Dismantling jointstandard:iso2531en545, astmpressure:pn10pn16pn25pn40pn64body material:ductile iron with fbe ( fusion bonded epoxy) coating or epoxy painting;gaskets are nbr or epdm;bolts and nuts:carbon steel with galvanized zinc plated g4.8g8.8, or ss304ss316package:wooden cases and protection layer.Application:dismantling joint is suitable for all flanged piping materials above ground or in chamber.It enables easy installation and dismantling of isolating valves, non return valves, flow metering equipment , pumps etc. It compensates for axial displacement of the pipe during installation.