FIELD: cleaning various liquids; preparation of drinking water. SUBSTANCE: proposed unit has hollow housing filled with filtering material, supply hose with pipe union for connecting the unit to liquid supply pipe line, cover with discharge hose and check valve fitted in lower portion of pipe union; it is made in form of elastic tube of round or oval section with flattened end in way of liquid flow. Besides that, pipe union may contain filtering material. EFFECT: avoidance of cultivation of microorganisms; simplified construction; enhanced operational reliability. 2 cl, 5 dwg
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Authors
Dates
2001-08-27—Published
1999-12-29—Filed