I. Product Overview

Our factory produces API flanges, which are primarily used for the assembly and connection of high-pressure manifolds.

They are available in sizes from 2 1/16" to 5 1/8" with end connections including weld-end and integral union. The rated working pressure ranges from 3000 psi to 20000 psi. Various models are available for use in normal temperature, low temperature, and sour gas environments, including those with hydrogen sulfide ( H 2​ S). Our products come in a complete range of varieties with stable and reliable quality.

II. Design Features

• API flanges are manufactured in strict accordance with API Spec 6A specifications.

• Material grade: EE

• They are all machined from forged alloy steel blanks, and the sealing grooves are all processed using CNC machines, ensuring reliable sealing performance.

III. Table of Main Technical Parameters for API Flanges