Specializing in standard, custom, and modified Glass to Metal seals.

ISO Large Flanges

Large-Flange® ISO vacuum flanges are an economical system of reusable interfacing stainless steel vacuum fittings for larger sizes of tubing from 2-1/2 thru 20 inch. Vacuum seal is by compression of an o-ring between two like flanges which can be either Claw-Clamp or Bolt type. Standard components in this catalog are supplied mounted on Claw-Clamp flanges. These can be mated to bolt flanges with a Rotatable Bolt Ring assembly.

Assemblies are bakeable to 200°C intermittent and 150°C sustained. Operating pressure is 30psig positive. Viton® o-rings may require periodic replacement.

Features:

  • ISO Compatible
  • Type 304 stainless steel flanges
  • All metal Aluminum Claw-Clamps
  • Viton® o-rings bakeable to 200°C; sustained use at 150°C
  • Compatible with Bolt-Style flanges when using Rotatable Bolt Ring

Request a quote on Large-Flange® ISO vacuum flanges for your application, or contact Larson Electronic Glass for more information.

Larson Electronic Glass offers "Large-Flange" hardware available for flanges from NW63 to NW200

 
 
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Image
Name
Model







NW63 Blank Claw Clamp  NW63 Blank Claw Clamp  913106 






NW63 2-1/2" Bored Claw Clamp  NW63 2-1/2" Bored Claw Clamp  913206 






NW63 Blank Bolt Flange  NW63 Blank Bolt Flange  913306 






NW63 2-1/2" Bored Bolt Flange  NW63 2-1/2" Bored Bolt Flange  913406 






NW63 Rotatable Bolt Ring  NW63 Rotatable Bolt Ring  913506 






NW80 Blank Claw Clamp  NW80 Blank Claw Clamp  913108 






NW80 3" Bored Claw Clamp  NW80 3" Bored Claw Clamp  913208 






NW80 Blank Bolt Flange  NW80 Blank Bolt Flange  913308 






NW80 3" Bored Bolt Flange  NW80 3" Bored Bolt Flange  913408 






NW80 Rotatable Bolt Ring  NW80 Rotatable Bolt Ring  913508 






NW100 Blank Claw Clamp  NW100 Blank Claw Clamp  913110 






NW100 4" Bored Claw Clamp  NW100 4" Bored Claw Clamp  913210 






NW100 Blank Bolt Flange  NW100 Blank Bolt Flange  913310 






NW100 4" Bored Bolt Flange  NW100 4" Bored Bolt Flange  913410 






NW100 Rotatable Bolt Ring  NW100 Rotatable Bolt Ring  913510 






NW160 Blank Claw Clamp  NW160 Blank Claw Clamp  913116 






NW160 6" Bored Claw Clamp  NW160 6" Bored Claw Clamp  913216 






NW160 Blank Bolt Flange  NW160 Blank Bolt Flange  913316 






NW160 6" Bored Bolt Flange  NW160 6" Bored Bolt Flange  913416 






NW160 Rotatable Bolt Ring  NW160 Rotatable Bolt Ring  913516 






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