Integral Type Shenkai Double Ram BOP Rubber Seal Product Description BOP parts that we supply all come from original manufacturers, they are 100% interchangeable. Apply to below BOP: Brand: SHENKAI BOP. RONGSHENG BOP ETC OTHER FAMOUS BRAND BOP Type:Annular BOP, Single Ram BOP, Double Ram BOP, Shear Ram BOP Working pressure:2000psi-15000psi(14 Mpa-105Mpa) Operating temperature:-18deg--121deg Bore size:7 1/16"-21 1/4" Top & bottom connection:Flanged,studded Main Parameters 1)Standard: API 2)Pressure: 2000~15000psi(14-70Mpa) 3)Size:Nominal bore7 1/16~21 1/4" (179.4~539.75mm) 4) U type, S type Available 5) Shear/ Pipe/Blind Ram 6) According to the latest API Spec 16A standard,and quality standard of ISO9001.