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Pipe Flanges
Backup Rings/Flanges
Ductile Iron Backup Rings/Flanges
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Ductile Iron Backup Rings/Flanges
(4)
Brands
Specified Fittings
(4)
Nominal Size
3
(1)
4
(1)
6
(1)
8
(1)
Bolt Hole Size
11-3/4
(1)
4-1/2
(1)
6
(1)
9-1/2
(1)
Connection Type
Flanged
(4)
Finish
Epoxy Coated
(4)
Inside Diameter
6.88
(2)
3-3/4
(1)
4-3/4
(1)
Material
Ductile Iron
(4)
Number of Bolt Holes
8
(3)
4
(1)
Outside Diameter
11
(1)
13-1/2
(1)
7-1/2
(1)
9
(1)
Pressure Class
150
(4)
Pressure Rating
200
(4)
Ductile Iron Backup Rings/Flanges
4 Products
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Specified Fittings
Specified Fittings BR3DR11 Backing Ring, 3 in Nominal, Ductile Iron, Flanged Connection, 150 lb
Mfr Part #
BR3DR11
Item #
1003607
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Specified Fittings
Specified Fittings BR6DR11 Backing Ring, 6 in Nominal, Ductile Iron, Flanged Connection, 150 lb
Mfr Part #
BR6DR11
Item #
1053891
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Specified Fittings
Specified Fittings BR4DR11 Backing Ring, 4 in Nominal, Ductile Iron, Flanged Connection, 150 lb
Mfr Part #
BR4DR11
Item #
137770
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Specified Fittings
Specified Fittings BR8DR11 Backing Ring, 8 in Nominal, Ductile Iron, Flanged Connection, 150 lb
Mfr Part #
BR8DR11
Item #
1078659
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