Description: Annular blowout preventer consists of body, upper housing, sealing element, dust-proof ring, and piston. It provides a rugged, reliable preventer and ease of service and widely used Offshore (subsea and surface) and onshore. Annular blowout preventer is compact, seal any size kellys, drill pipe, tool joints, drill collars, casing or wireline. Sphericals also provide positive pressure control for stripping drill pipe into and out of the hole. Annular blowout preventer is Manufactured in accordance with API Specification 16A, and NACE MR0175 per API Specification 16A, Temperature T20, Standard nitrile packing element: 40°F to 170°F.