Presenting the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-an epitome of hydraulic innovation. These extraordinary components fuse pressure, flow, and directional control into an elegant, cohesive unit, ensuring unmatched performance and dependability across diverse applications. Composed of three indispensable functional modules-connecting blocks, directional valves, and end plates-each valve is meticulously engineered for integration within elite hydraulic systems, essential for top-tier engineering machinery. Their precision in managing the movement direction and velocity of hydraulic cylinders, motors, and other actuators is unparalleled, providing supreme control and accuracy. Key features include a compact design, outstanding energy efficiency, and the ability for stepless speed regulation, further allowing multiple actuators to function concurrently under different loads, offering exceptional performance and adaptability to meet any application's demands.
Specially designed for constant displacement pump systems, the HLPSL valves ensure steadfast and reliable operation across all environments. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. Although HLPSV valves might have a slightly delayed response time, they excel in energy-saving capabilities, positioning them as the ideal choice where efficiency is crucial. With state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control needs, delivering a harmonious blend of accuracy, dependability, 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. This integral part of your system guarantees stability and reliability, facilitating seamless workflows.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs. Its innovative design ensures that you can effortlessly tailor your operations to meet the ever-changing demands of your environment.;
(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. It is perfect for situations where space is a premium, without compromising on performance.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system. This ensures that your operations have a reliable backbone to rely on.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration. It allows for seamless integration into existing systems while providing sophisticated management capabilities.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance. Experience exceptional flow-rate management even in the most demanding environments.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges. It stands ready to meet the demands of complex operational scenarios with aplomb.;
(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. It provides a dependable platform that meets the core requirements of your processes.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency. This component fine-tunes your system's performance, maximizing productivity and accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability. Keep your operations flowing smoothly with precision-engineered pressure management.;
(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, this modular approach ensures that you have the flexibility to adapt to any scenario.
(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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations, ensuring total peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing precision engineering. For a streamlined experience, /NF is specified for no pressure limiting valve, precisely crafted for HLPSV use. This feature guarantees optimal pressure control across diverse scenarios, ensuring essential functionality for your hydraulic solutions.
(7) Product Series Classification - The Epitome of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly designed to cater to every application, assuring that you acquire a product precisely aligned with your specifications.
(8)Thread Size of Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for effortless integration.
(9)Directional Valve Block Inflow Controller Options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve Core Function Symbols: Delve into a vast selection of core functions: L, M, F, H, J, B, R, O, N, meticulously crafted to meet various functional demands.
(11) Output Flow Code for Ports A & B: Achieve maximum efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for pinnacle performance.
(12) Secondary Pressure Limitation Options: Options include: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing comprehensive system safety.
(13) Function ON/OFF and Pressure Outlet Options: Tailor your options with: 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.
(14) Operation Modes: Diverse operation modes available: A(1,2), manual with optional long or short handle; E, electric proportional control; EA(1,2), hybrid electric proportional and manual operation; D, electric switching control; DA(1,2), combined electric switching 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, ensuring extensive control.
(15) Ancillary Block Port Sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability.
(16) End plate options: Elevate your control system with tailored end plate selections, including: E1 - standard configuration featuring an external discharge for pilot oil and an external oil return control port T; E2 - mirroring E1 but enhanced with an additional port Y; E3 - integrates a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels during power supply.
E4 - resembles E1 yet offers internal discharge of pilot oil with a sealing port T; E5 - akin to E2, with the addition of internal discharge; E6 - parallels E3, each option ensures sophisticated discharge control for your operational excellence.
(17) Control voltage and anti-explosion cable length choices: Prioritize safety and performance with options like G12-12VDC, specifically designed for compatibility with specialized applications demanding rigorous standards.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 within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we are proud to hold the status of a distinguished national high-tech enterprise. Our expertise is reflected in our rigorous research, development, manufacturing, and sales of premium hydraulic components. The honor of being a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality, propelling us as leaders in our field.
Our flagship offering, the load-sensitive proportional valve, stands as a testament to the pinnacle of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this adaptable component is indispensable for high-stakes applications including emergency rescue operations, tunnel engineering, and mining, as well as municipal service vehicles. We take substantial pride in our strategic alliances with numerous leading domestic manufacturers, playing a crucial role in the localization of 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'-our resolve remains firm in delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting unprecedented standards of excellence across the world.
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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