These machined clamps and cast clamps are used (in conjunction with a centering ring with fitted o-ring) for mating KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports. KF Machined/Cast Clamps Features: Hinged,two-part device. Machined clamps available in stainless steel or aluminum. Cast clamps available in Aluminum.

KF Vacuum Chain Clamp

Aluminium KF Vacuum Clamp

Stainless Steel KF Vacuum Clamp