Anodized Aluminum Relief Cap with Flash Arrester

FIG 780

Cap and arrester installed on flexible fabric fuel or water tank vent lines.

Standard Features

 Hinged cap relieves pressure at 2 inches of water column + or - 1 inch

Arrester protects tank contents from fire during dispensing operations


Construction Details

  • Body and handle: Aluminum (anodized)
  • Cover: Stainless steel
  • Gasket: Buna-N or FDA Buna
  • Flash arrester: Aluminum (anodized) 0.040 perforated metal




Figure Suffix Size Description Weight (lbs)
780 0100 ACAA 2"-3" H2O Press Relief Cap w/Flash Arrester-Anodized 1
780 1100 ACAA 2"-1/2" H2O Press Relief Cap w/Flash Arrester-Anodized 1


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CARB Certification

Morrison Bros. Co. has received approval from California’s Air Resource Board for a Phase 1 Enhanced Vapor Recovery System for Protected Aboveground Storage Tanks. Click here to get started on your CARB certification!

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