Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the pinnacle of hydraulic innovation, flawlessly integrating pressure, flow, and directional control into one seamless masterpiece. Offering exceptional performance and reliability across diverse applications, these valves are comprised of three critical functional modules: connecting blocks, directional valves, and end plates. Each component is meticulously crafted for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. These valves precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Furthermore, they enable multiple actuators to function simultaneously under varying loads, providing unparalleled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing steadfast and reliable operation in every environment. Conversely, 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 when efficiency is crucial. With state-of-the-art engineering and energy-efficient design, HLPSV valves are 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 consistent and steadfast performance, ensuring smooth and efficient operations across your entire system. Trust in its ability to maintain flawless functionality.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and versatility, offering extraordinary flexibility to seamlessly meet a broad spectrum of operational requirements. Experience unparalleled adaptability with this exceptional component.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, creating a dependable framework for operations::
2-G3/8; Engineered with compact proficiency, this design supports streamlined and seamless operational flows with unmatched efficiency.
3-G1/2; Crafted for robustness and reliability, this element offers a solid foundation, ensuring your system's integrity remains uncompromised.;
4-G3/4; Featuring advanced connectivity, this component provides superior control, enhancing system integration like never before.;
5, 55-G1; With superior flow rates, it is ideal for high-demand applications, ensuring consistent, reliable performance even in the most challenging scenarios.;
6-G1 1/4; Delivering unrivaled performance, this design excels in demanding environments, tackling challenges with ease and efficiency.;
(3) Additional Components and Specifications - Raising system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted foundation, meticulously crafted to meet essential operational requirements, ensuring steadfast performance.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, elevating the overall efficiency of your system to unparalleled heights.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, propelling performance and dependability to new peaks.;
(4) Pilot Oil Circuit Pressure Options - Delivering custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions crafted to seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and control with precision: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 our latest marvel in hydraulic engineering: the precision-crafted pressure limiting valve for secondary pressure (F50). Set at a specifically defined pressure value, this state-of-the-art component is engineered to elevate safety standards, enhancing operational security and reliability to levels previously unattained.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of hydraulic versatility and precision with adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, seamlessly fulfilling diverse hydraulic needs. With the /NF configuration, enjoy systems crafted meticulously without a pressure limiting valve, specifically designed for HLPSV, offering unmatched pressure control for varied applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design excellence, masterfully crafted to meet every application need, ensuring you receive a product precisely tailored to your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Complete with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, this setup is a testament to seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a versatile range of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 exceptional efficiency.
(10) Valve core function symbols: Explore an expansive array of core function symbols: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for outstanding performance and reliability.
(12) Secondary pressure limitation options: Select from these options: 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 unyielding system safety.
(13) Function ON/OFF and pressure outlet options: Customize your 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 meticulously engineered for precise control and functionality.
(14) Operation modes: Choose from a comprehensive palette of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for all-encompassing and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our precisely engineered choices: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is meticulously crafted to ensure seamless adaptation and flawless integration into a variety of sophisticated systems.
(16) End plate options: Dive into our thoughtfully crafted end plate solutions: E1, the standard choice, provides external pilot oil discharge and external oil return control port T; E2, akin to E1, is enhanced with an additional Y port for superior flexibility; E3 features an innovative 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels upon activation.
E4, designed similarly to E1, ingeniously integrates internal pilot oil discharge with a sealed port T; E5 replicates E2's features with internal discharge for peak performance; E6 embodies the advanced design of E3, ensuring sophisticated discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure, compatible spectrum, such as G12-12VDC, expertly crafted for safety and precision in the most demanding 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 proudly emerged as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our reputation as a national high-tech enterprise is deeply ingrained in our ethos. Our unmatched expertise lies in the meticulous research, development, manufacturing, and sales of high-caliber hydraulic components. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are fortified by an unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence distinctly positions us as leaders in our domain, setting benchmarks for the industry.
Our flagship product, the enhanced Safety Atex Valve, stands as a pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly partake in strategic collaborations with numerous leading domestic manufacturers, significantly advancing 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 steadfastly commit to delivering exceptional products, services, and solutions. Our mission is to ascend 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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