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 unwavering reliability, this essential component guarantees consistent and unfaltering performance, ensuring your system's operations are always smooth, seamless, and highly efficient.;
HLPSV: Variable Displacement Pump - A paradigm of supreme adaptability and versatility, this pump offers extraordinary agility and flexibility, perfectly catering to a diverse range of operational needs and requirements with grace and precision.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, establishing a solid and trustworthy operational framework::
2-G3/8; Exquisitely crafted for compact efficiency, this design supports streamlined, seamless operational flows for optimal performance.
3-G1/2; Engineered for unyielding robustness and dependability, this connection forms a solid foundation, ensuring the integrity of your entire system.;
4-G3/4; With advanced connectivity features, this connection offers superior control and significantly enhances system integration for unparalleled functionality.;
5, 55-G1; Equipped with exceptional flow rates, this connection is ideal for high-demand applications, ensuring performance that is both consistent and reliable.;
6-G1 1/4; Delivering unmatched, top-tier performance, this expertly designed connection excels in demanding environments, tackling challenges with effortless grace and efficiency.;
(3) Additional Components and Specifications - Elevating your system capabilities to exceptional heights of performance and reliability::
C,Standard Type - A foundation of reliability and trust, meticulously designed to ensure all essential operational requirements are met with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and performance of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving your system to unparalleled heights of performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke, tailored pressure control solutions for a wide variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Skillfully crafted to provide customized solutions that seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with cutting-edge technology:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when energized, unloading it when de-energized; D - Normally closed magnetic ball valve, unloads the pump when energized, pressurizes it when de-energized;D/F - This state-of-the-art precision-engineered pressure limiting valve is designed for secondary pressure (F50) and comes with a clearly defined pressure value. This pivotal feature guarantees advanced safety measures, significantly bolstering the operational security and reliability of your truck crane equipment.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This adaptable component is a hallmark of precision, meeting all your hydraulic requirements. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, expertly crafted for HLPSV, delivering impeccable pressure management across a multitude of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies engineering mastery, crafted with precision to complement every application, ensuring a product that aligns flawlessly 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, each element meticulously engineered for an impeccably smooth and seamless integration process.
(9)Directional valve block inflow controller options: Choose from an extensive range: 1, without inflow controller; 2, standard inflow controller; 4, 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 unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with the utmost precision.
(11) Output flow code for ports A & B: Experience maximum efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Select 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 a steadfast commitment to system safety.
(13) Function ON/OFF and pressure outlet options: Tailor to your needs 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 exceptional functionality.
(14) Operation modes: Choose from diverse 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from our versatile selection of adaptable options, carefully crafted for seamless adaptability and integration within your systems: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each option is expertly engineered to ensure a perfect fit for your needs.
(16) End plate options: Uncover our expertly tailored end plate solutions designed to offer you unmatched flexibility and performance. E1 is the standard choice, featuring an external discharge of pilot oil and an external oil return control port T. E2 builds upon E1 by adding an extra port Y; E3 is equipped with a 2-position 3-way magnetic ball valve, which boosts your system's pressure to safety valve levels upon activation, ensuring superior safety and reliability.
E4, ingeniously designed to mirror E1, yet integrates an internal discharge of pilot oil with a sealed port T for enhanced system efficiency. E5 replicates E2 but also showcases an internal discharge. E6 is a testament to the refinement found in E3, with each variant offering cutting-edge discharge control to meet the demands of modern applications.
(17) Control voltage and anti-explosion cable options: Select from a comprehensive array of secure and highly compatible choices, such as G12-12VDC. Each option is tailored for safety and specialization, making them ideal for use in demanding environments where reliability is paramount.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 represents the pinnacle of our innovative hydraulic solutions and is our flagship product. This load-sensitive proportional valve stands as a testament to advanced hydraulic system control. Ingeniously crafted for construction machinery and heavy-duty equipment, it proves indispensable in high-stakes applications like 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 top-tier mechanical equipment. Our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives us to deliver 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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