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Conveying System Mechanical Components Chapter 2: Functional Description 33 of 138
Atmospheric Valves
Models: AV1.5, AV2, AV2.25, AV2.5, AV3
• Mount on cover of vacuum hopper to direct vacuum into hoppers.
• Relieves vacuum by allowing an in-rush of atmospheric air into the
system.
• Compressed air-operated.
• Selection of black or white neoprene plungers or available high
temperature plungers.
• 24 VDC or 115 VAC control voltage solenoid.
• Adds only six inches (15 cm) to the height of vacuum hoppers and
filter chambers.
Figure 11: Typical Atmospheric Valve