PB series

• Pre-Bulged without score lines
• Operate up to 70% of marked burst pressure
• Standard 30° angle seat design
• ASME UD marking available
  
   Bulletin no. 320101
  

• Pre-Bulged without score lines
• Operate up to 70% of marked burst pressure
• Flat seat design
  
    Bulletin no. 320150

• State-of-the-art laser slotted metal top section
• Operate up to 80% of marked burst pressure
• Standard 30° angle seat design
• ASME UD marking available
  
    Bulletin no. 320201
  

FD Series

• State-of-the-art laser slotted metal top section
• Operate up to 80% of marked burst pressure
• Flat seat design
  
    Bulletin no. 320250
  

• State-of-the-art laser slotted metal top section
• Mounts directly between standard ANSI flanges
• Includes Gaskets
• Operate up to 50% of marked burst pressure
• Flat seat design
  
    Bulletin no. 321502
  
  

sfaz series

• Non-fragmenting solid metal cross scored disk is scored
  on the vent side to minimize the effect of product build-up
• Operate up to 85% of marked burst pressure
• Flat seat design
• ASME UD marking available (Gas service only)
  
    Bulletin no. 320501