Click to enlarge

ISO63 Series Centering Ring
304 Stainless/Buna

ISO63 Series Stainless Centering Ring with Buna O'Ring and Aluminum Outer (Spacer) Ring

• A: 2.65"
• B: 0.15"

Buna-N O-Ring:
• 100°C Maximum
Also Known As Nitrile (NBR) O Ring

ISO63 Centering Ring with Aluminum Outer Ring
(Spacer Ring) - High Vacuum Hardware

Fits ISO63 High Vacuum Flange Equivalents:
ISO-63, LF63, NW63, NW-63, Large Flange,

Fits ISO-B63 High Vacuum Flange Equivalents
LFB63, NW63, NW-63, Bolted Large Flange
ISO63-250-SR-B Compare to: QF63-SABR 4500006 LF63-250-SR-B B27158176 LF63-250-CTR-BN ISO63-250-SRB

ISO63 Centering Ring (ISO63-250-SR-B)
ISO63-250-SR-BPrice: $47.00Price Drop: $25.00

Click to enlarge
Click to enlarge
ISO63 Series Hardware

ISO63 Buna O-Ring Replacement

Click to enlarge
Click to enlarge
ISO63 Centering Rings

ISO63 Aluminum Outer Ring Replacement

Click to enlarge
Click to enlarge
ISO63 Mesh Screen Centering Ring

ISO Center Only Rings

Click to enlarge
Click to enlarge
Single Claw Clamp

Double Claw Clamp, Aluminum

Click to enlarge
Click to enlarge
Double Claw Clamp, Stainless

ISO-B63 Flange Bolts

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.