UHV Centering Rings for NW40 (KF40) Flanges:
Converts NW (KF) Series High Vacuum Fittings and Flanges to Ultra-High Vacuum (UHV)
• Knife Edge
• No Elastomer Seal, All Metal Aluminum Seal
• For sealing NW (KF) flange connections made of metal
• Temperature range from -271 to + 150 ° C
• For pressure applications up to 20 bar
• UHV applications up to 10E-11 mbar
• Radiation tolerant and nuclear applications
• Ideal for High and Ultra High Vacuum Gauges
• Works with NW40-150-CC Series Chain Clamps
• Single Use Only


NW40-150-CC
NW40 (KF40) Chain Clamp
For Use With NW40-150-AR-UHV Series UHV Conversion Centering Rings
• Aluminum Ultra-High Vacuum (UHV) Chain Clamp
• NW, KF, QF Series Clamps (Klamp)
• EVAC Quick-Release Chain Clamps
• Fits: NW10 & NW40 (KF10 & KF40) Flanges
• UHV applications up to 10E-11 mbar
• 4 Links
• Torque: 1.47 ft-lb Elastomer Seal
• Torque: 3.31 ft-lb Metal Seal

NW (KF) Ultra High Vacuum Hardware
• Fits KF, NW, QF Series Flanges & Fittings
• Fits Kwik-Flange, Quick Flanges & Fittings
• Quick Clamp
• Ideal for High and Ultra High Vacuum Gauges

Works with all NW40 (KF40) Series Centering Rings.
However, the AR-UHV Series Centering Ring is Required to Achieve UHV (up to 10E-11 mbar)

NW40 HV to UHV Metal Seal Centering Ring Plus Chain Clamp
NW40-CC-UHV
NW40-CC-UHV$230.00