... Wyes, Elbows, Tees, Crosses, Laterals . We provide series of high pressure integral fittings and welded fittings, including Wyes, Elbows ... to 20000psi(21MPa to 140MPa). The integral connections made of high strength alloy steel are all heat-treated to ... of high strength alloy steel, and machined by NC machine tools. We can provide various types of crossovers as per customers' requirements. needle valve ...