Fire Protection Design Software (FPDS)
www.nsvsoft.ca
Foam System Module
Hazard: Outdoor Open-Top Floating Roof Tanks
Method of protection: Discharge Foam Below a Mechanical Shoe Seal Directly Onto the Flammable Liquid, behind a Metal Weather Shield Directly Onto the Tube Seal Envelope, or Beneath a Secondary Seal Onto the Primary Seal
![](https://i.ytimg.com/vi/NGSQp9Ba6gE/maxresdefault.jpg)