APT engineers, manufactures a quality line of high pressure integral/fabricated union connections with unions in various configurations
1) The integral connections made of high strength alloy steel with all heat-treated to enhance load-bearing capacity and lengthen service life.
2) Union ends for easy connection with various cementing or fracturing equipment, or with a welded end connector designed as per API Spec 6A.
3) Crossovers are used for connection between different size or thread pipes.
4) Forged of high strength alloy steel, and machined by NC machine tools. We can provide various types of crossovers as per customers' requirements.