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 bedrock of reliability, ensuring unwavering performance for flawless system operations.;
HLPSV: Variable Displacement Pump - A model of adaptability, offering the ultimate in operational flexibility for diverse requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability to create a dependable framework::
2-G3/8; Designed for compact efficiency, supporting seamless and uninterrupted operational flows.
3-G1/2; Crafted for durability and reliability, forming a strong foundation for system integrity.;
4-G3/4; Provides advanced connectivity, ensuring superior control and enhanced integration.;
5, 55-G1; Designed for superior flow rates, perfect for high-demand settings, ensuring reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly meeting challenges in demanding environments.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable foundation, carefully crafted to meet key operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for peak performance.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to seamlessly meet your demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered;D/F - Immerse in cutting-edge technology with our precision-engineered pressure limiting valve for secondary pressure (F50), complete with a defined pressure value. This innovative feature guarantees superior safety measures, significantly enhancing operational security and unwavering reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, perfectly accommodating all hydraulic needs. For seamless configurations, /NF signifies the absence of a pressure limiting valve, meticulously crafted for HLPSV to assure impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to complement every application, ensuring a product that aligns seamlessly with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for flawless and effortless integration.
(9)Directional valve block inflow controller options: Choose from an array: 1, without inflow controller; 2, standard inflow controller; 4, a cutting-edge 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 precision and exceptional efficiency.
(10) Valve core function symbols: Explore a complete set of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to satisfy specific functional needs.
(11) Output flow code for ports A & B: Attain optimal efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and steadfast 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 uncompromised 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, each designed for precise control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with flexible long or short handle options; E, electric proportional control; EA(1,2), a harmonious 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 (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and exacting control.
(15) Ancillary block port sizes: Unlock a world of versatility with our selection of adaptable port sizes that include: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is meticulously crafted to ensure seamless adaptability and perfect integration into your existing system, providing you with unmatched flexibility and convenience.
(16) End plate options: Immerse yourself in our collection of expertly crafted end plate solutions. E1 stands as the standard bearer, with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1's functionality but is elevated with an additional port Y for enhanced performance. E3 takes innovation a step further with a 2-position 3-way magnetic ball valve, raising your system's pressure to safety valve levels when powered, ensuring superior safety and reliability.
E4, echoing the design excellence of E1, introduces an internal discharge of pilot oil and features a sealed port T, offering advanced control. E5 mirrors the impressive E2, incorporating internal discharge for superior efficiency. E6, inspired by the sophistication of E3, delivers unparalleled discharge control, meeting the highest standards of hydraulic precision.
(17) Control voltage and anti-explosion cable options: Secure your peace of mind with our array of control voltage options, including G12-12VDC, specifically designed to meet the demands of critical applications. Our range extends to specialized anti-explosion cables, providing an added layer of safety and reassurance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation and unmatched excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), this company stands proudly as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the precise research, development, manufacturing, and sales of premium hydraulic components. Earning the esteemed title of a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as leaders in our field.
Our flagship product, the Load Sensitive Hydraulic System with Enhanced Safety Valve Technology, stands as a testament to the pinnacle of advanced hydraulic system control. This product, expertly engineered as a load-sensitive proportional valve, is perfectly designed for construction machinery and heavy-duty equipment. Its versatility is vital 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 remain resolute in our commitment to delivering exceptional products, services, and solutions. Our ultimate mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on the world stage.
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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