Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, seamlessly amalgamating pressure, flow, and directional control into a single, harmonious masterpiece. This guarantees unmatched performance and reliability across 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, critical for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights encompass an ingeniously 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 scenario. Conversely, 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 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; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(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); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Elevate your safety with our pressure limiting valve tailored for secondary pressure (F50), featuring a specified pressure value. This advanced mechanism fortifies operations with unparalleled security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. Designed to match your specific hydraulic needs, or opt for /NF for scenarios requiring no pressure limiting valve, perfectly crafted for HLPSV. This feature guarantees optimal pressure regulation across diverse applications.
(7) Product Series Classification - Experience Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully engineered to cater to various applications, ensuring that you receive a product that aligns with your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the sophisticated intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, enabling seamless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 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, fortified inflow controller; 8, pre-selectable options, ensuring precision and efficiency in every operation.
(10) Valve core function symbols: Discover an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each crafted meticulously to address unique operational needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flow options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed for unparalleled performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individual pressure limitation for ports A & B. Each measured in bar to enhance system reliability and safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options: 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 tailored for precision control excellence.
(14) Operation modes: Unlock 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 a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with orthogonal pilot oil ports, designed for comprehensive control mastery.
(15) Ancillary block port sizes: Choose from versatile configurations: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability.
(16) End plate options: Discover a diverse range of tailored end plate choices designed to meet your specific needs. Options include: E1, the standard choice, offering an external discharge of pilot oil along with an external oil return control port T, ensuring seamless operation. For enhanced functionality, E2 mirrors E1 but incorporates an additional port Y. For those seeking advanced safety, E3 integrates a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve standards during power supply, thus elevating reliability.
E4, crafted to resemble E1, features an internal discharge of pilot oil, effectively sealing port T for enhanced safety. E5 builds on E2's design, also offering an internal discharge mechanism. E6, akin to E3, is engineered to provide sophisticated control over discharge, ensuring optimal performance and safety.
(17) Control voltage and the length of anti-explosion type cable options: Select from a range of meticulously crafted options such as G12-12VDC, which guarantees safety and is perfectly suited for specialized applications requiring robust compatibility. Designed to meet the most demanding standards, these options ensure your equipment operates safely and efficiently.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 become a beacon of pioneering innovation and unmatched excellence in the hydraulic industry. As a prestigious subsidiary under the renowned China Baoan Group (stock code: 000009), we have earned our place as a distinguished national high-tech enterprise. Our expertise is showcased in the meticulous research, sophisticated development, precision manufacturing, and strategic sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancement and superior quality. This relentless dedication propels us as frontrunners in our industry.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control technology. Expertly engineered for use in construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud to forge strategic collaborations with numerous leading domestic manufacturers, playing an integral 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, outstanding services, and comprehensive solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the globe.
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 detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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