Replacement O-Rings (Silicone) These replacement elastomeric o-rings are used (in conjunction with a centering ring -- not included) for sealing ISO flanges. The ISO flange (also called Large ISO) is used for HV chamber ports and is available in two distinct styles; ISO-K which uses clamp fasteners and ISO-F which uses nut and bolt fasteners. O-Rings Feature: - O-Rings available in Viton (fluorocarbon), Buna-N (nitrile rubber), and silicone materials
- The more popular o-ring sizes for vacuum use are listed below; contact us for other sizes or for application questions
| Flange OD | Material | O-Ring ID | O-Ring
Cross Section | Weight
lbs (kg) | PartNo | Price | | | | ISO63 | Silicone | 2.85" | 0.210" | 1/4 (0.11) | O-S336 | $9.00 | | | | ISO80 | Silicone | 3.35" | 0.210" | 1/4 (0.11) | O-S340 | $11.60 | | | | ISO100 | Silicone | 4.10" | 0.210" | 1/4 (0.11) | O-S346 | $14.50 | | | | ISO160 | Silicone | 5.98" | 0.210" | 1/4 (0.11) | O-S361 | $22.40 | | | | ISO200 | Silicone | 8.48" | 0.210" | 1/4 (0.11) | O-S371 | $33.60 | | | | ISO250 | Silicone | 10.48" | 0.210" | 1/4 (0.11) | O-S378 | $47.00 | | | | ISO320 | Silicone | 12.48" | 0.275" | 1/4 (0.11) | O-S454 | $34.40 | | | | ISO400 | Silicone | 15.48" | 0.275" | 1/4 (0.11) | O-S460 | $45.60 | | | | ISO500 | Silicone | 19.46" | 0.275" | 1/4 (0.11) | O-S468 | $57.00 | | | | ISO630 | Silicone | 24.94" | 0.275" | 1/4 (0.11) | O-S474 | $67.00 | | |
PN02704 |
