Click to enlargeISO320 Series Replacement O-Rings
Viton (Fluorocarbon, FKM)
A: 12.48"
B: 0.275"

ISO320 Replacement Viton (FKM) O'Ring
Fits ISO320 Series Centering Rings

Viton (FKM) O-Ring:
• 200°C Maximum
• Viton (Fluorocarbon) O'Ring
• ISO320 (LF320) Replacement Elastomer Seal

ISO320 High Vacuum Flange Equivalents:
ISO-320, LF320, NW320, NW-320, Large Flange,
ISO320-1200-OV Compare to: 100762032 L1200-O 811005 0600454 2-454-OV P104327 ISO-320-OR-V O-V454 200 degrees

ISO320 Viton O-Ring

ISO320-1200-OVPrice: $68.25Sale: $29.00

Click to enlarge
Click to enlarge
ISO320 Centering Rings

ISO320 Series Hardware

Click to enlarge
ISO Series O-Rings

Viton® (Fluorocarbon, FKM) O-Ring:
200°C Maximum
• Viton® (Fluorocarbon, FKM)
is normally used in vacuum service. Viton® has a low porosity to most gases and withstands high temperatures up to 200°C for short periods.

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.
Viton® is a registered trademark of DuPont Dow Elastomers