• A-3 ~Wide Arch Rubber Expansion Joint

    A-3 ~Wide Arch Rubber Expansion Joint

    Wide arch system is the molded expansion joint, with integral flange and without a metal reinforcement at the neck of the body. Wide arch allows greater movements and low spring rates comparing to spool type. WA and WAF is used for an economical wide arch rubber expansion joint. WAF is filled arch, with 50% of the WA allowed movements, but it has 4 times spring rates than wide arch.