Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true testament to hydraulic excellence. These revolutionary engineering creations epitomize the peak of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive and harmonious masterpiece. This ensures unmatched performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, playing a vital role in top-tier engineering machinery. They expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and command. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate in unison under varying loads, offering exceptional performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While the HLPSV valves may exhibit a slightly slower response, they excel in delivering extraordinary energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the top-tier solution for advanced hydraulic control needs, offering an impeccable 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 cornerstone of unwavering reliability, this pump delivers consistent and steadfast performance, ensuring smooth and seamless operations within your hydraulic system.;
HLPSV: Variable Displacement Pump - A hallmark of adaptability and versatile functionality, this pump offers remarkable flexibility to accommodate a diverse array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, crafting an operational framework you can trust::
2-G3/8; Designed for compact efficiency, this port supports streamlined and seamless operational flows.
3-G1/2; Built for robustness and reliability, providing a solid foundation for maintaining your system's integrity.;
4-G3/4; Offering advanced connectivity, this port ensures superior control and enhanced system integration.;
5, 55-G1; With superior flow rates, this port is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging environments and tackle obstacles effortlessly.;
(3) Additional Components and Specifications - Pushing your system's capabilities to unprecedented heights::
C,Standard Type - A dependable and trusted foundation, thoughtfully crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving exceptional performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control: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;D/F - Elevate your safety standards to unparalleled heights with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This state-of-the-art feature ensures stringent adherence to advanced safety protocols, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the epitome of versatility and precision with adjustable pressure settings from 63 to 400 bar. This adaptable component is designed to meet various hydraulic requirements with ease. For flawless configurations, /NF indicates no pressure limiting valve, meticulously tailored for HLPSV, ensuring optimal pressure management across a broad spectrum of applications.
(7) Product Series Classification - Experience the Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as an engineering masterpiece, expertly crafted to address diverse applications, ensuring a product that seamlessly aligns with your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all expertly engineered for seamless integration and flawless operation.
(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: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional criteria with impeccable accuracy.
(11) Output flow code for ports A & B: Achieve maximum efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all expertly designed to deliver superior performance and unwavering 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 uncompromised system safety and precision.
(13) Function ON/OFF and pressure outlet options: Customize 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 option meticulously engineered for precise control and outstanding functionality.
(14) Operation modes: Choose from a wide selection of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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 meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our meticulously designed options that promise seamless adaptability and flawless integration. Select from our expertly engineered choices, including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each offers unmatched flexibility, perfectly tailored to meet your unique requirements.
(16) End plate options: Delve into our outstanding selection of precision-crafted end plate solutions. E1 offers the standard configuration with external pilot oil discharge and an external oil return control port T. E2 enhances E1 with an added port Y for greater versatility. Relish the innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring peak performance.
E4, crafted in the style of E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors E2's capabilities with the internal discharge feature. Uncover the sophistication of E6, echoing the advanced design of E3. Each variant guarantees superior discharge control, optimizing your system's performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our diverse range of tailored solutions. Choose G12-12VDC, ideal for specialized applications requiring unwavering safety and compatibility.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 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, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations 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 ascend 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.
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