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

ISO Kwik-Flanges

Kwik-Flange® NW vacuum flanges are an economical system of reusable interfacing stainless steel vacuum fittings and components for 1/2”, 3/4”, 1”, 1-1/2”, and 2” OD tubing. Assemblies are usable to 10-8 Torr. Maximum temperature for sustained use is 150°C. Kwik-Flange® is ideal for vacuum systems requiring rapid and frequent assembly and disassembly.


  • Fast connect and disconnect
  • ISO Compatible
  • Type 304 stainless steel flanges
  • All metal Aluminum clamps
  • Viton® o-rings bakeable to 200°C; sustained use at 150°C
  • Single wing nut closure

Request a quote on Kwik-Flanges for your application, or contact Larson Electronic Glass for more information.

Larson Electronic Glass offers "Kwik-Flange" flanges available from NW16 to NW50 in blank and various bore sizes.

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NW16 Blank Flange  NW16 Blank Flange  912101 

NW16 Neck Flange  NW16 Neck Flange  912201 

NW25 Blank Flange  NW25 Blank Flange  912102 

NW25 Bored Flange  NW25 Bored Flange  912202 

NW40 Blank Flange  NW40 Blank Flange  912104 

NW40 Bored Flange  NW40 Bored Flange  912204 

NW50 Blank Flange  NW50 Blank Flange  912105 

NW50 Bored Flange  NW50 Bored Flange  912205 

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