FIELD: agriculture. SUBSTANCE: vacuum regulator has casing and valve positioned within casing and connected with spring through screws. Spring tension is regulated by adjusting nut. When vacuum pump is switched on, vacuum is created in vacuum pipeline to cause valve to move downward by overcoming spring force. As a result air flows into vacuum pipeline. Air inflow may be controlled by regulating tightening force of vacuum regulator spring by means of adjusting nut. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 1 dwg
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Authors
Dates
1996-11-10—Published
1993-07-26—Filed