- Lower connections: Welded with o-ring seal, bolted together with o-ring seal, wedge connection system
- API head flange sizes 21.1/4″, 20.3/4″, 18.5/8″, 16.3/4″, 13.5/8″, 11″, 9.5/8″, 7.1/16″ quick connects
- API pressure stages: 2.000 PSI, 3.000 PSI, 5.000 PSI, 10.000 PSI
- API temperature classes: L, N, P, R, S, T, U
- API material classes: AA, BB, CC, DD, EE, FF, HH
- API PSL test classes: PSL 1, PSL 2, PSL 3, PSL 3 G
Additional nominal sizes and pressure levels upon request!