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
HLPSL: Constant Displacement Pump - The backbone of reliability, this pump ensures unwavering and consistent performance, empowering smooth and proficient operations across your system. Discover the unmatched dependability that keeps your machinery operating like a well-oiled machine, maintaining optimal functionality at all times.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and versatility, this pump offers exceptional flexibility to meet a broad spectrum of operational needs. Specifically crafted to accommodate evolving demands, it facilitates seamless transitions and superior control, ensuring your operations are never hindered.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework. Meticulously crafted with attention to detail, these specifications ensure flawless performance, elevating reliability and enhancing every application they are involved in.:
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, making it an ideal choice for intricate setups.
3-G1/2; Designed for robustness and reliability, this connection provides a solid foundation for your system's integrity. Built to endure, it delivers steadfast durability in the most demanding conditions, ensuring your system's reliability.;
4-G3/4; Featuring advanced connectivity, this specification offers superior control and enhanced system integration. It brings sophistication and efficiency together, elevating your system's operational prowess to new heights.;
5, 55-G1; Offering superior flow rates, this connection is 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. It sets new standards in power and performance, ensuring your operations remain at the cutting edge.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Unlock the full potential of your operations with advanced components that redefine excellence and set new benchmarks for success.:
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 and ensure it operates flawlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system. This component guarantees your operations are finely tuned for maximum effectiveness, delivering optimal results.;
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, ensuring your system's efficiency.;
(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, ensuring precision and efficiency.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Step into a world of innovation with our bespoke solutions, crafted to perfectly suit your operational needs. Enjoy the freedom of customizable configurations that guarantee precision and ease in achieving your goals.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate your systems to new heights: This expertly designed valve optimizes performance, delivering unmatched control and effectiveness, transforming your operational capabilities dramatically.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. Achieve unmatched efficiency and adaptability with precision tuning.D/F - Introducing the pinnacle of precision-engineered pressure limiting valves for secondary pressure (F50). This engineering triumph is crafted to maintain specified pressure values, significantly enhancing safety and operational reliability beyond compare.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar. Designed for adaptability, this component meets every hydraulic demand with the /NF setup, offering superior pressure control for diverse applications.
(7) Product Series Classification - Unveiling Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes a master class in design, crafted to flawlessly address every application, ensuring you receive a product that meets your specific needs and delivers consistent excellence.
(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, impeccably engineered for seamless integration and optimal efficiency.
(9)Directional valve block inflow controller options: Explore our full spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Each option is pre-selectable, offering precision and exceptional efficiency tailored to your exact specifications.
(10) Valve core function symbols: Dive into a diverse array of core functions: L, M, F, H, J, B, R, O, N, each designed with meticulous precision to meet specific functional requirements reliably.
(11) Output flow code for ports A & B: Unlock peak efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for exceptional performance and unwavering dependability.
(12) Secondary Pressure Limitation Options: Discover unparalleled customization with our secondary pressure limitation options. Select 'N' for setups without pressure limiting protection, 'C' for concurrent pressure limitation of actuator ports A & B, or 'A---B---' for independent pressure limitation for each port. Each choice is precisely measured in bar, ensuring exceptional safety and unwavering reliability in your system.
(13) Function ON/OFF and Pressure Outlet Options: Transform your operations with our versatile Function ON/OFF and Pressure Outlet selections. Opt for 'N' for a basic configuration without function ON/OFF or pressure outlet, or choose 'X' with C-type pressure limitation for increased sophistication. 'S/S1' with AB-type pressure limitation provides superior control. For electrical ON/OFF, select 'A' for side A or 'B' for side B, each option meticulously designed for unparalleled precision and functionality.
(14) Operation Modes: Dive into a world of operational versatility with our diverse operation modes. 'A(1,2)' offers manual control with long or short handle options. 'E' delivers electric proportional control, while 'EA(1,2)' blends it with manual operation for maximum adaptability. 'D' features electric switching value control, and 'DA(1,2)' includes manual capabilities. 'M' is crafted for manual friction positioning with a long handle. Explore 'H' and 'F' modes for pure hydraulic control, with thoughtfully aligned or perpendicular pilot oil ports, ensuring comprehensive management of your system.
(15) Ancillary Block Port Sizes: Embrace flexibility with our meticulously crafted ancillary block port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each selection is engineered for impeccable integration and adaptability, promising superior performance across diverse systems.
(16) End Plate Options: Discover our range of expertly designed end plate solutions. 'E1' stands as the standard, featuring external discharge of pilot oil with an oil return control port T. 'E2' enriches this with an extra port Y for enhanced versatility. 'E3' incorporates a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when operated, ensuring superior performance under demanding conditions.
E4 mirrors 'E1', offering an innovative internal discharge of pilot oil with a sealed port T, boosting efficiency. 'E5' replicates 'E2' with an internal discharge for optimal functionality. 'E6' reflects 'E3', delivering advanced discharge management for complex system demands.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable voltage options, including G12-12VDC, tailored for safety and dependability even in the most challenging environments. Our selections are crafted to provide specialized security and robust functionality.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 of innovation and excellence in the hydraulic industry. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), our stature as a national high-tech enterprise underscores our commitment to technological advancement and exceptional quality. We specialize in the rigorous research, groundbreaking development, precise manufacturing, and strategic sales of top-tier hydraulic components. Celebrated as a national leader in 'specialized, refined, and innovative' technologies, we are dedicated to maintaining our leadership role by consistently pursuing excellence.
At the core of our product offerings is our flagship innovation: the Enhanced Safety Atex Valve. This marvel of modern engineering represents the pinnacle of hydraulic system control technology, crafted with precision for use in construction machinery and heavy-duty equipment. It is indispensable in critical applications such as emergency rescue, tunnel engineering, mining operations, and municipal service vehicle deployment. We proudly forge strategic alliances with leading domestic manufacturers to advance the localization of key hydraulic components for high-end mechanical equipment. Guided by our philosophy of serving customers through technology, impressing with our attitude, and retaining with quality, we are dedicated to offering exceptional products, unmatched services, and innovative solutions. With the vision to become a globally trusted supplier of superior hydraulic components, we strive 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.
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