FIELD: transport, pipes.
SUBSTANCE: device designed to control the adjustable U-tube incorporates a pressure pipe representing a corrugated pipe, an O-ring for a tight joint between the pressure pipe top and the water inlet channel neck, a clamp connected to the pressure pipe bottom, return springs, an adjustable U-tube and a connecting pipe to joint the pressure pipe and the adjustable U-tube.
EFFECT: higher reliability.
6 cl, 7 dwg
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