FIELD: railway transport.
SUBSTANCE: cock has hollow housing which receives inlet and outlet branch pipes. The inner faces of the branch pipes are provided with ring collars. The ring collars press the ball valve. The ball valve has through passage and groove for the control rod. The upper part of the control rod is provided with the control lever which has arresting rotation axle. The groove of the ball valve is inclined to the horizontal axis of the cock. The top side of the groove is outside of the ring collar of the outlet branch pipe. The bottom side of the groove is inside the ring collar of the inlet branch pipe.
EFFECT: simplified manufacturing and enhanced reliability of the cock.
1 cl, 3 dwg
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