Api6d High Pressure Forged Steel Fully Welded Ball Valve - cnqdv ( China ) - Offers to Sell and Export - Tuesday 9 May 2017 7:47 am - api6d high pressure forged steel fully welded ball valve size 2” up to 56“ dn 50 up to dn 1400 pressure rating asme 150# to 2500# api 3000psi to 20000psi materials carbon steels low temperature ca...