to cater to a broad spectrum of operational needs and scenarios.;
(2) Connection Block Ports P & R Specifications - Where precision converges with reliability, creating a dependable operational framework for your needs::
2-G3/8; Designed for compact proficiency, these ports support streamlined and seamless operational flows ensuring efficiency.
3-G1/2; Built for robustness, these ports ensure reliability, forming a strong foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, these ports offer superior control and enhanced system integration.;
5, 55-G1; With superior flow rates, these ports are ideal for high-demand applications, providing consistent and reliable performance.;
6-G1 1/4; These ports deliver exceptional performance, expertly crafted to excel in demanding environments and tackle challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to unparalleled heights with our components::
C,Standard Type - Serving as a reliable and trusted foundation, this component is meticulously crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, elevating the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unmatched performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailor-made pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with our innovative solutions:C - No magnetic ball valve; F - Normally open magnetic ball valve, powers up to pressurize the pump, unpowers to unload it; D - Normally closed magnetic ball valve, powers up to unload the pump, unpowers to pressurize it;D/F - Equipped with a precision-engineered pressure limiting valve for secondary pressure (F50) with a defined pressure value, this cutting-edge feature ensures advanced safety measures are in place to enhance operational security and reliability. Experience peace of mind knowing that safety is always prioritized, offering unmatched reliability and protection for your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience versatility and unmatched precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to adaptability, catering to all hydraulic needs. For streamlined configurations, /NF indicates no pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across diverse applications. This ensures that no matter the challenge, your system operates with optimal efficiency and performance.
(7) Product Series Classification - The Epitome of Engineering Excellence: Each series represents the pinnacle of sophisticated engineering, delivering unparalleled performance across all applications.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, expertly designed to match every application, ensuring you receive a product that perfectly aligns with your specific needs. Experience the ultimate in customization and precision, as each series is crafted to meet the most demanding standards of excellence.
(8)Thread size of directional spool valve ports A & B: Discover the versatility with sizes:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth and seamless integration. Benefit from expertly crafted options that ensure your system's adaptability and seamless operation.
(9)Directional valve block inflow controller options: Choose from a range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and outstanding efficiency. Select the ideal solution for unparalleled flow management and supreme operational effectiveness.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands. These options offer unmatched customization, ensuring your system is perfectly calibrated to your unique requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for superior performance and reliability. Optimize your operations with these expertly engineered flow rates, guaranteeing exceptional results.
(12) Secondary pressure limitation options: Opt for: 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 uncompromising system safety. Ensure peace of mind with robust safety measures designed for optimal protection in every scenario.
(13) Function ON/OFF and pressure outlet options: Customize 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. Tailor your system with precision-engineered solutions that enhance control and flexibility.
(14) Operation modes: Select from diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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. Elevate your control strategy with these versatile and meticulously designed operation modes, ensuring superior system performance.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability and integration. These options provide the flexibility and precision needed to meet your specific application demands, ensuring flawless integration and performance.
(16) End plate options: Explore our meticulously crafted end plate configurations: E1, the quintessential standard, offering an external discharge of pilot oil alongside an external oil return control port T. Opt for E2, which closely mirrors E1 but is meticulously enhanced with an additional port Y. The E3 option boasts a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve thresholds with precision when powered.
E4, similar in architectural design to E1, ingeniously incorporates an internal discharge of pilot oil coupled with a sealed port T. The E5 variant echoes the design of E2, also incorporating internal discharge, while E6 mirrors the sophisticated design of E3, each variant crafted to ensure superior discharge control.
(17) Control voltage and anti-explosion cable options: Select from our array of secure and highly compatible options such as G12-12VDC, engineered for safety and tailored to excel in demanding 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 revolutionized the hydraulic industry with groundbreaking innovations and unmatched excellence. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we have earned our reputation as a distinguished national high-tech enterprise. Our prowess lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering commitment to technological advancement and superior quality, which positions us at the forefront of our industry.
Our flagship product, the Load Sensitive Hydraulic System for Enhanced Safety in Truck Cranes, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is essential for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with 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 emerge 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 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?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
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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