• FM Approvals 1031

FM Approvals 1031

  • Quick Opening Devices (Accelerators and Exhaustors) for Dry Pipe Valves
  • standard by FM Approvals, 05/01/1977
  • Category: FM Approvals

$50.00 $25.00

This standard covers quick opening devices (accelerators and exhaustors) used with dry pipe valves in fire protection systems to hasten the operation of valves when one or more sprinklers operate
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