Meet API Spec. 6A
Working Temperature: L, P, R, S, T, U, V
Material Class: AA, BB, CC, DD, EE, FF
Specification Level: PSL1, PSL2, PSL3
Performance Requirement Level: PR1, PR2
Including:
     Casing and Tubing Heads
     Casing And Tubing Hangers
     Tubing Head Adapters
     Flanged Connections
     Threaded Connections
     Ring Joint Gaskets
     Gate Valves
     Tees and Crosses
     Crossover Connections
     Adapter and Space Spools
     Actuators
     Other End and Top Connectors