Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand at the forefront of hydraulic technology, seamlessly integrating pressure, flow, and directional control into one harmonious masterpiece. This integration ensures exceptional performance and reliability across all applications. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless incorporation into premium hydraulic systems, essential for cutting-edge engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, achieving unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility across a multitude of applications.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring steadfast and reliable operation in any setting. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel in delivering extraordinary energy-saving performance, making them the ideal 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 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 unwavering reliability, delivering consistent and steadfast performance. It ensures the seamless and efficient operation of your entire hydraulic system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, offering unmatched flexibility to meet an extensive range of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to forge a steadfast operational framework::
2-G3/8; Crafted for compact proficiency, these connections are designed to support streamlined and seamless operational flows, ensuring maximum efficiency.
3-G1/2; Engineered for robustness, this connection provides a solid base for your system's integrity and reliability.;
4-G3/4; Featuring advanced connectivity, this option offers superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, it is ideal for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unmatched performance, it is expertly designed to excel in demanding environments, tackling challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights of performance::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements with excellence.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored to diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These solutions are designed to seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing overall efficiency and control with precision and ease:C - No magnetic ball valve; F - Normally open magnetic ball valve, strategically pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, efficiently unloading the pump when powered and pressurizing it when unpowered.D/F - Introducing our groundbreaking, precision-engineered pressure limiting valve for secondary pressure (F50), expertly designed with defined pressure values. This engineering marvel sets a new standard in advanced safety measures, significantly enhancing operational security and reliability, unprecedented in its excellence.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar. This component epitomizes adaptability, seamlessly meeting every hydraulic need. Experience /NF configuration systems, meticulously crafted for HLPSV, offering unparalleled 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 is a testament to design mastery, tailored to meet every application need, ensuring a product perfectly aligned with specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless and smooth integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing precision and remarkable efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed for specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, crafted for supreme performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, ensuring uncompromising system safety, all measured in bar.
(13) Function ON/OFF and pressure outlet options: Tailor 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, engineered for precise control and functionality.
(14) Operation modes: Choose from a range of 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 (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the epitome of versatility with our masterfully engineered options, tailor-made for ultimate adaptability. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is flawlessly crafted to ensure seamless integration and peak performance in a myriad of systems.
(16) End plate options: Delve into our precision-designed end plate solutions: E1, your quintessential choice, facilitates an external discharge of pilot oil combined with an external oil return control port T. E2 mirrors E1's capabilities but includes an additional port Y for superior flexibility. E3 stands out, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve thresholds once activated.
E4 closely resembles E1's design, yet introduces an innovative internal discharge of pilot oil with a sealed port T, optimizing your system's functionality. E5 echoes E2's attributes but with an internal discharge, ensuring peak performance. E6 embodies the advanced design of E3, providing exceptional discharge control across every variant.
(17) Control voltage and anti-explosion cable options: Choose from our robust selection of safe and specialized options, such as the G12-12VDC, meticulously engineered to ensure safety and proficiency even in the most rigorous applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary under the revered China Baoan Group (stock code: 000009), it proudly upholds its identity as a national high-tech enterprise. The company's unmatched expertise in the intricate research, development, manufacturing, and sales of premium hydraulic components establishes it as a leader in the field. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, Jiangsu KM's unwavering dedication to technological advancement and superior quality positions it as a pioneer in the domain, setting industry standards with relentless commitment.
Our flagship product, the enhanced Safety Atex Valve, truly embodies the pinnacle of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component proves indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, significantly advancing 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' - we remain steadfast 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 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.