... management system certificate to ISO9001:2000.Hydrostatic testing conform to standard of AWWA/ANSI C219Center SleeveRolled Steel to BS EN ... "100Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC109.6-127.8M12*1754"150Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met& ... "250Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC272.0-289.0M12*21510"300Ductile Iron,PVCu,Cast Iron,Steel,Cast Iron Met& ...