Annular blowout preventer

The annular blowout preventer designed by our company has a compact structure and can seal kelly, drill pipe joints, drill collars, casings, and cables of various shapes and sizes. And provide a fixed pressure control when the drill pipe is set off. There are two types of annular blowout preventers: spherical and conical, and spherical blowout preventers are available in two types: bolt-type top cover and wedge-type top cover. They are all annular blowout preventers, compact in structure, light in weight, suitable for air transportation, and can work at low temperatures.