Bore:13 5/8 working pressure:15000psi .
top connection:6BX BX159 CRA studded .
Bottom connection:6BX BX159 CRA Flange
API 16

1.Bore:13 5/8   working pressure:15000psi
2.top connection:6BX BX159 CRA studded
3.Bottom connection:6BX BX159 CRA Flange
4.API 16 A

5.API Q1