FIELD: mobile units for suction and/or supply of gases and solid particles carried by gases. SUBSTANCE: unit includes at least one suction and/or supply pipe line 4 which is swivel in vertical plane and is provided with at least one device 54 for balancing suction and/or supply pipe lines. Device 54 is engageable with compensating device 57 which compensates for difference between balancing force created by device 54 on pipe line 4 and force required for balancing pipe line 4 in all its positions. EFFECT: enhanced efficiency. 53 cl, 22 dwg
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