Dimensions standard: 1) ANSI B16. 3: 1 / 8"-6" 2) BS 143 and 1256: 1 / 2"-6" 3) DIN 2950: 1 / 2"-4" 4) Hot dipped galvanized fittings, using the first class zinc; normal black or shining black 5) Excellent material, precise angles, good antirust property 6) Every piece must pass leakage-testing 7) Packing: Standard export cartons or as buyers' requirements If our products are of interest to you, pls kindly inform us your detailed requirements so that we can check and give you a favourable price. Expect that our factory can become your beneficial partner in China