Post Weld Heat Treatment – PWHT
API 602 Gate Valves, Bolted Bonnet, Rising Stem, Socket Weld with 100mm Long Plain End Nipples Welded at Both Ends, PWHT. So … Read more
API 602 Gate Valves, Bolted Bonnet, Rising Stem, Socket Weld with 100mm Long Plain End Nipples Welded at Both Ends, PWHT. So … Read more