... Wyes, Elbows, Tees, Crosses, Laterals . We provide series of high pressure integral fittings and welded fittings, including Wyes, Elbows, Tees, Crosses, ... are all heat-treated to enhance load-bearing capacity and lengthen service life. They may have union ends for ... steel, and machined by NC machine tools. We can provide various types of crossovers as per customers' requirements. valve seats and body