1) Standard:API16A 2) Bore size:7 1/16-211/4" 3) Pressure:2000-15000psi 4) Type: Shaffer, Cameron 5) Best price/ delivery API 16A Annular BOP Design Feature1, standard:API 16A2, Bore dia.: 7 1/16”(180mm)—21 1/4”(540mm)3, Pressure: 2000 psi (14mpa)—15000psi (105mpa). Spherical BOP specifications ModelFH28-21FH35-21FH18-35FH28-35FH35-35Bore Dia.mm280346180280346in112013-5-82007-1-16112013-5-8Rated ...