BS EN ISO 228-2:2003 pdf free.Pipe threads where pressure-tight joints are not made on the threads - Part2:Verification by means of limit gauges. BS EN ISO 228-2 specifies the verification, by means of hmit gauges, of cylindrical threads, the dimetisiuns and tolerances of which are given in ISO 228-1. For industrial applications (see for example ISO 1179), it may be...