1.Item number:FL4 2.Size:DN15-DN2000 3.Material: A105, F11,F22, 304(L), ... chemical,paper and pulp plant,steel industry Design Standard:Design & Manufacture Standard: 1-1/2"-24": ANSI B 16.5 1981 >24": MSS ... , we hope the following information can be offered, thanks.Design standard Connection standard . Size. Body material . Trim (Material for inside parts). Connection ...