Companion & Blind Flanges

Companion and blind flanges are used in wellhead and production systems to provide secure connections, pressure containment, and reliable line isolation. Designed for oil & gas service, these flanges are manufactured to deliver dependable sealing performance and long-term durability under demanding operating conditions.

Size: All sizes from 1-13/16″ and up

Working Pressure: 2,000 PSI to 20,000 PSI

Material: AISI 4130 (forged) 75K / 410 Stainless Steel

Temperature Class: L – U

Material Class: BB, CC, DD, EE, FF

PSL Rating: PSL 1, PSL 2, PSL 3

PR Rating: PR 1, PR 2