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Serving all of the USA, Canada, Australia and the Middle East, MIFAB can provide you with the quality, engineered plumbing and drainage solutions you need. Innovative product designs save the installer time and material cost and provides the owner with higher quality cast stainless steel drains and cleanouts for the same cost as the industry standard nickel bronze. Contact us today to learn more.

All Categories  > Fabricated Stainless Steel Drains  > P4120 - 12" x 12" Stainless Steel Fabricated Floor Sink with Radiused Inside Sump
P4120 - 12" x 12" Stainless Steel Fabricated Floor Sink with Radiused Inside Sump

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MIFAB® Series P4120, 12” x 12” x 8" deep floor sink manufactured out of 16 gauge, Type 304 stainless steel with anchor tabs and slotted Load Class "A" Light duty stainless steel full ADA compliant grate. Free area of 51 square inches. Bottom outlets are available in 2”, 3”, 4” or 6” no hub outlet connections (specify outlet size) and fabricated as part of the floor sink. Also available with an optional anchor flange flange (Suffix -FL) and B, C, or D load rated grates.

Load Rating
5,000 to 7,500 lbs.
Item Name

P4120 - Heavy Duty 12" x 12" Steel Floor Sinks with Optional "FL" Anchor Flange [P4120(-FL)]


Used in industrial, commercial, kitchen, and other hygienic and/or corrosive environments. Type 304 stainless steel construction provides for ease of cleaning, maintenance, and sanitary installation.
  • Heavy duty 12" (305 mm) square Type 304 stainless steel floor sink. 14 gauge body, 7 gauge (3/16") grate.
  • Slotted grate design for easy cleaning and maintenance and meets ADA/TAS requirements.
  • Bead blasted finish for areas requiring high sanitation such as kitchens/labs/science rooms/grocery/healthcare facilities.
  • Meets or exceeds ASME A112.6.3, A112.3.1, standards for Stainless Steel drainage systems, ANSI, ASTM and others.
  • Heavy duly design for load rating of 5,000 lbs. to 7,500 lbs.
  • Available in Type 316 S/S for highly corrosive areas.
  • Special duty load rating grates (over 10,000 lbs.) available.
  • Dimensional Drawing
    File Not Found


    Outlet Size
    Optional Variations
    Anchor Flange-FL,3/4 grate-175,Membrane clamp (two pieces)-C,Stainless steel 4" round funnel with hardware-F4,Stainless steel 4" x 9" oval funnel with hardware-G,Slip resistant grate-NS,Perforated standout grate-PS,Sediment Bucket with handle-SB,Secondary strainer (in outlet)-21,Chained grate-23,Chained grate with lock-23-6,Type 316 stainless steel grate and body-29,90 side outlet (2", 3" or 4" No Hub)-90NH,Vandal resistant grate/cover-6,1/2" trap seal primer tapping-7,Hinged grate-9,Hinged grate with lock-9-6,10" deep body-10,Less grate-22,Solid secured cover with gasket-24,Solid secured cover with perimeter drainage-24P,2 1/2" center grate opening-51,Half grate-150,Extra heavy duty load rated solid secured cover with gasket (over 10,000 lb.)-24X,Extra heavy duty load rated solid secured cover with perimeter drainage (over 10,000 lb.)-24PX,Extra heavy duty perforated grate (up to 10,000 lb.)-HDP,Extra heavy duty slip resistant grate (up to 10,000 lb.)-XNS,Extra heavy duty slotted grate (up to 10,000 lb.)-HD,Special duty load rated grates (over 10,000 lbs)

    Type 304 Stainless Steel

    Free Area Rating
    26 in2
    Custom Length
    Grate Thickness
    MIFAB, Inc.
    1321 West 119th Street Chicago, IL 60643
    Toll Free: 800.465.2736
    Tel: 773.341.3030
    Fax: 773.341.3047
    E-mail: sales@mifab.com