Type FA1 / FA2 (full bore) Type FB1 / FB2 (full bore) Type FC1 / FC2 (full bore, seal according EN 1092, Form B2) Nominal size DN 10 to 250 Materials carbon steel / stainless steel / special materials Nominal pressure N06 to PN100 / ANSI150 to ANSI600

• Triple chevron rings on stem
  
• Contents ball
  
• Anti-blow-out stem
  
• Antistatic device
  
• Face-to-face dimension according DIN EN 558
  
• 3 side supported seats (form stability)
  
• Double body seals (patent)
  
• Internal surfaces mechanically machined
  
• Fire-Safe design
  

• Heating jacket
  
• Plate springs, shaft nuts and mechanical stops in stainless steel
  
• Double body seals (patent)
  
• Stem extension
  
• Gland extension
  
• Pocket less seats due to spherical mill out (FA2)
  
• Pocket less due to half shells (PTFE)
  
• End tank ball valve version
  
• Screw assembly
  
• Overpressure hole into the ball
  
• Drawing sample balls
  
• Fire Safe according ISO 10497 (BS 6755 / API 607)