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FOAM BLADDER TANK
Balanced pressure proportioning systems shall utilize an ASME code pressure vessel listed for use with the foam concentrate and proportioning method utilized. Foam bladder tank incorporate a Buna-N bladder, non-pressurized exterior level indicator. Foam bladder tank shall have 2" threaded connections for the water inlet and concentrate discharge for bladder tanks up to and including 500 gallon capacity. Foam bladder tanks shall have a 3" threaded connection for the water inlet and a 3" grooved connection for the concentrate discharge for bladder tanks over 600 gallon capacity. Foam bladder tank shall adhere to the requirements set forth in NFPA 11, The Standard for Low- Expansion Foam and NFPA 16, The Standard for the Installation of Deluge Foam-Water Sprinkler Systems and Closed-Head Foam-Water Sprinkler Systems. Foam bladder tank shall be UL listed and FM approved. Foam bladder tank shall be a Viking Corporation Bladder Tank.

Foam Products
Concentrate Control Valve
Concentrates
Bladder Tank
Proportioners
Discharge Devices