FIELD: means of transport.
SUBSTANCE: ball-gage cock of main air intake consists of housing, hand gear and additional cup nut. There is a hole in housing where ball choke is installed by means of two O-rings. Ball choke has through hole and though channel. Through hole is arranged so that to form channel from housing outlet to housing body hole when ball choke is closed. Hand gear is in the form of mandrel with lever connected with ball choke. Air inlet is in the form of through hole made in housing. Cup nut is situated in hole of housing body between ball choke and sealing sleeve cup nut. Hole in housing body is made in two stages. One stage with larger diameter is threaded to install cup nut. External surface of sealing sleeve is also made in two stages. Stage with smaller diameter is installed from ball choke side whereas larger diameter stage is in the form of ring contacting with internal end surface of cup nut.
EFFECT: prevention of air leaking from brake line.
9 cl, 2 dwg
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