Malleable Iron Pipe Fittings The sizes are from 1/8" to 6", widely uesed in various pipelines to convery gas, water, oil and so on. With UL Approved. American standard: Material: ASTM A - 197, Dimensions: ASME B16.3, B16.14, B16.39 Threads: ANSI B1.20.1 British standard Material: ASTM A - 197 Dimensions: BS EN 10242, BS 143&1256 Threads: ISO7/1
Din standard
Material: ASTM A - 197 Dimensions: ISO49, DIN 2950 Threads: DIN 2999