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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.

ImageISO Kwik-FlangesPriceModel NumberPart NumberPrice
NW16 Blank Flange149121019121014.00
NW25 Blank Flange169121029121026.00
NW40 Blank Flange16.509121049121047.00
NW50 Blank Flange24912105912105$24.00
NW16 Neck Flange189122019122018.00
NW25 Bored Flange169122029122026.00
NW40 Bored Flange189122049122048.00
NW50 Bored Flange30912205912205$30.00