Click to enlarge

NW50 Centering Ring
Aluminum/Buna O-Ring
A: 1.97"
B: 0.21"

• NW50 (KF50) Series
• Aluminum Centering Ring
• Buna-N O-Ring

NW50 Series Aluminum Centering Ring
Buna O-Ring

Buna Replacement O'Ring
• 100°C Maximum
• Buna-N
• NW50 (KF50) High Vacuum Hardware

Fits NW50 Flange Series Equivalents:
KF50, KF-50, K200, NW-50, QF50, ISO-QF
NW50-200-AR-B NW50-200-AR-B-OS

NW50 Centering Ring (NW50-ARB-PK25)
NW50-ARB-PK25Price: $300.00Sale: $125.00
Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

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.
Images Shown May Be For Reference Only

There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase.