Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels exemplify the pinnacle of hydraulic innovation, effortlessly merging pressure, flow, and directional control into one cohesive and sophisticated system. This ensures extraordinary performance and reliability across a myriad of applications. Comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, essential for top-tier engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unparalleled performance and versatility for a wide range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, positioning them as the ultimate choice for applications where efficiency is paramount. With their state-of-the-art 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 - Your guide to the intricate connections that power our innovative technology.
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering unwavering and consistent performance to ensure smooth and efficient operations throughout your system, regardless of demand.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a vast array of operational requirements, adapting effortlessly to your ever-changing needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, ensuring efficiency in every task.
3-G1/2; Engineered for robustness and reliability, providing a steadfast foundation for your system's integrity, standing strong through all challenges.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, driving performance to new heights.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance that meets your every need.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly with precision and power.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights with meticulously crafted solutions::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements with precision and durability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system, allowing you to fine-tune performance with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, ensuring your system runs smoothly and efficiently.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to your unique needs: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 with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with innovative solutions: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; Each option crafted for precision control and optimal system performance.D/F - Introducing our cutting-edge pressure limiting valve for secondary pressure (F50), a true marvel of precision engineering. Meticulously calibrated with a distinct pressure value, this innovation guarantees advanced safety measures, significantly elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in adaptability and precision with our adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This versatile component effortlessly meets every hydraulic need with seamless precision. Designed for systems without a pressure limiting valve, our /NF configuration is expertly crafted for HLPSV, providing unparalleled pressure control across a diverse range of applications.
(7) Product Series Classification - A Benchmark of Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies design mastery, meticulously tailored to meet every application, ensuring you receive a product perfectly aligned with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for seamless and impeccable integration.
(9)Directional valve block inflow controller options: Choose from a versatile array: 1, no inflow controller; 2, standard inflow controller; 4, a sophisticated 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 designed to deliver precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each skillfully crafted to meet specific functional requirements.
(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 reliability.
(12) Secondary pressure limitation options: Select 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 expressed in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your experience with options such as: 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 designed for precision control and functionality.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our expertly engineered options tailored for seamless adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously crafted to ensure flawless integration into diverse systems, offering the perfect balance of precision and innovation.
(16) End plate options: Immerse yourself in our range of meticulously designed end plate solutions: E1, your standard choice, provides an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is enhanced with an additional port Y, delivering added flexibility for sophisticated applications; E3, elevates functionality with a 2-position 3-way magnetic ball valve, boosting system pressure to the safety valve's levels when activated.
E4, crafted with the precision of E1, creatively integrates an internal discharge of pilot oil with a sealed port T for superior performance; E5 mirrors the flexibility of E2, offering an internal discharge for enhanced efficiency; E6 embodies the advanced design of E3, providing sophisticated discharge control across every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and tailored range, including G12-12VDC, engineered for safety and exceptional performance in the most rigorous applications, ensuring peace of mind in every use.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Unveiling our flagship marvel, the enhanced Safety Atex Valve-a pinnacle of sophisticated hydraulic system control. This masterfully engineered component is tailor-made for the demanding realms of construction machinery and heavy-duty equipment and is indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our mission to deliver unparalleled products, services, and solutions. Our vision propels us toward becoming a globally recognized supplier of premier hydraulic components, setting groundbreaking standards of excellence.
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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