Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels represent the pinnacle of hydraulic innovation, skillfully combining pressure, flow, and directional control into a singular, cohesive masterpiece. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for scenarios 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 needs, providing an ideal 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 - Decoding the Key to Seamless System Integration: Unlock the full potential of your hydraulic system with our meticulously designed connection block codes, ensuring unparalleled efficiency and performance.
HLPSL: Constant Displacement Pump - The backbone of reliability. This pump ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Experience the unmatched dependability that keeps your machinery operating like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility. This pump offers exceptional flexibility to meet a broad spectrum of operational needs. Crafted to accommodate evolving demands, it facilitates seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework. Crafted with meticulous attention to detail for flawless performance, elevating reliability across every application.:
2-G3/8; Engineered for compact proficiency, designed to support streamlined and seamless operational efficiencies. Perfectly crafted for precision, it ensures outstanding performance even in the most confined spaces.
3-G1/2; Designed for robustness and reliability, providing a solid foundation for your system's integrity. Built to endure, delivering steadfast durability in the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. It brings sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Offering superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges with ease.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in demanding environments and tackle challenges effortlessly. Setting new standards in power and performance.;
(3) Additional Components and Specifications - Raising system capabilities to new heights. Unlock the full potential of your operations with advanced components that redefine excellence.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements. Providing unwavering support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. It guarantees your operations are finely tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability. It surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications. Tailored to your specific needs, providing precision control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Elevate your operations with our custom-engineered solutions tailored to your specific demands. Enjoy the versatility of customizable configurations that enable effortless precision in achieving desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience the pinnacle of efficiency and control: Expertly designed to optimize system performance, this valve delivers unmatched control and superior effectiveness, transforming your operational capabilities with precision.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered. Achieve precision tuning for superior system efficiency and adaptability.D/F - Presenting a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel ensures a specifically defined pressure value, significantly enhancing safety measures and optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, designed to meet every hydraulic requirement perfectly. The /NF configuration excludes a pressure limiting valve, masterfully crafted for HLPSV, offering precise pressure control across diverse applications with unparalleled accuracy.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously crafted to cater to every application, ensuring a product that aligns seamlessly with your specific requirements, consistently delivering exceptional performance.
(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, precisely engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Explore a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options offering precision and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Uncover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each crafted to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and steadfast dependability.
(12) Secondary Pressure Limitation Options: Discover our exceptional array of safety enhancement choices for your hydraulic systems. Opt for 'N' for a design without pressure limiting protection. Select 'C' for concurrent pressure limitation of actuator ports A & B, ensuring cohesive performance. Alternatively, choose 'A---B---' for independent pressure control of ports A & B. Each selection is precisely gauged in bar, guaranteeing unparalleled system safety and steadfast reliability.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational mastery with our versatile customization options. 'N' offers a basic setup devoid of function ON/OFF or pressure outlets. Opt for 'X' paired with C type pressure limitation for refined control, or choose 'S/S1' with AB type pressure limitation for superior command. Select 'A' for electrical ON/OFF on side A, or 'B' on side B, each meticulously designed for ultimate precision and functionality.
(14) Operation Modes: Dive into a vast array of operation modes, engineered for adaptability and precision. 'A(1,2)' offers manual operation with options for either a long or short handle. 'E' features electric proportional control, while 'EA(1,2)' harmonizes this with manual operation for supreme flexibility. 'D' enables electric switching value control, enhanced by 'DA(1,2)' for manual capabilities. 'M' is specialized for manual friction positioning with an extended handle. Experience 'H' and 'F' for dedicated hydraulic control, expertly aligning or orienting pilot oil ports perpendicularly, ensuring all-encompassing control solutions.
(15) Ancillary Block Port Sizes: Revolutionize adaptability with our meticulously crafted port size selections. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each engineered for easy integration and adaptability, assuring top-tier performance across diverse systems.
(16) End Plate Options: Discover our extensively engineered end plate solutions. 'E1' acts as the standard, offering an external discharge of pilot oil and an oil return control port T. 'E2' adds an additional port Y for increased versatility. 'E3' incorporates a 2-position, 3-way magnetic ball valve, elevating system pressure to match safety valve levels upon activation, delivering exceptional performance.
E4 mirrors 'E1', incorporating an innovative internal discharge of pilot oil paired with a sealed port T, boosting efficiency. 'E5' echoes the robust features of 'E2' with an internal discharge for peak performance. 'E6' embodies the sophisticated design of 'E3', providing advanced discharge control for highly complex system needs.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and dependable range, including G12-12VDC, designed to ensure safety and reliability even under the most challenging conditions. Our options are crafted to offer specialization and robust security.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 been a beacon in the hydraulic industry, distinguished by our relentless pursuit of innovation and unmatched excellence. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, exemplifying our steadfast commitment to technological advancement and superior quality. Our exceptional expertise spans meticulous research, pioneering development, precise manufacturing, and strategic distribution of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we consistently pursue excellence, reinforcing our leadership in the field.
At the core of our product line is the flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel represents the pinnacle of cutting-edge hydraulic system control and is meticulously designed for construction machinery and robust heavy-duty equipment. It plays a crucial role in critical applications ranging from emergency rescue operations to tunnel engineering, mining projects, and the deployment of municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers drives the advancement of core hydraulic component localization for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our endeavor to deliver exceptional products, unmatched services, and innovative solutions. With a vision to become a globally trusted supplier of premier hydraulic components, we continuously aim to set new standards of excellence on the international stage.
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}