I am designing a small dry system for a FMGlobal insured. Their DS2-0, 
section 2.4.1.1.2.3 states for dry systems, use pipe that is “…resistant to 
internal oxidation…”. Exactly what does that mean? Internally galvanized? Other 
form of protection?   
  
  
  
Todd G Williams, PE  
Fire Protection Design/Consulting
  
Stonington, CT
  
860-535-2080 (tel:860-535-2080)  (ofc)
  
860-554-7054 (tel:860-554-7054)     (fax)
  
860-608-4559 (tel:860-608-4559)  (cell)
  
  
  
  

  
     
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