... being 1~4 and pressure being 7MPa~105MPa The length of integral straight pipe includes 1m, 1.5m, 2m, 2 ... 15000psi) •Non-pressure threaded seal end connection is consist of FIG206union ,FIG602union,FIG1002union,FIG1502union;rating working pressure between 14MPa ... (5000psi)and 70MPa(10000psi) •welding union is consist of:FIG402union,metric screw threaded union ,FIG602union,FIG1002union,FIG1502union;rating ...