Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. 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 precisely 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 enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly 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 might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal combination 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. Experience the superior dependability that keeps your operations running like clockwork.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements. Tailored to adjust to the ever-changing demands, it allows for seamless transitions and superior control.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Meticulously crafted for flawless performance, enhancing reliability in every application.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees optimal performance even in the tightest spaces.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity. Built to last, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration. Bringing sophistication and efficiency together to elevate your system's operational prowess.;
5, 55-G1; Equipped with 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 unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly. Setting new benchmarks in power and performance.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights: Unleashing the 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 steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system. Ensures your operations are fine-tuned for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability. Pushes the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored to your needs, providing precision control that aligns perfectly with your operational objectives.0 - Opt for no pressure reducing valve; 1 - Choose a pressure reducing valve (20 bar); 2 - Select a pressure reducing valve (40 bar). Introducing bespoke solutions designed to seamlessly align with your operational needs, our customizable configurations ensure you achieve your desired operational excellence effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control: Specifically crafted to optimize system performance, providing unmatched control and supreme effectiveness.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. Offering precision-engineered tuning for exceptional system efficiency.D/F - Introducing a cutting-edge, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), expertly crafted to uphold a specifically defined pressure value. This engineering masterpiece significantly elevates advanced safety measures, enhancing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings from 63 to 400 bar levels. This component epitomizes adaptability, perfectly meeting every hydraulic need. The /NF configuration is masterfully crafted for HLPSV, delivering exceptional pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series. Each series represents a pinnacle of design excellence, expertly crafted to address every application, ensuring you receive a product that perfectly aligns with 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 auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, upgraded inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a diverse range 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: 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 reliability.
(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, all meticulously measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your hydraulic control experience by customizing it with our versatile options. Choose 'N' for no function ON/OFF or pressure outlet to maintain simplicity. Opt for 'X' with C type pressure limitation for enhanced control. Select 'S/S1' for AB type pressure limitation, ensuring precise pressure management. For tailored electrical control, 'A' provides ON/OFF on side A, while 'B' offers ON/OFF on side B. Each option is meticulously crafted for impeccable control and unmatched functionality.
(14) Operation Modes: Discover a spectrum of operation modes designed to meet diverse needs. Choose 'A(1,2)' for manual operation with an optional long or short handle for user-friendly control. Select 'E' for electric proportional control, or 'EA(1,2)' to blend it with manual operation for flexibility. Opt for 'D' for electric switching value control or 'DA(1,2)' for combining this with manual operation, delivering unparalleled versatility. Choose 'M' for manual friction positioning with a long handle, ideal for precise positioning. 'H' offers pure hydraulic control aligning pilot oil ports with A and B. 'F' provides pure hydraulic control with perpendicular pilot oil ports, ensuring comprehensive and accurate control.
(15) Ancillary Block Port Sizes: Experience adaptability redefined with our precisely engineered port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each option is crafted for seamless integration and flexibility, enhancing system performance across a variety of applications, ensuring reliability and efficiency.
(16) End Plate Options: Explore our expertly crafted end plate solutions: 'E1' is your standard choice, providing external discharge of pilot oil and an external oil return control port T for consistent performance. 'E2' enhances 'E1' by including port Y for increased flexibility. 'E3' incorporates a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak operational efficiency.
End Plate Continuations: 'E4' mirrors 'E1' with an innovative internal discharge of pilot oil and a sealed port T, maximizing efficiency. 'E5' combines the robust features of 'E2' with internal discharge, ensuring optimal performance. 'E6' reflects the advanced design of 'E3', offering refined discharge control, meeting the demands of complex systems with precision and reliability.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our secure and robust range, including the G12-12VDC, crafted for safety and reliability in the toughest conditions. Our specialized options provide both security and high performance, tailored to meet the most stringent of application demands.G24: A standard choice in our voltage selection, ensuring compatibility and efficiency across various applications.-: A placeholder for further customizations or specific user requirements.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Our voltage options are designed to ensure reliability, adaptability, and safety, meeting diverse operational needs and environments.12: An integral component of our voltage offerings, crafted for efficient performance and compatibility.bb621436: A unique identifier for product tracking and quality assurance.
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly operate as a national high-tech enterprise, demonstrating our unwavering dedication to technological advancement and superior quality. Our unparalleled expertise encompasses the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, solidifying our position as industry leaders.
Our flagship innovation, the enhanced Safety Atex Valve, epitomizes the pinnacle of cutting-edge hydraulic system control. This meticulously engineered component is designed for use in construction machinery and heavy-duty equipment, playing a crucial role in essential 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, greatly 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 are unwavering in our pursuit of delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the world 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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