Catch flow restrictor

F - Mech Eng,Light,Heat,Weapons – 15 – D

Patent

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137/138, 182/27

F15D 1/00 (2006.01) E03F 5/04 (2006.01)

Patent

CA 1303943

ABSTRACT OF THE DISCLOSURE A catch flow restrictor plate to control surcharging of water in a sewer system. The restrictor plate is to be placed in a catch basin and consists of a tray, which comprises an upper edge, downwardly sloping walls descending from the upper edge, the walls merging into a central portion. The central portion has a plurality of concentric calibration lines formed therein enabling to form an opening of a selected size by removing part of the central portion along a selected calibration line. A plurality of vertical fins are provided that radially extend from the central portion to the upper edge. The upper edge is arranged to hold the tray within a frame of the catch basin.

590086

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