MIFAB R1200-F-U 15" Large Sump Roof Drain with Parabolic Flow Control Weir, Under-Deck Clamp, 2" 3" 4" 6" No-Hub Connection.
Used to control the flow of rain water off of the roof. Slotted weirs reduce the volume of water to the leader. Specify -F1, -F2 or -F3 for one, two or three slots to attain the required limitation of volume. Flow performance per weir is 10 GPM per inch of water per slot.
MIFAB® Series R1200-F lacquered cast iron deep sump roof drain with anchor flange, large cast iron water proofing membrane clamp ring with integral gravel stop, accuflow parabolic weir (specify -F1, -F2, -F3 for one, two or three slots), and standard self-locking polydome strainer with a free area of 125 square inches.
- MIFAB R1200-F-U: Specification Submittal
- MIFAB R1200-F-U: Controlled Flow Roof Drains Design Considerations
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