Click to enlarge

NW40 Centering Ring
Stainless/Buna-N
A: 1.57"
B: 0.21"
Pack of 25!

NW40-SRB-PK25
• Buna (Buna-N, Nitrile, NBR) O-Ring
• 100°C Maximum
• NW40 (KF40, QF40) High Vacuum Hardware
PACK OF 25

NW40 (KF40) Stainless Centering Ring with Buna (Nitrile NBR) O-Ring Assembly

Fits NW40 (KF40) Flange OD: Ø2.18"
• NW40 Flange Centering Ring Counter Bore: 1.62"

NW40 High Vacuum Flange Equivalents
KF40, KF-40, K150, NW-40, QF40, ISO-QF

NW40-150-SR-B-OS NW40-150-SRB-PK25 NW40-150-SR-B-PK25


NW40 Centering Ring (NW40-SRB-PK25)
NW40-SRB-PK25Price: $368.75Sale: $154.00

Click to enlarge
Click to enlarge
All NW40 Hardware


NW40 Clamps, All Types


Click to enlarge
Click to enlarge
NW40 Ring and Clamp Assembly


NW40 O-Rings (All)


Click to enlarge
Click to enlarge
Centering Rings WITHOUT O-Ring


NW40 Mesh Screened Centering Rings


Click to enlarge
NW Overpressure Ring



LDS will be CLOSED due to Hurricane Ian
Wednesday, September 28, 2022 and will
Reopen on Friday, September 30, 2022
Weather and Utilities Permitting

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.
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.