
Wholesale High Quality Annular Bop Blowout Preventer Oilfield Drilling Well Control Equipment. Rugged Spherical Design: Provides favorable seal after hundreds of tests with smooth synchronized motion. Enhanced Swarf Seal: Protects against metal-to-metal damage from swarf entering the piston. Compact Simple Construction: Only five major parts with optimized hydraulic system requiring two connections. H2S Service Resistance: Standard models for inner H2S; easy changes convert them for external H2S service. Wide Working Pressure Range: Available in 2000 to 20000 psi with recommended working pressure of 1200-1500 psi. High Performance Alloy Material: Manufactured with heavy-duty alloy steel for high pressure and corrosion resistance. 1 Year Warranty Coverage: Includes 1-year warranty and after-sales service for all mechanical equipment. Flexible Customization Options: Offers full customization, minor customization, and customization from samples or designs.