SHUT-OFF AND ADJUSTING LOBE-TYPE VALVE

摘要

FIELD: shutting-off and adjusting flow of dust-gas-air medium flowing through pipe line. SUBSTANCE: valve has body with cylindrical straight-way section with three lobes each rotatable around axis which is directed over respective of straightway section of body. Lobes are made in form of plates having shape of cross section of body. EFFECT: enhanced accuracy of adjusting the valve and enhanced reliability of shutting-off the pipe line. 2 cl, 2 dwg