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 reliability, consistently delivering steadfast performance. This pump ensures smooth, efficient operations, making it an indispensable component for your system.;
HLPSV: Variable Displacement Pump - A marvel of adaptability and versatility, offering extraordinary flexibility to meet a wide range of operational needs with unparalleled efficiency.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, shaping a trustworthy operational framework::
2-G3/8; Crafted with compact proficiency, designed to support streamlined, seamless operational flows, ensuring efficient system function.
3-G1/2; Robustly engineered for unmatched reliability, providing a strong foundation for the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced integration for your system.;
5, 55-G1; Designed with superior flow rates, perfect for high-demand applications, ensuring consistent, dependable performance.;
6-G1 1/4; Providing unmatched performance, expertly crafted to excel in challenging environments, effortlessly tackling any obstacle.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to fulfill essential operational requirements with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving performance and dependability to new heights.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly meet specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance efficiency and control effortlessly: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;D/F - Introducing an impeccably designed, state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), endowed with a specifically defined pressure value. Revel in the marvel of engineering that it is, meticulously crafted to elevate advanced safety measures, optimizing operational security and reliability like never before, ensuring peace of mind and efficiency.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with our adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This cutting-edge component embodies adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, relish in systems devoid of a pressure limiting valve, ingeniously crafted for HLPSV, delivering extraordinary pressure control across a diverse 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 masterclass in design, expertly crafted to satisfy every application, guaranteeing a product that is perfectly aligned with your specific needs and requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a selection 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 exceptional precision and unparalleled efficiency.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve pinnacle efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and unwavering reliability.
(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 uncompromised system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options including: 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 optimized 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 combination 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your system's adaptability with our precisely engineered port size options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each selection is masterfully crafted to offer seamless integration, ensuring flawless performance across diverse applications.
(16) End plate options: Discover our meticulously crafted end plate selections, each designed for optimal functionality: E1, your reliable standard, features an external discharge of pilot oil and an external oil return control port T; E2 builds upon E1's capabilities with the addition of port Y for enhanced flexibility; E3 includes a 2-position 3-way magnetic ball valve, allowing system pressure to reach safety valve levels upon activation, ensuring efficient and safe operations.
E4, crafted with the same precision as E1, incorporates an innovative internal discharge of pilot oil and a sealed port T; E5 mirrors E2's capabilities, offering internal discharge for peak performance; E6 embodies the advanced sophistication of E3, delivering superior discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and expertly tailored range, including options like G12-12VDC, designed for safety and specialization in the most challenging environments, ensuring reliable and robust performance.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 a trailblazing spirit of innovation and excellence. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly bear the mantle of a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of top-tier hydraulic components sets us apart. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological progress and superior quality. This unwavering dedication solidifies our position as frontrunners in our field.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Designed with precision for construction machinery and heavy-duty equipment, this versatile component is pivotal for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a vital role in the localization of 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 remain unwavering in our dedication to providing outstanding 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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