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FM Approvals 1034
- Air Drying Units
- standard by FM Approvals, 11/01/2013
- Publisher: FM Approvals
$25.00$50.00
This standard states Approval requirements for air drying units for use in dry pipe and refrigerated area sprinkler system piping. They provide compressed air, with reduced humidity, to the sprinkler piping to reduce the possibility of ice formation.
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