Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel of hydraulic engineering. These revolutionary creations signify the zenith of innovation, artfully merging pressure, flow, and directional control into a unified, elegant system. This ensures unmatched performance and reliability across diverse applications. Fashioned from three pivotal functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. They deftly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, ensuring peerless precision and control. Key attributes include a compact architecture, exceptional energy efficiency, and the ability to offer stepless speed control. Moreover, they empower multiple actuators to function concurrently under varied loads, providing extraordinary performance and adaptability for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast reliability in every scenario. Conversely, the HLPSV valves are ingeniously devised for variable pump systems. Although HLPSV valves might have a marginally slower response time, they excel in delivering superior energy-saving performance, establishing them as the quintessential choice for environments where efficiency takes precedence. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control needs, offering an ideal fusion of precision, 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, offering a steadfast foundation for seamless productivity.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, this feature offers unmatched versatility to meet diverse operational needs, revolutionizing the way you approach your tasks.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations that stand the test of time::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, perfect for modern, space-conscious applications.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system, ensuring strength and stability in your operations.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration, pushing the boundaries of what your system can achieve.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance and reliability even under pressure.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges, empowering your system with unparalleled capability.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights, transforming ordinary operations into extraordinary achievements::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs, setting a new standard for excellence.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency, streamlining processes with unparalleled finesse.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, securing your operations with cutting-edge technology.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, maximizing efficiency and flexibility: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, adapting to your unique challenges with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, enhancing dynamic system performance: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; Offering a spectrum of control options to optimize your system's responsiveness.D/F - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations, safeguarding your system with state-of-the-art technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Elevate your hydraulic systems with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies versatility and precision to suit diverse applications. For those who appreciate streamlined solutions, /NF denotes no pressure limiting valve, specifically tailored for HLPSV models. This indispensable feature guarantees optimal pressure regulation, adapting seamlessly across a plethora of scenarios to meet your hydraulic demands.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is designed with meticulous attention to detail to ensure it flawlessly meets your specific application needs, delivering a product that is both reliable and efficient.
(8)Thread size of directional spool valve ports A & B: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, thoughtfully engineered for seamless integration within your system.
(9)Directional valve block inflow controller options: Discover a selection of controllers: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each crafted to deliver unparalleled precision and efficiency.
(10) Valve core function symbols: Delve into an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional requirements with utmost precision.
(11) Output flow code for ports A & B: Enhance your system's efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, ensuring optimal performance tailored to your needs.
(12) Secondary pressure limitation options: Opt for: N, without pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all scrutinized in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Available options 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 crafted for exacting control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, providing comprehensive control tailored to your needs.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously designed for seamless adaptability across your systems.
(16) End plate options: Our selection of end plate options is meticulously designed to meet your specific needs, offering: E1, the standard choice, featuring external discharge of pilot oil and an external oil return control port T. E2 mirrors the qualities of E1, further enhanced with an additional port Y. E3 is equipped with a 2-position 3-way magnetic ball valve, strategically increasing system pressure to safety valve levels upon power supply activation, ensuring peak operational safety.
E4, akin to E1, offers an internal discharge of pilot oil while sealing port T to provide enhanced containment and control. E5, sharing similarities with E2, also incorporates internal discharge functionalities. E6, paralleling E3, elevates discharge regulation to unparalleled sophistication, ensuring your operations are both safe and efficient.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of options like G12-12VDC, which guarantees utmost safety and seamless compatibility for specialized 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 made a remarkable impression on the hydraulic industry with its innovative prowess and unmatched excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our status as a distinguished national high-tech enterprise. Our strength lies in the meticulous research, development, manufacturing, and sales of top-tier hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancements and superior quality. This relentless dedication establishes us as leaders and pioneers in our field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control technology. Ingeniously engineered for construction machinery and heavy-duty equipment, this indispensable component is crucial for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing an indispensable role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting unparalleled 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 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.
){kind=link}