Seals, Clamps & Bolt Kits

Click to enlarge
Proper fastener and sealing hardware are critical to making vacuum-tight connections. Pfeiffer Vacuum Valves & Engineering offers a complete range of clamps, bolt-kits, gaskets, seals, and centering rings to fit all our products. 

These are also compatible with flanges and fittings from most other global manufacturers adhering to ISO design standards.

Seals, Clamps & Bolt Kits Features

  • Aluminum and steel clamps and hardware
  • Elastomer seal rings in a ranges of materials including FKM, FFKM, Silicon, Buna and more
  • Intended for ISO-KF (NW), ISO-F, ISO-K, CF (Conflat), ASA, Wire Seal and EVAC flange systems.
  • Metal UHV seals including copper, silver plated copper and aluminum


This website uses cookies and similar technologies. By accepting, you are agreeing to our Privacy Policy and Terms of Service, including our Cookie Policy.