FIELD: technological processes.
SUBSTANCE: invention is intended for filtering. Vessel of air filter has at least one filter chamber to receive at least one filter unit, opening for access in side wall of vessel leading to filter chamber, door to close access hole and clamp accessory to hold at least one filter unit resting against the first end wall of filter chamber. Clamp accessory comprises frame arranged with the possibility of back and forth movement in direction from one end of filter chamber to the other end, besides when filter unit is supported by clamp accessory, section of frame tightly thrusts against circular collar of vessel wall via sealing element in the second end of filter chamber.
EFFECT: invention eliminates leakage of gas to filter chambers.
6 cl, 3 dwg
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