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 - The blueprint for reliability and adaptability, essential for maintaining a robust and versatile hydraulic system.
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework for your hydraulic system::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, ensuring consistent performance.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity and smooth operations.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration for optimal performance.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance in all situations.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly with maximum efficacy.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights, pushing the boundaries of performance and reliability::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements with precision and durability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency and responsiveness of your hydraulic system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability in every operation.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, tailored to perfection:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands with precision and reliability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with state-of-the-art design: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; Delivering precise operational control tailored to your system's unique needs.D/F - Discover the future of hydraulic safety with this precision-engineered pressure limiting valve for secondary pressure (F50). This awe-inspiring marvel of engineering is meticulously crafted to elevate operational security and reliability to unprecedented levels, ensuring advanced safety measures that are thoroughly optimized and enhanced like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility and precision with adjustable pressure settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, seamlessly meeting every hydraulic requirement. Experience the /NF configuration, crafted without a pressure limiting valve, designed meticulously for HLPSV to deliver unparalleled pressure control across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterwork of design, expertly conceived to match every application, ensuring a product that perfectly aligns with your exact 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, engineered with mastery for seamless and flawless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 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 extraordinary precision and remarkable efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering 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 measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic experience 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 exacting control and enhanced functionality.
(14) Operation modes: Choose from a variety 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, all crafted for comprehensive and precise operational control.
(15) Ancillary block port sizes: Experience versatility with our expertly engineered options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Each option is crafted for seamless adaptability and flawless integration into diverse hydraulic systems, ensuring that your equipment performs at its best.
(16) End plate options: Discover our meticulously designed end plate solutions. E1 offers an external discharge of pilot oil along with an external oil return control port T, making it a standard choice. E2, similar to E1, provides added flexibility with an additional port Y. E3 elevates your system's functionality with a 2-position 3-way magnetic ball valve that boosts system pressure to safety valve levels when activated, ensuring robustness and reliability.
E4, designed akin to E1, innovatively integrates an internal discharge of pilot oil and features a sealed port T for enhanced safety. E5 mirrors the features of E2 but incorporates an internal discharge, optimizing performance. E6 reflects the sophisticated design of E3, offering advanced discharge control across every variant, ensuring your system's precision and efficiency.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including G12-12VDC, specifically crafted for safety and specialization in the most demanding applications, ensuring peace of mind and superior performance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has proudly stood as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we uphold our identity as a distinguished national high-tech enterprise. Our unmatched expertise spans the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our relentless dedication to technological advancement and superior quality. With this steadfast commitment, we continue to lead the field with authority and prestige.
Our flagship offering, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control, meticulously designed for construction machinery and heavy-duty equipment. This versatile and indispensable component is essential for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of 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 remain steadfast 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 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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