Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels showcase the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This fusion guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves are designed for integration into high-end hydraulic systems, vital for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights feature 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, delivering unrivaled performance and versatility.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system, underpinning every action with unwavering dependability.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements, seamlessly adapting to your system's unique needs.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework that guarantees seamless integration and performance::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, ensuring no interruption in performance.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, ready to handle any demands placed upon it.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance across all operational conditions.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly, making it an invaluable asset to your system.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights, each component meticulously crafted for excellence::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements, ensuring dependable performance every time.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system and ensuring flawless operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, supporting sustained excellence.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to your unique needs: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, each choice offering reliable performance customization.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control, designed for precision and reliability: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; Each option crafted to optimize system functionality and ensure superior control.D/F - Introducing a precision-engineered pressure limiting valve for secondary pressure (F50), showcasing cutting-edge technology with defined pressure values. This engineering wonder is crafted to enhance safety protocols, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, catering effortlessly to every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, meticulously designed for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies design mastery, expertly crafted to meet any application, ensuring a product precisely tailored to your unique requirements.
(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, meticulously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of 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 precision and exceptional efficiency.
(10) Valve core function symbols: Discover a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme 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, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your experience 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 crafted for precise control and functionality.
(14) Operation modes: Choose from a myriad of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 ultimate versatility with our precision-engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each carefully crafted choice promises seamless adaptability and flawless integration, enhancing your system's performance across a diverse range of applications.
(16) End plate options: Discover our expertly crafted end plate solutions: E1, your standard choice, offers an external discharge of pilot oil and an external oil return control port T; E2, which builds upon E1, adds an additional port Y for greater adaptability; E3, which includes a 2-position 3-way magnetic ball valve, elevates the system pressure to safety valve levels upon activation, ensuring robust safety.
E4, built with the same excellence as E1, offers the innovative integration of an internal discharge of pilot oil with a sealed port T; E5 extends the features of E2 with internal discharge for optimized performance; E6 reflects the advanced design of E3, offering sophisticated discharge control across every variant for superior operational efficiency.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible selection, such as G12-12VDC, designed for safety and specialized use in 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 shone brightly as a symbol of innovation and unmatched excellence in the hydraulic industry. Proudly operating as a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand as a national high-tech enterprise of great repute. Our prowess in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us in a class of our own. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise further underscores our steadfast commitment to technological progression and superior quality. This unwavering dedication distinctly positions us at the forefront of our industry.
Our premier offering, the advanced Safety Atex Valve, represents the pinnacle of cutting-edge hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this indispensable component is vital for high-stakes scenarios like emergency rescue operations, tunnel engineering, mining ventures, and municipal service vehicles. We take great pride in our strategic partnerships with various leading domestic manufacturers, significantly advancing the localization of core hydraulic components for top-tier mechanical equipment. Guided by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain steadfast in our pledge to deliver exceptional products, services, and solutions. Our vision is to emerge as a globally trusted supplier of premier hydraulic components, setting unparalleled standards 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.
){kind=link}