We stock many large diameter flanges in 304/304L, 316/316L and also A-105 – carbon steel.  These range in size from 28” to 36” for stainless and 28” to 36” for carbon.

We can also easily solve your purchasing problems when it comes to plate flanges – AWWA C207 – and B16.47 Series A (MSS SP-44) and Series B (API-65), as well as B16.1 specifications.

Other large diameter flanges, including larger sizes of those mentioned above, can be sourced to meet any requirement you may have.