Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. 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, making them the ultimate choice for applications where efficiency is paramount. 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
HLPSL: Constant Displacement Pump - The cornerstone of dependable operations, delivering unwavering performance to ensure your system's efficiency and smooth functionality.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering remarkable versatility to seamlessly align with a multitude of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with dependability, crafting a robust operational framework::
2-G3/8; Tailored for compact efficiency, designed to facilitate coherent and seamless workflow processes.
3-G1/2; Built for enduring sturdiness and trustworthiness, offering a steadfast foundation for system integrity.;
4-G3/4; Advanced connectivity at its best, providing superior control and enhanced integration within your systems.;
5, 55-G1; With exceptional flow rates, perfectly suited for high-demand scenarios, assuring consistent and reliable performance.;
6-G1 1/4; Unparalleled performance in the most challenging environments, designed with expertise to effortlessly tackle any challenge.;
(3) Additional Components and Specifications - Propelling system capabilities to unprecedented heights::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet every essential operational requirement.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting your 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 - Tailored pressure control solutions for a multitude of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Expertly providing solutions to perfectly suit your operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing 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; Strategically designed for optimal efficiency and seamless control.D/F - Equipped with a precision-engineered pressure limiting valve for secondary pressure (F50) with a defined pressure value, this cutting-edge feature ensures advanced safety measures are in place to enhance operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience versatility and unmatched precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component stands as a testament to adaptability, catering to all hydraulic needs. For streamlined configurations, /NF indicates no pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, expertly designed to match every application, ensuring you receive a product that perfectly aligns 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from a range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and outstanding efficiency.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for superior performance and reliability.
(12) Secondary pressure limitation options: Opt for: 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.
(13) Function ON/OFF and pressure outlet options: Customize 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 functionality.
(14) Operation modes: Select from diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience the versatility with our adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These expertly engineered port sizes ensure seamless adaptability and integration into your existing systems, offering you flexibility and efficiency.
(16) End plate options: Explore our range of finely tailored end plate solutions designed for precision and performance. E1 is our standard option, featuring an external discharge of pilot oil and an external oil return control port T. E2 closely mirrors E1 but is enhanced with an additional port Y for even greater control. E3 is equipped with a 2-position 3-way magnetic ball valve that elevates your system's pressure to safety valve levels when powered, ensuring optimal system performance.
E4 offers an innovative design similar to E1, but with an internal discharge of pilot oil and a sealed port T, providing a more secure and efficient operation. E5 mirrors E2, featuring the same internal discharge for enhanced functionality. E6 reflects the sophistication of E3, completing our range with each variant ensuring advanced discharge control and reliable performance.
(17) Control voltage and anti-explosion cable options: Choose from a comprehensive range of secure and compatible options like G12-12VDC, meticulously tailored for safety and specialized applications in demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our auspicious beginnings in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of groundbreaking innovation and unparalleled excellence within the hydraulic industry. As an esteemed branch of the prestigious China Baoan Group (stock code: 000009), we proudly claim the title of a distinguished national high-tech enterprise. Our expertise is deeply rooted in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as frontrunners and innovators in our field.
Our enhanced Safety Atex Valve, the flagship product of our portfolio, epitomizes the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is an indispensable asset in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are profoundly proud of our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 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 across the globe.
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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