Companion Flanges

Threaded or unthreaded Companion Flanges

API Companion Flanges in various materials from alloy to stainless steel. All products are manufactured to PSL 1 to 3 and sizes range from 2″ to 4″ with pressure ratings from 2,000 to 10,000 psi. 

We have listed the standard configuration options below. If your product requirements aren’t listed, please contact us or visit our custom order page.