Introducing a revolutionary chapter in hydraulic technology with our HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not merely components; they are a masterpiece of engineering excellence, epitomizing cutting-edge hydraulic innovation. Harmoniously uniting pressure, flow, and directional control into a seamless unit, these valves deliver extraordinary performance and reliability in every project. Comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are crafted with precision for integration into top-tier hydraulic systems, essential for high-caliber engineering machinery. They precisely regulate the direction and speed of hydraulic cylinders, motors, and other actuators, providing unrivaled accuracy and control. Key features include a sleek, compact design, superior energy efficiency, and the ability for smooth, stepless speed control. Additionally, they enable concurrent operation of multiple actuators under varying loads, delivering unparalleled versatility and performance across diverse applications.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any situation. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a marginally slower response time, their outstanding energy-saving capabilities distinguish them as the ultimate choice when efficiency is paramount. With cutting-edge engineering and energy-conserving design, HLPSV valves ascend as the premier solution for sophisticated hydraulic control needs, offering a flawless fusion of precision, reliability, and energy 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 - This steadfast cornerstone of dependability delivers unwavering and consistent performance, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, this pump offers exceptional flexibility to cater to a wide spectrum of operational requisites.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is designed to support smooth and uninterrupted operational flows.
3-G1/2; Engineered for robust performance and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, this offers superior control and enhances system integration.;
5, 55-G1; With superior flow rates, it's perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering peerless performance, this component is expertly designed to thrive in challenging environments and tackle obstacles seamlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A foundation of reliability, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, thereby enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - The normally open magnetic ball valve initiates pump pressurization when energized, effortlessly allowing unloading when de-energized; D - The normally closed magnetic ball valve is designed to facilitate pump unloading when energized, and pressurization when de-energized;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, uniquely crafted for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, dramatically enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings extending from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a vast array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs.
(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, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from a diverse array: 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, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide 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 uncompromised system safety.
(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 functionality.
(14) Operation modes: Empower your operations with a versatile selection of modes, meticulously designed for optimal performance. Choose from: A(1,2), offering manual operation with flexible long or short handles; E, featuring sophisticated electric proportional control; EA(1,2), an innovative blend of electric proportional and manual control; D, enabling electric switching value control; DA(1,2), a seamless integration of electric switching and manual operations; M, providing manual friction positioning with an extended handle; H, pure hydraulic control aligning pilot oil ports with ports A and B; and F, pure hydraulic control with perpendicular pilot oil ports for precision. Each mode is meticulously engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Experience precision at its finest with our expertly crafted port size options, seamlessly adaptable for any integration. Choose from meticulously designed options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is engineered to deliver unparalleled flexibility, ensuring your exact requirements are met with the highest level of efficiency.
(16) End plate options: Dive into our remarkable range of finely engineered end plate solutions. E1 is the standard, featuring external discharge of pilot oil with an external oil return control port T. Upgrade to E2 for an enhanced solution with an additional port Y. E3 offers groundbreaking innovation, integrating a 2-position 3-way magnetic ball valve that elevates your system's pressure to the utmost safety valve levels when energized, ensuring superior performance and reliability.
E4, akin to E1, offers internal discharge of pilot oil with a sealed port T. E5 mirrors the excellence of E2, now with internal discharge capabilities. Experience the future with E6, echoing the advanced design of E3. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our array of tailored solutions. Opt for G12-12VDC, perfect for specialized applications demanding unparalleled safety and compatibility.G24: Your essential choice for robust performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic decisions with these options, crafted for maximum efficiency and adaptability across diverse and challenging environments.12: A paragon of precision and reliability, designed for flawless integration into your systems.bb621436: The epitome of excellence, setting a benchmark in our innovative design.
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.
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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