Item name: stainless steel long union( pipe union,Union) Size:1"-4" Material :S/S304,S/ ... Standard :ISO, DIN, IDF,SMS Item name: stainless steel long union(pipe union,Union)Size:1"-4" Material :S/S304,S/ ... .Btw, we can offer all kinds of the sanitary pipe fitting and can manufacture them according to any drawings.We ... design come true from beginning to end .. stainless steel long union(pipe union,Union)