Vinyl covers protect flanges by sealing out dust and moisture. VF series provides a snug fit for flanged and beaded tubes while VAS series flange covers fit American Standard Association Navy and Military sizes. VSR series features a snap ring to snap easily into place to protect flange surface. All can be used, without degradation, up to 300° F. VF comes in diameters from 0.68 to 6.5 in.; VAS from 2.485 to 11.5 in.; and VSR from 0.87 to 4.9 in.