your best partner for vacuum

Clamp – Steel

INFICON ISO-K quality fittings are manufactured according to ISO 1609, DIN 28404 and Pneurop 6606. Our quality large diameter fittings are the standard vacuum components for all vacuum and high vacuum lines. The high quality INFICON fittings are designed and tested for leak rates less than 1 x 10E-9 mbar l/s.


  • Competitively priced
  • World wide logistics
  • Design and measures follow strictly international respected standards
  • Surface finish, welds, material specifications and cleanliness meet or exceed high vacuum specifications
  • 2011/65/EU RoHS compliant

Part number

Ordering Information Art.No.
Clamp DN 63-250 ISO-K, 4 pcs. 212-225
Clamp DN 320-500 ISO-K, 4pcs. 212-226
Clamp DN 630 ISO-K, 4 pcs. 212-227





Type DN 63-250 ISO-K DN 320-500 ISO-K DN 630 ISO-K
Dimension A 60 mm 78 mm 88 mm
Dimension B 17 mm 27 mm 31 mm
Dimension C 27 mm 39 mm 49 mm
Material Steel zinc plated 1045/- Steel zinc plated 1045/- Steel zinc plated 1045/-
Set of 4 pcs. 4pcs. 4pcs.
Thread size M10 M12 M12