Therefore the selection amongst rubber and metal joints is dependent on the chemical surroundings and corrosion protection essential. 15. Use two wrenches when tightening bolts. When tightening the back again up rings of rubber flanges, tighten bolts in cross sample sequence till the rubber flange bulges uniformly concerning the back https://edgarfztld.bcbloggers.com/38343528/examine-this-report-on-pressure-thrust-in-expansion-joints