Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, effortlessly integrating pressure, flow, and directional control into one cohesive masterpiece. This integration promises unmatched performance and reliability in every application. Typically comprising three fundamental functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for seamless integration into high-end hydraulic systems, essential for premium engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control that is unrivaled. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate simultaneously under varying loads, offering exceptional performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and dependable operation in every environment. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves may have a slightly slower response time, they excel in delivering superior energy-saving performance, establishing them as the ultimate choice for applications where efficiency is critical. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering the 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Crafted for compact efficiency, catering to streamlined and seamless operational flows, enhancing your system's functionality.
3-G1/2; Engineered for robustness and dependability, providing a solid foundation upon which your system is built.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration for peak performance.;
5, 55-G1; With a superior flow rate, this choice is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance, a design that excels in the field and surpasses challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy baseline, meticulously tailored to address your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for a variety of 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 needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing 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 - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50) that features a precise pressure value; delivering superior safety measures to ensure secure operations throughout.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component offers a remarkable range of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision. For those who value simplicity, /NF denotes no pressure limiting valve, a feature meticulously crafted for HLPSV. It ensures superior pressure control across diverse scenarios, making it an essential asset for your hydraulic applications.
(7) Product Series Classification - A Showcase of Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully engineered to match any application, guaranteeing a product that perfectly aligns with your specific needs.
(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 crafted for seamless integration.
(9)Directional valve block inflow controller options: A choice of: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring unmatched precision and efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet distinct functional requirements.
(11) Output flow code for ports A & B: Enhance efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance excellence.
(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 precisely measured in bar, ensuring robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customizable selections include: 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 precision control and supreme performance.
(14) Operation modes: A diverse array of operation modes available: A(1,2), manual operation featuring optional long or short handle; E, electric proportional control; EA(1,2), a sophisticated blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of electric switching value control and manual operation; M, manual friction positioning with a 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 control and versatility.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and exceptional integration.
(16) End Plate Options: Discover a range of customizable end plate selections designed to perfectly match your needs: E1 - Standard option featuring external discharge of pilot oil with an external oil return control port T; E2 - Mirroring E1 but with the added advantage of an extra port Y; E3 - Includes a sophisticated 2-position 3-way magnetic ball valve, enhancing system pressure to meet safety valve standards during power supply for optimal safety and efficiency.
E4 - Similar to E1 but engineered with an internal discharge of pilot oil and sealed port T; E5 - Resembles E2, offering the sophistication of internal discharge; E6 - Reflects E3's design, each ensuring an advanced level of discharge control for your specific requirements.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a selection of specifications such as G12-12VDC, delivering unmatched safety and compatibility for specialized applications.G24 - A reliable option for varied applications.-24VDC; G24Ex-3m-24VDC - Your ideal choice for explosive environments; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12 - A versatile and dependable choice for your operations.bb621436 - Ensure top-notch performance and reliability with this choice.
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 load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component 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 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:The lead time for production is typically around one month following receipt of payment. During this period, we engage in meticulous preparation and implement stringent quality control measures to ensure that every product reaches you in pristine condition. Your satisfaction with our flawless delivery is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, giving you the flexibility to order even a single piece for sample verification. This adaptability allows you to embark on your projects with ease and precision, perfectly suiting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Start the process by sharing your detailed requirements or intended applications with us. We will then craft a tailored quote specifically for you, whether based on your needs or through our expert guidance. Upon confirming the drawings and placing a deposit, the order will be finalized and production will commence. We ensure every specification is adhered to with precision, providing you with a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed flawlessly for a seamless and bespoke 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 showcased with the utmost precision and superior quality, perfectly reflecting your identity.
){kind=link}