ISO Non Rotatable Flanges

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Specifications - ISO Non Rotatable Flanges

General: Optional fastener or nonrotatable flanges with clearance bolt holes
Nominal OD sizes: ISO-63 to ISO-500
Tube sizes: 2-1/2 to 20 inches
Materials
   Flange: 304 or 316L stainless steel 
   O-rings: Viton, Buna
   Bolts: 18-8 stainless steel
Vacuum range: 
   Elastomer seal: >= 1 x 10-8 Torr – High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr – UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Buna: -30°C to 110°C
   EVAC metal seal: -270°C to 150°C