FIELD: oil and gas industry, namely, anti-exhaust preventers.
SUBSTANCE: mechanism for holding the lid contains radial holder positioned inside the body of anti-exhaust preventer, and at least one device for activating the holder, connected in working position to radial holder. Device for activating the holder is adapted to moving radial holder in radial direction to provide holding contact between internal surface of radial holder and the lid. Aforementioned lid is positioned in side aperture of body of anti-exhaust preventer.
EFFECT: simplified maintenance of preventer.
6 cl, 25 dwg
