... Product: tee fitting 2)Size:1/2"-72" 3)Standard:ANSI B16.9,JIS,DIN ,GB etc TeeThree is ... larger tonnage, currently used mainly for less than DN400 standard wall thickness three manufacturing. The application of forming ... in order to create a standard can be divided into GB, electric standard, standard, standard, American Standard, German standard, Japanese standard, the standard, as follows: GB / ...