Ten. Use a skinny film of graphite dispersed in glycerin or drinking water towards the face on the rubber flanges just before setting up. No other sort of lubricant or seal must be applied within the flange deal with. b. Where a shut-off valve, decreasing valve, check valve or any https://piping-expansion-joint57913.blogoxo.com/39875850/pn16-expansion-joint-fundamentals-explained