Figure Number: 9780

9780Large General Purpose Stainless Steel Roof Drain

This large 15-1/4" (390) diam. CF8 rough finish stainless steel (equivalent to type 304) general purpose roof drain is designed to evacuate heavy rainfalls from flat roofs of any construction. The combination flashing clamp and gravel stop of this unit grips roof waterproofing materials without puncturing to provide a leakproof seal. The drain body and flange assembly are made of Duco coated cast iron. It protects dran lines with a polyethylene dome strainer. 

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Shows specifications for standard configuration. Configuration options may change specifications.
  • Variations
    90° Side Outlet (Specify Fig. 9759) - for Side, Secured Dome -SD, Underdeck Clamp -C, Vandal Proof - Dome - U, Buttweld Outlet -BW (Specify Schedule -S05, -S10, -S40, -S80), (2) 3/8” (10) Tappings -TAP
  • Optional Materials
    A-27 Carbon Steel Body - A27B, A-27 Carbon Steel Clamping Collar -A27C, A-27 Carbon Steel Dome -A27D, Cast Iron Dome -CID, CF8M (Equivalent to Type 316) Stainless Steel -316 - Body, CF8M (Equivalent to Type 316) Stainless Steel Clamping Collar -316C, CF8M (Equivalent to Type 316) Stainless Steel Dome -316D
  • Product Type
    Roof Drain
Technical Drawings
9780 Roof Drain (dwg)Stainless Steel Roof Drain [9780-BW | Butt Weld Bottom Outlet; 9780Y | No-Hub Bottom Outlet; No Suffix | CF8 Type 304 Stainless Steel; Suffix -A27 | A-27 Carbon Steel; Suffix -316 | CF8M Type 316 Stainless Steel]DWG68 KB
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Bottom Outlet
9780-BW | Butt Welded
9780Y | No-Hub

No Suffix | CF8 Type 304 Stainless Steel
Suffix -A27 | A-27 Carbon Steel
Suffix -316 | CF8M Type 316 Stainless Steel