... malleable iron pipe fittings Size: 1/2-6 Type: Three-way UnionWe can supply American standard, British standard, en standard, and ... -197, ASTM A47Dimensions: Bs en 10242, bs 143 & 1256Threads: ISO 7/1En standardMaterials: ASTM a-197, ASTM A47Dimensions: ISO49, DIN2950Threads: ISO ...