Click to enlargeNW32 to NW40
Adaptive Centering Ring





NW40xNW32 Adaptive Centering Ring
NW32 to NW40 (NW to NW)

• KF32 to KF40 (KF32-KF40)
• QF32 to QF40
• Centering Ring Reducing
• High Vacuum Hardware

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

Uses NW40 Series Clamps

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.

NW40xNW32 NW32xNW40 KF32xKF40 KF-32 to KF-40 Flange to Flange



Stainless Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-ASR-V)
Aluminum Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-AAR-V)
Stainless Adaptive Centering Ring
NW32 to NW40
(NW32-40-ASR-V)


Viton® O-Ring
Price: $20.00
Sale: $11.00
Aluminum Adaptive Centering Ring
NW32 to NW40
(NW32-40-AAR-V)


Viton® O-Ring
Price: $18.00
Sale: $11.00
Stainless Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-ASR-S)
Aluminum Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-AAR-S)
Stainless Adaptive Centering Ring
NW32 to NW40
(NW32-40-ASR-S)


Silicone O-Ring
Price: $21.00
Sale: $12.00
Aluminum Adaptive Centering Ring
NW32 to NW40
(NW32-40-AAR-S)


Silicone O-Ring
$12.00
Stainless Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-ASR-B)
Aluminum Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-AAR-B)
Stainless Adaptive Centering Ring
NW32 to NW40
(NW32-40-ASR-B)


Buna-N O-Ring
Price: $21.00
Sale: $12.00
Aluminum Adaptive Centering Ring
NW32 to NW40
(NW32-40-AAR-B)


Buna-N O-Ring
$12.00
Stainless Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-ASR)
Aluminum Adaptive Centering Ring <br> NW32 to NW40 <br> (NW32-40-AAR)
Stainless Adaptive Centering Ring
NW32 to NW40
(NW32-40-ASR)


NO O-Ring
$11.00
Aluminum Adaptive Centering Ring
NW32 to NW40
(NW32-40-AAR)


NO O-Ring
$11.00
Click to enlarge
Click to enlarge
NW40 Clamps, All Types

NW40 O-Rings (All)


**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