FIELD: construction.
SUBSTANCE: surface inlet includes trash-retention grid, detachable settling chamber, body of well arranged as single-section and equipped with filtering chamber, bottom of which is arranged in the form of water discharge grid. At the same time settling and filtering chambers are equipped with rectangular water-drain and water-receiving windows arranged in their upper parts. Besides filtering chamber is arranged as detachable and has fixing threshold arranged in its upper part.
EFFECT: increased efficiency of device operation.
2 cl, 2 dwg
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SU1158705A1 |
