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 - This is the bedrock of reliability, expertly crafted to deliver unwavering and consistent performance, ensuring that your system operates smoothly and efficiently with every use.;
HLPSV: Variable Displacement Pump - This marvel of engineering offers unparalleled adaptability and versatility, providing exceptional flexibility to meet a broad spectrum of operational requirements with ease.;
(2) Connection Block Ports P & R Specifications - Where precision fuses with reliability, creating a dependable operational framework::
2-G3/8; Specially crafted for compact proficiency, this design supports streamlined and seamless operational flows effortlessly.
3-G1/2; Engineered with robustness and reliability, providing an unyielding base for maintaining the integrity of your entire system.;
4-G3/4; Featuring advanced connectivity, this design offers superior control and enhanced system integration capabilities.;
5, 55-G1; With superior flow rates, this is perfect for high-demand applications, ensuring consistent and reliable performance every time.;
6-G1 1/4; Delivering unparalleled performance, this is expertly designed to excel in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Taking system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational requirements seamlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system significantly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and dependability.;
(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 meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, and pressurizes it when unpowered;D/F - Discover unmatched operational security and reliability with our precision-engineered pressure limiting valve for secondary pressure (F50). This state-of-the-art feature is designed to implement advanced safety measures, ensuring your truck crane equipment performs with the utmost assurance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unveil a new realm of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This adaptable component stands as a pinnacle of engineering, meeting all hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, perfectly crafted for HLPSV, promising impeccable pressure management across varied applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a piece of unparalleled engineering, expertly tailored to meet every application requirement. Choose with confidence, knowing you receive a product that precisely aligns with your specialized needs.
(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 for flawless integration and operational fluidity.
(9)Directional valve block inflow controller options: Select from an impressive range: 1, without inflow controller; 2, standard inflow controller; 4, 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 remarkable precision and efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each precisely crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize your efficiency with peak output flows available in: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for robust performance and dependable reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation on actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 crafted for precision control and reliability.
(14) Operation modes: Experience a range of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a synergistic 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 a 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 complete and accurate control.
(15) Ancillary Block Port Sizes: Explore our versatile and adaptive port size options to suit your specific needs: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each is meticulously crafted to ensure effortless adaptability and seamless integration into your systems, providing you with unparalleled flexibility.
(16) End Plate Options: Unveil our exclusive range of custom end plate solutions: E1 - our standard choice, offering external discharge of pilot oil and an external oil return control port T for dependable performance; E2 - similar to E1 but further enhanced with an additional port Y for increased functionality; E3 - featuring a sophisticated 2-position 3-way magnetic ball valve that elevates system pressure to safety valve standards when activated, ensuring optimal safety.
E4 - emulates the design of E1 with innovative internal discharge of pilot oil and a sealed port T for advanced leakage prevention; E5 - mirrors the features of E2 while incorporating internal discharge for superior efficiency; E6 - embodies the advanced engineering of E3, each variant masterfully engineered to guarantee precise discharge control and enhanced system safety.
(17) Control Voltage and Anti-Explosion Cable Options: Select from our extensive lineup of secure and reliable options like G12-12VDC, specifically designed for safety and specialization in the most demanding applications, ensuring both efficiency and reliability.G24 - A versatile and robust choice, ensuring your system remains powered with precision.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Offering a diverse array of configurations to match your specialized requirements, ensuring optimal performance in various environments.12 - A reliable option that meets the highest standards of safety and performance.bb621436 - A unique identifier for seamless tracking and integration within your systems.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of brilliance in the hydraulic industry, illuminating the path with groundbreaking innovations and unmatched 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 encompasses the meticulous research, cutting-edge development, precision manufacturing, and strategic 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 unrivaled frontrunners in our field, continually pushing the boundaries of hydraulic technology.
Our flagship product, the enhanced Safety Atex Valve, shines as the pinnacle of advanced hydraulic system control. This load-sensitive proportional valve is expertly engineered for construction machinery and heavy-duty equipment, serving as an indispensable component 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 stand 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 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.
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Question:4. Is it OK to print my logo on the product?
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