Introduction: The 4 Vane Rotating Paddle Level Switch is a reliable and efficient device designed for continuous level detection of bulk solids and powders. Featuring four paddles mounted on a rotating shaft, this switch operates by detecting the resistance encountered when the paddles are obstructed by the material. When the material level rises and blocks one or more paddles, it hinders their rotation, triggering a switch to indicate high or low levels.
Applications:
- Food Processing: Used for monitoring levels of bulk ingredients such as grains, flour, and sugar in silos and hoppers.
- Agriculture: Ideal for detecting levels of animal feed, fertilizers, and seeds in storage bins and silos.
- Cement and Construction: Employed to monitor levels of cement, sand, and other aggregates in storage facilities and silos.
- Plastic and Rubber Industries: Effective for level detection of granules and powders in mixing and storage applications.
- Mining and Minerals: Used for detecting levels of bulk materials such as ores and aggregates in processing areas.
- Wastewater Treatment: Applied to monitor sludge and solid levels in settling tanks, ensuring efficient treatment processes.
- Pharmaceutical Manufacturing: Utilized for accurate level measurement of powdered raw materials in production processes.
Specifications:
- Operating Principle: Rotating paddle technology
- Paddle Type: Quadruple vane design
- Material: Typically constructed from stainless steel or durable plastic
- Process Temperature Range: -20°C to +80°C (-4°F to +176°F) depending on model
- Process Pressure Range: Up to 6 bar (87 psi), depending on design
- Power Supply: Options for 24 VDC, 110-240 VAC
- Output Signal: Relay, PNP/NPN, or analog (4-20 mA)
- Response Time: Typically <1 second
- Mounting Options: Flange or threaded fittings for easy installation
- Certifications: CE, UL, or other relevant industry standards
Working Principle: The 4 Vane Rotating Paddle Level Switch operates on the principle of mechanical obstruction. It features four paddles mounted on a rotating shaft that spins at a constant speed. When the material level is below the paddles, they rotate freely without resistance. As the material level rises and makes contact with one or more of the paddles, it creates resistance against their rotation. This change in rotational speed is detected by the internal sensing mechanism. If the paddles are obstructed for a predetermined duration, the switch is activated to indicate either a high or low material level, depending on the application. This design ensures reliable and accurate level detection for bulk solids and powders in various containers such as silos, hoppers, and storage bins. The 4 Vane Rotating Paddle Level Switch is particularly effective in industrial environments, providing consistent performance and durability under challenging conditions.
Features:
- Robust Construction: Designed to withstand harsh industrial environments
- Adjustable Sensitivity: Allows for detection of materials with varying densities
- Fail-Safe Design: Ensures reliable operation even in power loss scenarios
- Low Maintenance: Minimal moving parts reduce wear and tear
- Easy Installation: Compact design with flexible mounting options
This level switch is suitable for a wide range of industries requiring reliable point level detection of bulk solids and powders.