Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, artfully merging pressure, flow, and directional control into a single, cohesive masterpiece. This integration guarantees unmatched performance and reliability across all applications. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a sleek, compact structure, superior energy efficiency, and the unique capability for stepless speed control. Furthermore, they empower multiple actuators to function simultaneously under varying loads, delivering unparalleled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel at delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering an impeccable 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 reliability, consistently delivering steadfast performance. Ensures your system operates smoothly and efficiently.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering extraordinary flexibility to meet a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a robust operational framework::
2-G3/8; Expertly crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Provides exceptional flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivers unmatched performance, meticulously designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Advancing system capabilities to new heights::
C,Standard Type - A reliable foundation, meticulously crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for diverse 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 demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 - Introducing an extraordinary leap in engineering: this precision-engineered pressure limiting valve for secondary pressure (F50) features a specifically defined pressure value, setting new benchmarks in safety enhancement. With unparalleled craftsmanship, it revolutionizes operational security and reliability, ensuring unmatched performance and peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the peak of innovation with this tool, offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar. This component epitomizes versatility and precision, flawlessly adapting to every hydraulic need. Embrace the /NF configuration for systems without a pressure limiting valve, expertly designed for HLPSV, delivering superior pressure control tailored to diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, meticulously crafted to accommodate every application, ensuring a matchless product that aligns with your precise specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes expertly crafted ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring seamless and impeccable integration.
(9)Directional valve block inflow controller options: Explore versatile options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unparalleled precision and efficiency.
(10) Valve core function symbols: Uncover a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs with precision.
(11) Output flow code for ports A & B: Achieve optimal efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for exceptional performance and reliability.
(12) Secondary pressure limitation options: Select from: 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, promising uncompromising safety.
(13) Function ON/OFF and pressure outlet options: Customize with options like: 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 and functionality.
(14) Operation modes: Choose from a variety of 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 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover a world of unparalleled versatility with our expertly crafted ancillary block port sizes. Choose from our precision-engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is meticulously designed to ensure seamless adaptability and flawless integration into a wide array of systems, meeting your every need.
(16) End plate options: Delve into our meticulously crafted end plate solutions, designed to elevate your system's performance. E1, the standard, facilitates an external discharge of pilot oil alongside an external oil return control port T. Discover E2, akin to E1 but enhanced with an additional port Y, providing extra flexibility. Or consider E3, featuring an advanced 2-position 3-way magnetic ball valve, expertly designed to elevate system pressure to safety valve levels upon activation.
E4 brings innovation with an E1-like design, integrating an internal discharge of pilot oil complemented by a sealed port T; E5 mirrors E2's features, optimized with internal discharge for superior performance; E6 embodies the sophisticated design of E3, ensuring advanced discharge control across all variants, setting new standards of excellence.
(17) Control voltage and anti-explosion cable options: Choose from our reliable and compatible selection of control voltage and anti-explosion cables. Options like G12-12VDC are crafted with precision to ensure safety and exceptional performance in even the most demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has consistently represented a beacon of groundbreaking innovation and unparalleled excellence in the hydraulic industry. As a distinguished subsidiary of the reputable China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our expertise shines in the precise research, development, manufacturing, and sales of premium hydraulic components, positioning us as unmatched leaders in our field. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our relentless commitment to technological advancement and superior quality. This dedication undeniably positions us as frontrunners in the industry.
Our flagship product, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component plays a vital role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our pride extends to our strategic collaborations with a multitude of leading domestic manufacturers, contributing significantly to the localization of 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 remain unwavering 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: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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