Welcome to the Kurt J. Lesker Company.  

Sign In | Register

Current Region: International (Change) | Contact Us |   RSS   Twitter   LinkedIn   YouTube   Instagram


Please select your country or region to be
directed to the appropriate Lesker site.

Representative Image

KF (QF) Centering Rings (Aluminum)

These centering rings are used for mating KF flanges and include both the centering ring and o-ring. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.

KF Centering Rings Feature:

  • Rings available in stainless steel, brass, or aluminum
  • Stainless steel and aluminum centering rings available with either fluorocarbon or Buna-N o-rings
  • Brass centering rings available with Buna-N o-rings only

Dimensional Drawings

Contact Us
To speak with someone directly, please call +1 412 387 9200 or email international@lesker.com.
Got VacuCADSM?
VacuCAD is a free library containing thousands of 2D CAD drawings (in DXF format) and 3D Models (in STP format) for many of our standard vacuum components and chambers. Please Log in

Ordering Table

(Click column headers to sort data)