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 - Where 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 - Unleash the potential of your operations with our bespoke pressure control solutions for diverse applications. Tailored precisely to your unique requirements, this advanced technology delivers precision control, ensuring your operational objectives are met with unparalleled accuracy.0 - Opt for no pressure reducing valve; 1 - Select a pressure reducing valve (20 bar); 2 - Choose a pressure reducing valve (40 bar). Our solutions are meticulously crafted to seamlessly integrate with your specific operational needs, offering customizable configurations that guarantee you achieve your desired outcomes effortlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionize your system's efficiency and control. Expertly designed to optimize performance, this valve offers unparalleled control and superior effectiveness, elevating your system's operational prowess.C - Select no magnetic ball valve; F - Choose a normally open magnetic ball valve, pressurizing the pump when powered and unloading when unpowered; D - Opt for a normally closed magnetic ball valve, unloading the pump when powered and pressurizing when unpowered. Experience precision tuning for unmatched system efficiency.D/F - Introducing a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). Crafted with exceptional precision to maintain a specifically defined pressure value, this engineering marvel significantly enhances advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting every hydraulic requirement flawlessly. The /NF configuration expertly crafted for HLPSV delivers unmatched pressure control across diverse applications.
(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, expertly crafted to address every application. Secure a product that perfectly aligns with your specific requirements, epitomizing excellence in design and function.
(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, masterfully engineered to ensure flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a diverse array 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, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Delve into an extensive range of core functions: L, M, F, H, J, B, R, O, N, each ingeniously crafted to satisfy distinct functional requirements.
(11) Output flow code for ports A & B: Attain maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to deliver supreme performance and dependability.
(12) Secondary pressure limitation options: Discover our expertly designed choices: N, for those who prefer no pressure limiting protection; C, for simultaneous pressure limitation of actuator ports A & B; A---B---, offering independent pressure limitation for ports A & B. Each selection is measured with precision in bar to maximize system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your operations with our versatile options: N, omits function ON/OFF or pressure outlet; X, features C type pressure limitation; S/S1, offers AB type pressure limitation; A, enables electrical ON/OFF on side A; B, provides electrical ON/OFF on side B. Each option is crafted for meticulous control and enhanced functionality.
(14) Operation modes: Explore our extensive operation mode selection: A(1,2), manual with a choice of long or short handle; E, electric proportional control; EA(1,2), combines electric and manual control; D, electric switching value control; DA(1,2), merges electric switching and manual operation; M, manual friction positioning with an elongated handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, hydraulic control with perpendicular pilot oil ports, ingeniously designed for comprehensive precision and control.
(15) Ancillary block port sizes: Experience versatility like never before with our intelligently engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each is crafted for seamless adaptability and perfect integration into various systems, ensuring efficiency and excellence in performance.
(16) End plate options: Explore our carefully crafted end plate solutions: E1, the standard option, features external discharge of pilot oil and an external oil return control port T. E2 adds port Y to E1 for increased flexibility; E3 integrates a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring top-tier performance.
E4, similar to E1, innovatively incorporates an internal pilot oil discharge with a sealed port T for improved efficiency. E5 retains the robust features of E2 with an internal discharge, ensuring superior performance. E6 mirrors E3's sophisticated design, providing advanced discharge control to meet intricate system requirements.
(17) Control voltage and anti-explosion cable options: Choose from our secure and reliable range, including G12-12VDC, ensuring safety and dependability even in the toughest environments. Our options are specialized for security and performance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence in the hydraulic industry. Operating proudly as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we are celebrated as a national high-tech enterprise. This reflects 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 committed to excellence, solidifying our leadership position in the field.
Our flagship masterpiece, the enhanced Safety Atex Valve, embodies the pinnacle of cutting-edge hydraulic system control. This expertly crafted component is designed for use in construction machinery and heavy-duty equipment, serving critical roles in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic alliances with leading domestic manufacturers, significantly boosting 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 stand firm in our goal to deliver exceptional products, services, and solutions. Our mission is to become a globally trusted supplier of premier hydraulic components, ceaselessly 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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