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Reducers
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Tapered reducers are contact molded with a standard slope in
concentric or eccentric configurations.
Length is calculated as follows: L = 2½ (D1 - D2)
Centerline offset of eccentric reducers is calculated as follows:
E = ½ (D1 - D2)
Stub end flanges, duct flanges and full face drilled flanges can be provided on the large end of all reducers. An additional
flange fitting is required on the small end.
Flanged reducers can be provided in configurations shown below, with any flange type.
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D1
X D2
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L
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D1
X D2
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L
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3
x 2
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2½
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20
x 18
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5
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3
x 1.5
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3
3/4
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20
x 16
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10
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4
x 3
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2½
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20
x 14
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15
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4
x 2
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5
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24 x 20
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10
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6
x 4
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5
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24 x 18
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15
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6
x 3
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7½
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24 x 16
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20
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6
x 2
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10
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26 x 24
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5
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8
x 6
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5
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26 x 20
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15
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8
x 4
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10
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26 x 18
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20
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8
x 3
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12½
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28 x 26
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5
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10
x 8
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5
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28 x 26
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10
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10
x 6
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10
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28 x 20
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20
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10
x 4
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15
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30 x 24
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15
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12
x 10
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5
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30 x 20
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25
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12
x 8
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10
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30 x 18
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30
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12
x 6
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15
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30 x 16
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35
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14
x 12
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5
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36 x 30
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15
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14
x 10
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10
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36 x 24
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30
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14
x 8
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15
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42 x 36
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15
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16
x 14
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5
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42 x 30
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30
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16
x 12
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10
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48 x 42
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15
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16
x 10
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15
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48 x 36
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30
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18
x 16
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5
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54 x 48
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15
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18
x 14
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10
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54 x 42
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30
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18
x 12
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15
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60 x 54
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15
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18
x 10
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20
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60
x 48
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30
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