FIELD: oil and gas industry.
SUBSTANCE: device includes the net installed on reducer. Reducer is equipped with screw and rotor which is installed by means of a key and can perform rotational movement with reducer and axial movements relative to reducer. Axial movement of net and cover is restricted by means of nuts. Cover is provided with holes and radial channels. Cover and reducer is provided with stops by means of which springs attaching the reducer to the net are installed Net is equipped with deflector.
EFFECT: increasing operating efficiency of the device.
4 dwg
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