1.API standard 2.CE certificate 3.Apply to all specifications of casing 4.Customized materials

Welded bottom connection

The scene of the casing head and surface casing weldingApplicable to all casing specifications Nominal Diameter : 11 " ~ 21 1/ 4" ( 280mm ~ 540mm ) Working pressure : 2,000 ~ 10,000PSI (14 ~ 70MPa ) Temperature : - 60 ° C ~ +121 ° C ( K , U ) Product specification level: PSL1 -4 Performance levels : PR1 ~ 2Material level : AA ~  FF

•Weld casing head and surface casing on spot, apply to all specifications of casing.

Welded Bottom Connection(API 6A)