Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the epitome of hydraulic innovation, seamlessly weaving together pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unmatched performance and reliability across every application. Comprising three core functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted to integrate seamlessly into high-end hydraulic systems, indispensable for top-tier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to function simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. Alternatively, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in providing exceptional energy-saving performance, making them the ultimate choice for applications where efficiency takes precedence. 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 - Defining the Core of System Efficiency
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system, guaranteeing unmatched stability.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements, tailored to meet evolving needs.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework: Ensuring unparalleled system integrity.:
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, offering superior compatibility.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, guaranteeing sustained durability.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, facilitating optimal performance.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance, delivering exceptional throughput.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly, redefining resilience.;
(3) Additional Components and Specifications - Elevating System Capabilities to New Heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements, ensuring seamless functionality.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system, optimizing performance outcomes.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, ensuring operational excellence.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications: Tailored to your unique system requirements.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands, facilitating customized precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing Efficiency and Control: Revolutionizing operational 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; Delivering strategic control for optimal system performance, ensuring seamless transitions.D/F - Equipped with a meticulously precision-engineered pressure limiting valve for secondary pressure (F50), set at a defined pressure value, this state-of-the-art feature ensures unparalleled safety measures are in place, significantly enhancing both operational security and reliability. Experience peace of mind with our advanced engineering.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into a world of versatility and unparalleled precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to superior adaptability, catering to all your hydraulic needs. For streamlined and efficient configurations, /NF indicates no pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, expertly designed to perfectly align with every application, guaranteeing a product that precisely matches your unique needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including meticulously crafted ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth and seamless integration, enhancing your operational framework.
(9)Directional valve block inflow controller options: Customize with an extensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, all promising precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional demands.
(11) Output flow code for ports A & B: Harness maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed for superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety and precision.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 flawless functionality.
(14) Operation modes: Choose from diverse, innovative operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless fusion 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, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Opt from adaptable, expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and integration, ensuring effortless compatibility with your system.
(16) End plate options: Explore our meticulously crafted end plate solutions designed to perfectly meet your system's needs. Choose E1, the standard option, which offers an external discharge of pilot oil accompanied by an external oil return control port T. For those seeking enhanced functionality, E2 is a close match to E1 but comes with an additional port Y for increased versatility. Step up to E3, which is outfitted with a 2-position 3-way magnetic ball valve, a feature that ensures your system's pressure is elevated to safety valve levels when powered. These options provide a comprehensive range of choices to suit varied requirements.
E4, while similar in design to E1, incorporates a revolutionary internal discharge of pilot oil and a sealed port T, providing a compact and efficient solution. E5 mirrors the functionality of E2 but takes it further with an internal discharge feature, making it a prime choice for advanced applications. E6, reflecting the sophistication and innovation of E3, offers superior discharge control, ensuring each variant meets the highest standards of precision and reliability for your system's needs.
(17) Control voltage and anti-explosion cable options: Select from a spectrum of secure, compatible options crafted for safety and specialization, even in the most demanding settings. Choose G12-12VDC, a tailored solution that meets rigorous safety and specialization requirements with ease.G24 - A reliable and versatile choice for control voltage needs, ensuring optimal performance and safety.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Explore our range of control voltage options, each meticulously designed to meet specific application demands with maximum efficiency and safety.12 - A simplified voltage solution that ensures compatibility and reliability across various applications.bb621436 - A unique identifier for easy reference and streamlined operations, ensuring precise tracking and management.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product of Jiangsu KM Hydraulic Control System Co., Ltd., represents the zenith of advanced hydraulic system control technology. This load-sensitive proportional valve showcases expert engineering tailored for construction machinery and heavy-duty equipment. It is essential for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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.
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