We stock many large diameter flanges in 304/304L, 316/316L and also A-105 – carbon steel. These include Slip-Ons, Weldnecks, and Blinds in stainless steel material, in B16.47 Series A (MSS SP-44) and Series B (API-605), and tables B, D, E, and F of AWWA C207.

In A105N we supply our LDS Slip-On and Lap Joint flanges, and AWWA C207 Table B, D, E, and F flanges.

We also supply large diameter A105N Grooved Mechanical Couplings for piping systems, and A105N Lap Joint End Rings in conjunction with our LDS Lap Joint flanges.

Pro-Flange can easily solve your procurement needs when it comes to large diameter flanges in any specification, including B16.1 and proprietary drawings.