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 and consistency, designed to deliver unwavering performance, ensuring seamless and efficient operations throughout your hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and versatility, offering outstanding adaptability to meet a broad spectrum of operational demands with precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework::
2-G3/8; Designed for compact efficiency, structured to facilitate streamlined and smooth operational flows.
3-G1/2; Built for strength and dependability, offering a robust foundation for the integrity of your system.;
4-G3/4; Featuring state-of-the-art connectivity, ensuring superior control and enhanced integration with your system.;
5, 55-G1; Boasting exceptional flow rates, ideal for high-demand applications, ensuring steady and reliable performance.;
6-G1 1/4; Delivering extraordinary performance, expertly crafted to thrive in challenging environments and tackle obstacles effortlessly.;
(3) Additional Components and Specifications - Enhancing system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted foundation, precisely engineered to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, elevating the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional 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 seamlessly accommodate your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization when powered, and allows unloading when unpowered; D - Normally closed magnetic ball valve, facilitates pump unloading when powered, and ensures pressurization when unpowered;D/F - Elevate your safety standards to new heights with our masterfully precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50). This cutting-edge feature ensures the highest level of safety protocols, remarkably enhancing operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover a new realm of versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component is a testament to adaptability, perfectly suited to meet various hydraulic needs. For flawless configurations, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, ensuring perfect pressure management across a diverse range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a magnificent engineering feat, meticulously designed for a variety of applications, offering a product that aligns seamlessly with your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly constructed for seamless integration and optimal operation.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, engineered specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered to deliver precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with premier output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed for superior performance and 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with choices 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 option meticulously engineered for precise control and functionality.
(14) Operation modes: Opt 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 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Immerse yourself in the world of precision engineering with our exquisitely designed ancillary block port sizes, crafted for impeccable adaptability and flawless integration. Choose from our expertly engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each representing the pinnacle of customization, ensuring a perfect match for your specific requirements.
(16) End plate options: Discover our outstanding array of bespoke end plate solutions, precisely tailored to meet your needs. E1 offers the standard configuration, featuring an external discharge of pilot oil and an external oil return control port T. E2 is akin to E1 but is augmented with an additional port Y for enhanced functionality. Unveil the innovation of E3, which incorporates a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve standards when powered, thus ensuring unparalleled performance.
E4, constructed with the precision akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 mirrors the attributes of E2 but with an internal discharge feature. Experience the elegance of E6, echoing the sophisticated design of E3, each variant promises superior discharge control for optimal performance in your system.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our meticulously curated range of solutions. Select from G12-12VDC, ideally suited for unique applications that require unwavering safety and seamless compatibility.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, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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, playing a pivotal role in localizing 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 are resolute 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 worldwide.
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.
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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.
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