Fourvac manufactured Flanges and Fittings are engineered for reliable, leak-tight sealing in high and ultra-high vacuum applications. Precision-machined cut edges combined with high-quality TIG welding ensure exceptional durability, structural integrity, and consistent UHV performance. All components are 100% helium leak tested to ensure repeatable, leak-free performance you can trust.
ISO K Blank Flange
ISO K Bored Flange
ISO F Blank Flange
ISO F Bored Flange
ISO Centre Ring
ISO Rotatable Flange + Ring
ISO- Filter Centering Ring
ISO Outer Ring
ISO O Ring
ISO View Port
ISO Half Claw Clamp
ISO Full Claw Clamp
ISO K Half Nipple
ISO K Full Nipple
ISO K Reducer
ISO K Tee
ISO K 4 Cross
ISO K 6 Way Cross
ISO Flexible Hose
ISO K Elbows
Dependable quality. Proven performance. Trusted vacuum solutions.