... fittings, including Wyes, Elbows, Tees, Crosses, Laterals and Fishtails, with sizes ranging from 2" to 4"and pressures from 3000psi ... service life. They may have union ends for easy connection with various cementing or fracturing equipment, or have a welded end connector ... steel, and machined by NC machine tools. We can provide various types of crossovers as per customers' requirements. pump parts