Click to enlarge

NW25 Aluminum Centering Ring
Buna-N O-Ring
A: 0.98"
B: 0.21"

• NW25 (KF25) Series
• Aluminum Centering Ring
• Buna-N O-Ring

NW25 Series Aluminum Centering Ring With
Buna O-Ring

Buna Replacement O'Ring
• 100°C Maximum
• Buna-N
• NW25 (KF25) High Vacuum Hardware

Fits NW25 Flange Series Equivalents:
KF25, KF-25, K100, NW-25, QF25, ISO-QF
NW25-100-AR-B NW25-100-AR-B-OS

NW25 Centering Ring (NW25-ARB-PK25)
NW25-ARB-PK25Price: $150.00Sale: $75.00
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.

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