... valve by Butting-welding, socket-welding and thread. TypeConnected typeGB19326 Socket weldedGB19326 Pipe threadGB19326 Butt-weldedStandardSOL (MSS SP-97,Q/FG11)TOL (MSS SP ... -97,Q/FG12)WOL (MSS SP-97,Q/FG13)NipoletSNL ... DN100)StandardGB/T14626,HGJ529,ANSI B16.11 BS3799,MSS SP-97Pressure Rating2000LB,3000LB,6000LB,9000LB,SCH80,XS, ...