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FM Approvals 1140
- Quick Opening Valves 1/4 Inch through 2 Inch Nominal Size
- standard by FM Approvals, 10/01/1998
- Publisher: FM Approvals
$25.00$50.00
This standard states FM Approval criteria for manually operated quick opening valves that control the water supply to accessories in a fire protection system or to small open-head extinguishing systems.
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