APPLY TO BELOW BOP: Brand: SHENKAI BOP. RONGSHENG BOP ETC OTHER FAMOUS BRAND BOP Type :Single Ram BOP, Double Ram BOP, Shear Ram BOP Standard: API Spec 16A,16C Working pressure:2000psi-15000psi(14 Mpa-105Mpa) Operating temperature:-18deg--121deg Bore size:7 1/16"-21 1/4" Top & nottom connection:Flanged,studded