  
Brady economy automatic air volume control model AV-100, maintains the correct volume of air in a atmospheric pressure tank from 12 to 120 gallons. Gallon capacity and is essential to successful water system operation.
Specifications :
- For tank size: From 12 up to 120 gallons.
- Body: Zinc die cast
- Diaphragm and seal cap: Buna N elastomers
- Spring and orifice: Brass
- Maximum Temperature: 140 degrees Fahrenheit
- Maximum pressure: 100 PSI
- Tank connection: 3/8" MNPT (Male pipe thread)
- Suction connection: 7/16"-24 Male Thread
- Gauge port: None
- Weight: 1.0 lbs.
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