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The high-pressure union is made of forged high-strength alloy steel with advanced technology introduced from abroad. Strict heat treatment ensures that the joints provide uniform metallographic structure and good load-carrying capacity. All the materials used fully comply with the standard of ASTM and AISI,and the technological specifications fully comply with the API Spec 16A standards. The products are reliably sealed. And can be easily and quickly connected to or removed from the pipeline. Furthermore ,these unions can be used interchangeably with the others of a similar kind. The products can be connected to the pipes by using different end connections such as pipe thread, tubing thread,butt welding and pressure-seal end connections. |
