Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the zenith of hydraulic innovation, artfully uniting pressure, flow, and directional control into a singular, flawless masterpiece. This guarantees unrivaled performance and reliability across all applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for elite engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and command. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While the 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-conserving 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system, embodying an unwavering commitment to excellence.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements, ensuring your system's needs are met with unparalleled precision and agility.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, safeguarding efficiency at every turn.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, instilling confidence and peace of mind.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, propelling your operations to the next level.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance, regardless of the task at hand.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly, setting new standards for operational excellence.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements, ensuring your system's core is robust and dependable.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system, ensuring operational fluidity and excellence.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, ensuring your system's vitality and vigor.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke 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, with precision and customization at the forefront.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: The pinnacle of operative efficiency, ensuring optimal system performance through seamless unloading.C - Standard No Magnetic Ball Valve: Seamlessly operate without magnetic interference. F - Normally Open Magnetic Ball Valve: Ingeniously designed to pressurize the pump upon being powered, and expertly unload it when unpowered. D - Normally Closed Magnetic Ball Valve: Masterfully crafted to unload the pump when powered, while effectively pressurizing it when unpowered, ensuring dynamic operational efficiency.D/F - Featuring a Precision-Engineered Pressure Limiting Valve: Elevate your safety standards with a secondary pressure (F50) feature, expertly calibrated to a defined pressure value. This state-of-the-art component guarantees exceptional operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in the versatility and precision with customizable settings at bar levels of 63, 120, 210, 280, 315, 350, and 400. This element is a hallmark of adaptability, addressing all hydraulic demands. For seamless configurations, /NF signifies the absence of a pressure limiting valve, masterfully designed for HLPSV, guaranteeing impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design excellence, meticulously tailored to suit every application, ensuring you acquire a product that precisely meets your distinctive requirements.
(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, expertly engineered for seamless and effortless integration.
(9)Directional valve block inflow controller options: Select from an array: 1, devoid of an 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 engineered for precision and remarkable efficiency.
(10) Valve core function symbols: Explore a wide array of core functionalities: L, M, F, H, J, B, R, O, N, each meticulously crafted to cater to specific functional demands with precision.
(11) Output flow code for ports A & B: Maximize efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unmatched reliability.
(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 measured in bar, ensuring uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options like: N, devoid of 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 superior functionality.
(14) Operation modes: Experience an array of operation modes designed for versatility and precision. Choose from: A(1,2), offering manual operation with your choice of long or short handle; E, featuring smooth electric proportional control; EA(1,2), a sophisticated blend of electric proportional control with manual operation; D, providing electric switching value control; DA(1,2), a harmonious combination of electric switching value control and manual operation; M, manual friction positioning with an ergonomic long handle; H, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports, ensuring unparalleled precision and control.
(15) Ancillary block port sizes: Benefit from our expertly engineered options that provide seamless adaptability and integration. Choose from: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously crafted to meet your specific needs.
(16) End plate options: Elevate your hydraulic system with our custom end plate solutions. Options include: E1, the standard choice with external discharge of pilot oil and a dedicated external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for increased capability; E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve standards when powered, ensuring optimal performance and safety.
E4, mirroring the design of E1, yet integrating internal discharge of pilot oil with a sealed port T for enhanced control; E5, akin to E2, also offering internal discharge for improved functionality; E6, reflecting the advanced design of E3, each variant is crafted to provide superior discharge control and operational excellence.
(17) Control voltage and anti-explosion cable options: Select from a secure and compatible range of options, such as G12-12VDC, designed for maximum safety and specialization in demanding environments.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 in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly position ourselves as a distinguished national high-tech enterprise. Our expertise is evident in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality. This relentless dedication solidifies our status as frontrunners in the industry.
Introducing our flagship product, the Enhanced Safety Atex Valve with load-sensitive proportional technology-a testament to cutting-edge hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile marvel is indispensable in high-stakes applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We proudly engage in strategic collaborations with 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 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 for 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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