Aluminum Adaptive Centering Ring NW20 to NW25 (NW20-25-AAR-B)
NW20-25-AAR-B
NW25xNW20 Aluminum Adaptive Centering Ring With Buna (Nitrile, NBR) O'Ring
• NW20 to NW25 (KF20 to KF25)
• Centering Ring Reducing
• NW20xNW25 High Vacuum Hardware
Buna-N O-Ring
• 100°C Maximum
Change Your Flange Size With One Centering Ring!
The use of Adapter Centering Rings is simple:
One side of the ring is NW20 and the other NW25.
By using this centering, you CONVERT a
NW20 flange size to a NW25 Flange
NW, KF, QF Series High Vacuum Flanges
NW20 (KF20) OD: 1.57" – Centering Ring Counter Bore: 0.86"
NW25 (KF25) OD: 1.57" – Centering Ring Counter Bore: 1.03"
NW20 Flanges Are Sometimes Used Overseas (Uncommon)
NW20-25-AAR-B Compare to: QF20-25-AARB 100315803
NW20-25-AAR-B
NW25xNW20 Aluminum Adaptive Centering Ring With Buna (Nitrile, NBR) O'Ring
• NW20 to NW25 (KF20 to KF25)
• Centering Ring Reducing
• NW20xNW25 High Vacuum Hardware
Buna-N O-Ring
• 100°C Maximum
Change Your Flange Size With One Centering Ring!
The use of Adapter Centering Rings is simple:
One side of the ring is NW20 and the other NW25.
By using this centering, you CONVERT a
NW20 flange size to a NW25 Flange
NW, KF, QF Series High Vacuum Flanges
NW20 (KF20) OD: 1.57" – Centering Ring Counter Bore: 0.86"
NW25 (KF25) OD: 1.57" – Centering Ring Counter Bore: 1.03"
NW20 Flanges Are Sometimes Used Overseas (Uncommon)
NW20-25-AAR-B Compare to: QF20-25-AARB 100315803