Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly weaving together 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 pump delivers continuous and steadfast performance, ensuring seamless and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and versatility, offering remarkable adaptability to meet a broad spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision is synonymous with reliability, crafting a dependable operational structure::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Built for strength and reliability, providing a robust foundation for your system's integrity.;
4-G3/4; Incorporating advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Featuring superior flow rates, perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unparalleled performance, meticulously designed to excel in demanding environments, tackling challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities beyond limits::
C,Standard Type - A steadfast and reliable foundation, artfully designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering extraordinary performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions to flawlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered;D/F - Introducing our revolutionary precision-engineered pressure limiting valve for secondary pressure (F50), crafted with an exact pressure value. This engineering marvel enhances safety measures, ensuring unmatched operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility with adjustable settings ranging from 63 to 400 bar. This symbol of adaptability meets every hydraulic demand with precision. The /NF configuration offers a system without a pressure limiting valve, designed meticulously for HLPSV, providing extraordinary pressure control for diverse applications.
(7) Product Series Classification - Engineering Excellence Personified:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, meticulously crafted to meet every application need, ensuring perfect alignment with your specific 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, engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a variety 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 designed for precision and remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet specific functional needs.
(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 reliability.
(12) Secondary pressure limitation options: Select 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.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 designed for precise control and functionality.
(14) Operation modes: Choose from numerous 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Explore the epitome of versatility with our expertly engineered port options crafted for seamless adaptability: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice is meticulously designed to ensure flawless integration into a myriad of diverse systems, setting new standards in hydraulic engineering.
(16) End plate options: Discover our meticulously crafted end plate solutions tailored to elevate your system's performance. E1, the standard choice, offers external discharge of pilot oil and an external oil return control port T. E2 builds on E1 with an added port Y for enhanced flexibility. E3 transcends with a 2-position 3-way magnetic ball valve that smartly elevates system pressure to safety valve levels upon activation.
E4 mirrors E1 in design, integrating innovative internal discharge of pilot oil with a sealed port T, ensuring seamless operation. E5, echoing E2's features, offers internal discharge for superior performance. E6, with its sophisticated alignment to E3, guarantees advanced discharge control across every variant, redefining efficiency and precision in hydraulic systems.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range designed for superior safety and specialization in demanding applications. Options like G12-12VDC cater to your specific needs, ensuring robust performance under challenging conditions.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 in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Renowned for our unmatched expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components, we stand as a paragon of technological mastery. Being designated as a national 'specialized, refined, and innovative' small giant enterprise elevates our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence clearly positions us as trailblazers in our domain, setting benchmarks for others to follow.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control and embodies cutting-edge innovation. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Anchored 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, unparalleled services, and innovative solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards 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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