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NW32 To NW40
Adaptive Centering Ring
Aluminum
Viton O-Ring

NW32-40-AAR-V
NW40xNW32 Aluminum Adaptive Centering Ring
Viton O'Ring

• NW32 to NW40 (KF32 to KF40)
• Centering Ring Reducing
• NW32xNW40 High Vacuum Hardware

Viton® O-Ring
• Viton (Fluorocarbon FKM)
• 200°C Maximum

Change Your Flange Size With One Centering Ring!

The use of Adapter Centering Rings is simple:
One side of the ring is NW32 and the other NW40.
By using this centering, you CONVERT a
NW32 flange size to a NW40 Flange

NW, KF, QF Series High Vacuum Flanges

NW32 (KF32) OD: 2.18" Centering Ring Counter Bore: 1.34"

NW40 (KF40) OD: 2.18" Centering Ring Counter Bore: 1.62"

NW32 Flanges Are Sometimes Used Overseas (Uncommon)

NW32 (KF32) vacuum flange size is not popular in the US,
but may be necessary to use US flanges.

NW40-32-AAR-V Compare to: QF32-40-AARV 100315815 KCA3240AV


Aluminum Adaptive Ring NW32 to NW40
(NW32-40-AAR-V)

NW32-40-AAR-VPrice: $18.00Sale: $11.00

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NW40 Clamps, All Types


NW40 O-Rings (All)


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All NW32 to NW40
Adaptive Rings




**Use NW40 Clamps To Fasten These Rings**
NW40 Series Clamps

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or
info@ldsvacuum.com

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.
Viton® is a registered trademark of DuPont Dow Elastomers