FIELD: assembly and cleaning of filters used for removal of dust from air.
SUBSTANCE: device has container where pressure of gas may be built up. Wall of container has first hole through which outlet tube runs to container; this tube is provided with circular seat of valve at its end; second hole is used for passage of casing of valve member. Valve member has cylindrical form near its seat and valve seat is connected with casing.
EFFECT: reduction of hydraulic losses.
14 cl, 9 dwg
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