size: DN15to600 Material: carbon steel Pressure: pn6,10,16,25,40 UNI 2280/1/2/3/4 1. ... Sizes: DN15 to DN600, 1/2 inch to 24inch2.Material: carbon ... .Inspection: factory in-house self check or Third Party inspection11.Carbon Steel:A105,SS400,SF440,RST37.2,S235,C22.8We can ...