The sealing o-ring is made of EPDM (Proviso KTW, hygienical compliance according to prescript W270 of DVGW), a rubber particularly resistant to ageing, ozone, heat, as well as to chemicals, including conditioners normally used for heating & cooling systems. Pipe systems for fuel oilor for lubricants should have their fittings equipped with o-rings of NBR.Using suitable adaptor fittings, it is possible to connect pipelines made with CHIBRO pressfitting Systems with threaded welded or flanged standard elements. |