Valves & Gates : Flap Valves & Flap Gates

Neenah Foundry offers a variety of cast iron flap gates. Select from the list below to find the flap gates that fit your needs.

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Catalog Number Description Inside Diameter Laying Length Diameter A B C D E F N S
R-5050-CF48 Automatic Drainage Gate 48 49-1/2 54 56-1/2 54 1-1/2 49-1/2 Six 1
R-5050-SF48 Automatic Drainage Gate 48 49-1/2 54 56-1/2 54 1-1/2 49-1/2 Six 1
R-5050-CF42 Automatic Drainage Gate 42 43-1/2 47-1/2 49-1/2 47-1/2 1-3/8 43-1/2 Six 7/8
R-5050-SF42 Automatic Drainage Gate 42 43-1/2 47-1/2 49-1/2 47-1/2 1-3/8 43-1/2 Six 7/8
R-5050-CF36 Automatic Drainage Gate 36 37-1/2 41-1/2 43-1/2 41-1/2 1-3/8 37-1/2 Six 7/8
R-5050-SF36 Automatic Drainage Gate 36 37-1/2 41-1/2 43-1/2 41-1/2 1-3/8 37-1/2 Six 7/8
R-5050-CF30 Automatic Drainage Gate 30 31-1/4 34-1/4 36-1/2 34-1/4 1-1/4 31-1/4 Six 7/8
R-5050-SF30 Automatic Drainage Gate 30 31-1/4 34-1/4 36-1/2 34-1/4 1-1/4 31-1/4 Six 7/8
R-5050-SF27 Automatic Drainage Gate 27 28-1/4 31-1/4 33-1/4 31-1/4 1-1/4 28-1/4 Six 7/8
R-5050-FF24 Automatic Drainage Gate 24 25-1/4 28-1/4 30-1/4 28-1/4 1-1/4 25-1/4 Six 3/4
R-5050-CF24 Automatic Drainage Gate 24 25-1/4 28-1/4 30-1/4 28-1/4 1-1/4 25-1/4 Six 3/4
R-5050-SF24 Automatic Drainage Gate 24 25-1/4 28-1/4 30-1/4 28-1/4 1-1/4 25-1/4 Six 3/4
R-5050-CF21 Automatic Drainage Gate 21 22-1/4 25-1/8 27-1/4 25-1/8 1-1/4 22-1/4 Four 3/4
R-5050-SF21 Automatic Drainage Gate 21 22-1/4 25-1/8 27-1/4 25-1/8 1-1/4 22-1/4 Four 3/4
R-5050-FF20 Automatic Drainage Gate 20 22-1/4 25-1/8 27-1/4 25-1/8 1-1/4 22-1/4 Four 3/4
R-5050-CF20 Automatic Drainage Gate 20 22-1/4 25-1/8 27-1/4 25-1/8 1-1/4 22-1/4 Four 3/4
R-5050-SF20 Automatic Drainage Gate 20 22-1/4 25-1/8 27-1/4 25-1/8 1-1/4 22-1/4 Four 3/4
R-5050-FF18 Automatic Drainage Gate 18 19-1/4 22-1/8 24-1/4 22-1/8 1-1/4 19-1/4 Four 3/4
R-5050-CF18 Automatic Drainage Gate 18 19-1/4 22-1/8 24-1/4 22-1/8 1-1/4 19-1/4 Four 3/4
R-5050-SF18 Automatic Drainage Gate 18 19-1/4 22-1/8 24-1/4 22-1/8 1-1/4 19-1/4 Four 3/4
R-5050-CF15 Automatic Drainage Gate 15 16-1/4 19 21 18-3/4 1-1/8 16-1/4 Four 5/8
R-5050-SF15 Automatic Drainage Gate 15 16-1/4 19 21 18-3/4 1-1/8 16-1/4 Four 5/8
R-5050-FF12 Automatic Drainage Gate 12 13-1/4 15-7/8 18 15-3/4 1-1/8 13-1/4 Four 5/8
R-5050-CF12 Automatic Drainage Gate 12 13-1/4 15-7/8 18 15-3/4 1-1/8 13-1/4 Four 5/8
R-5050-SF12 Automatic Drainage Gate 12 13-1/4 15-7/8 18 15-3/4 1-1/8 13-1/4 Four 5/8
R-5050-FF10 Automatic Drainage Gate 10 11-1/4 13-1/2 15-1/5 13-1/2 1-1/8 11-1/4 Four 5/8
R-5050-CF10 Automatic Drainage Gate 10 11-1/4 13-1/2 15-1/5 13-1/2 1-1/8 11-1/4 Four 5/8
R-5050-SF10 Automatic Drainage Gate 10 11-1/4 13-1/2 15-1/5 13-1/2 1-1/8 11-1/4 Four 5/8
R-5050-FF8 Automatic Drainage Gate 8 9-1/4 11 13 11 1-1/8 9-1/4 Four 5/8
R-5050-CF8 Automatic Drainage Gate 8 9-1/4 11 13 11 1-1/8 9-1/4 Four 5/8
R-5050-SF8 Automatic Drainage Gate 8 9-1/4 11 13 11 1-1/8 9-1/4 Four 5/8
R-5050-FF6 Automatic Drainage Gate 6 7 11 13 11 3/4 7 Four 5/8
R-5050-CF6 Automatic Drainage Gate 6 7 11 13 11 3/4 7 Four 5/8
R-5050-SF6 Automatic Drainage Gate 6 7 11 13 11 3/4 7 Four 5/8
R-5040-F8 Flap and Flush Valve Frame, Lid 15 14
R-5040-F6 Flap and Flush Valve Frame, Lid 12 8
R-5040-F5 Flap and Flush Valve Frame, Lid 10 5-1/2
R-5040-F4 Flap and Flush Valve Frame, Lid 8 7-1/2
R-5040-F3 Flap and Flush Valve Frame, Lid 6 4-1/2
R-5040-F1 Flap and Flush Valve Frame, Lid 4 4
R-5004-A5 Flanged Flap Valve 12 8
R-5004-A4 Flanged Flap Valve 10 5-1/2
R-5004-A3 Flanged Flap Valve 8 7-1/2
R-5004-A2 Flanged Flap Valve 6 4
R-5004-A1 Flanged Flap Valve 4 4
All dimensions are listed in inches unless otherwise noted.
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