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 foundation of reliability, this pump delivers unwavering and consistent performance, ensuring smooth and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering remarkable flexibility to meet a wide array of operational challenges with ease.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly intersects with reliability, establishing a robust operational framework::
2-G3/8; Designed for compact efficiency, supporting streamlined and seamless operational flow.
3-G1/2; Engineered to provide robustness and reliability, forming a solid foundation for your system's integrity.;
4-G3/4; Featuring superior connectivity, facilitating enhanced control and system integration.;
5, 55-G1; Designed with superior flow rates, perfect for high-demand applications, ensuring consistent and trustworthy performance.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments and tackle obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, amplifying the overall efficiency of your system.;
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 for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - This innovative system features a precision-engineered pressure limiting valve tailored for secondary pressure (F50), delivering unparalleled advancements in safety protocols to fortify operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the ultimate flexibility and unmatched accuracy with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, meeting every hydraulic demand. For streamlined configurations, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, guaranteeing unerring pressure management across a spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel, crafted with precision to cater to every application, ensuring a product that seamlessly aligns with your unique requirements.
(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 flawless and seamless integration.
(9)Directional valve block inflow controller options: Explore a variety of choices: 1, without inflow controller; 2, standard inflow controller; 4, an 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: Uncover an all-encompassing suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously tailored to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for premium performance and dependability.
(12) Secondary pressure limitation options: Choose 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 calibrated in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 engineered for precise control and functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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: Select from our versatile assortment of port sizes designed for unmatched adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is expertly crafted to ensure seamless integration and superior performance.
(16) End plate options: Explore our range of meticulously crafted end plate solutions: E1, the standard model, offers external pilot oil discharge with an external oil return control port T; E2, akin to E1, is enhanced with an additional port Y for expanded functionality; E3, featuring a 2-position 3-way magnetic ball valve, boosts your system's pressure to safety valve thresholds upon activation.
E4 mirrors E1's design yet ingeniously incorporates an internal pilot oil discharge, maintaining a sealed port T; E5 parallels E2's form, adding internal discharge for optimized performance; E6 replicates E3's sophistication, ensuring each variant delivers superior discharge control.
(17) Control voltage and anti-explosion cable options: Opt for our range of secure and specialized solutions like G12-12VDC, engineered for safety and precision in even the most challenging applications.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 within the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise of distinction. Our expertise is manifested through our dedicated efforts in the research, development, manufacturing, and sales of top-tier hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we exemplify the epitome of technological advancement and superior quality. Our unwavering commitment to these principles places us firmly at the forefront of our industry.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of hydraulic system control technology. Precisely crafted for construction machinery and heavy-duty equipment, this load-sensitive proportional valve is indispensable for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives us to consistently deliver exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, 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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