... , 15, 20, 25, 32, 40, 50, 65, 80 Flanges---threaded flange / welding flange / loose hubbed flangeNorminal Size Range(DN ... ~76-91, JB/T90-94, JB9112~9123 ANSI B16.5CE and certification: ISO9001: 2000, API, BV, SGS, LOIYDApplications range: ... ---Petroleum, chemical, power, gas, metallurgy, shipbuilding. Construction, water and nuclear power etc.Packaging--- Seaworthy package, Plywood Cases or pallet ...