copyright 2006
Hartmann Technology
 

 

 

Butterfly valves

 Designs

  • Lug & wafer type
  • Double flanged
  • Buttweld ends

 Materials

  • Carbon steel
  • Stainless steel
  • Special material
  • PTFE-or EPDM inner lined

 Sealing
  • Soft seated
  • PTFE- or Graphite laminated 
  • Metal to metal (true metal seated) 

 Nominal diameters
  • DN 80 to DN 1200   
  • 3" to 48" 

 Pressure stages
  • DIN PN 16 to 160 
  • ANSI Class 150 to 900   

 Temperature ranges
  • -196°C to +550°C 
  • -320,8°F to +1022°F

 Metal seated butterfly valve

 

 in Deutsch