(650) 369-6734 Store Hours: Monday-Thursday 7:00am-4:30pm

ISO Kwik-Flange Hardware

Larson Electronic Glass offers hardware for ISO Kwik-Flange and vacuum fittings. Our inventory includes: stainless steel centering ring assemblies, hinged clamps, and replacement Viton® o-rings. Available sizes: NW16 thru NW50


  • SS/Viton® Centering ring assemblies
  • Aluminum Hinged Clamp
  • Replacement Viton® o-rings

Request a quote on Kwik-Flange accessories you need, or contact Larson Electronic Glass for more information.

Larson Electronic Glass offers "Kwik-Flange" hardware available for flanges from NW16 to NW50

ImageISO Kwik-Flange HardwarePriceModel NumberPart NumberPrice
NW16 Centering Ring Assembly109123019123010.00
NW25 Centering Ring Assembly149123029123024.00
NW40 Centering Ring Assembly169123049123046.00
NW50 Centering Ring Assembly189123059123058.00
NW16 Viton O-ring6912401912401$6.00
NW25 Viton O-ring6912402912402$6.00
NW40 Viton O-ring7912404912404$7.00
NW50 Viton O-ring9912405912405$9.00
NW16 Hinged Clamp109125019125010.00
NW25 Hinged Clamp149125029125024.00
NW40 Hinged Clamp169125049125046.00
NW50 Hinged Clamp24912505912505$24.00