Click to enlarge

ISO400 Series Centering Ring

ISO400 Series Aluminum Centering Ring with Buna O'Ring and Aluminum Outer (Spacer) Ring

• A: 15.53"
• B: 0.22"

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

ISO400 Centering Ring with Aluminum Outer Ring
(Spacer Ring) - High Vacuum Hardware

Fits ISO400 High Vacuum Flange Equivalents:
ISO-400, LF400, NW400, NW-400,
ISO-LF, ISO-K, ISO-MF, Large Flange

Fits ISO-B400 High Vacuum Flange Equivalents
LFB400, NW400, NW-400, Bolted Large Flange
ISO400-1600-AR-B Compare to: 4500054 LF400-1600-AR-B QF400-AABR ISO-400-CR-AB L1600-CRB 810026 100760740 LF400-1600-CTR-AL-BN ISO400-1600-ARB

ISO400 Centering Ring (ISO400-1600-AR-B)

Click to enlarge
Click to enlarge
ISO400 Series Hardware

ISO400 Replacement O-Ring, Buna-N

Click to enlarge
Click to enlarge
ISO400 Aluminum Outer Ring Replacement

ISO400 Centering Ring Assemblies

Click to enlarge
Click to enlarge
ISO400 Single Claw Clamp

ISO400 Double Claw Clamp, Aluminum

Click to enlarge
Click to enlarge
ISO400 Double Claw Clamp, Stainless

ISO-B400 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.