1.  7-1/16-3000psi Annular Blowout Preventer
2.  7-1/16 -3000psi double gate blowout preventer
3.  7-1/16-3000psi single gate blowout preventer
4.  7-1/16-5000psi Annular Blowout Preventer
5.  7-1/16-5000psi double gate blowout preventer
6.  7-1/16-5000psi single gate blowout preventer
7.  7-1/16-5000/10000psi Annular Blowout Preventer
8.  7-1/16-10000psi double gate blowout preventer
9.  7-1/16-10000psi single gate blowout preventer
10.  7-1/16-10000/15000psi Annular Blowout Preventer
11.  7-1/16-15 000 psi double gate blowout preventer
12.  7-1/16-15 000 psi single gate blowout preventer TAG：