Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial 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 encompass 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 for any application.
The HLPSL valves are expertly tailored 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 - This is the cornerstone of reliability in your hydraulic system, consistently delivering unwavering performance. Designed to maintain smooth, efficient operations, it ensures that your system runs seamlessly.;
HLPSV: Variable Displacement Pump - Experience unmatched flexibility with this model, a true paragon of adaptability. It easily accommodates a wide array of operational needs, making it indispensable for versatile applications.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability merge, creating a trusted and steadfast operational framework::
2-G3/8; Designed with compact efficiency in mind, it supports a streamlined, seamless flow of operations, ensuring high performance.
3-G1/2; Built for robustness, it provides a reliable foundation for maintaining system integrity and stability.;
4-G3/4; Offering advanced connectivity, it ensures superior control and enhances system integration for optimal performance.;
5, 55-G1; With its capacity for superior flow rates, it's ideally suited for high-demand applications, promising dependable, uninterrupted performance.;
6-G1 1/4; Delivering unrivaled performance, it is expertly crafted to thrive in challenging environments, tackling obstacles with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights of performance::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to fulfill essential operational demands with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing your system's overall efficiency and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, empowering your system with extraordinary performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions for diverse applications, offering tailored solutions:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Carefully designed to meet specific operational demands with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate control and efficiency with these options:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered; Tailored for maximizing operational control and efficiency.D/F - Experience the pinnacle of modern engineering with this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). It features a meticulously defined pressure value, representing a true marvel of innovation. Designed to elevate advanced safety measures, this valve optimizes operational security and reliability in unprecedented ways, setting new standards in the industry.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels, including 63, 120, 210, 280, 315, 350, and 400 bars. This component exemplifies adaptability and seamlessly meets every hydraulic requirement. With the /NF configuration, experience systems without a pressure limiting valve, meticulously crafted for HLPSV, offering unparalleled pressure control in diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, expertly conceived to suit every application, ensuring you receive a product perfectly aligned with your specific needs and requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, this setup is masterfully engineered for smooth and flawless integration.
(9)Directional valve block inflow controller options: Choose from a diverse array of options tailored for your needs: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect 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: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requisites seamlessly.
(11) Output flow code for ports A & B: Reach 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 unwavering dependability.
(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: Customize 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 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 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, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into a realm of versatility with our expertly engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted to ensure seamless adaptability and flawless integration across a wide array of systems.
(16) End plate options: Discover our meticulously designed end plate solutions: E1 is the standard bearer, featuring an external discharge of pilot oil and an external oil return control port T; E2 builds upon E1 with the addition of an extra port Y, offering enhanced flexibility; E3 showcases a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation.
E4, similar in design to E1, innovatively incorporates an internal discharge of pilot oil with a sealed port T; E5, mirroring E2's features, includes internal discharge for superior performance; E6, echoing the refined design of E3, ensures advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible selection, including G12-12VDC, crafted for both safety and specialization in the most rigorous 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 been a beacon of innovation and excellence in the hydraulic industry. We stand as a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), proudly carrying the banner of a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched in the field. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we reinforce our unwavering dedication to technological advancement and superior quality. This relentless commitment distinctly positions us as leaders in our domain, setting benchmarks in ingenuity and excellence.
Our flagship product, the Enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control technology. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is pivotal for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic collaborations with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Anchored 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 transformative standards of excellence across the globe.
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.