API Adapter Spool Flanges are specialized components used to connect flanges of different sizes, pressure ratings, or configurations in accordance with API standards. ¹ These flanges are available in sizes ranging from 2 1/16″ to 21 3/4″ and pressure ratings from 2000 to 10000 Psi, adhering to API specifications for reliable connections in demanding applications. Offered with RF, FF, and RTJ face types and manufactured from AISI 4130 material with a PSL1 specification level, these flanges provide a robust and standardized solution for adapting flanged connections.

Standard Size: Start from: 2 1/16” To: 21 ¾”

Pressure: From: 2000 To: 10000

Psi Face: RF – FF – RTJ

Material: AISI 4130 Specification Level: PSL1