INSTALLATION INSTRUCTIONS
(continued)
Example 2
Duct Fitting Number
Total
Equivalent
of Fittings
Equivalent
Length
Length of
Fittings
5
"
to 6
"
Transition
1
1
1
6
"
Straight
1
2+4+6+4=16
16
6
"
Elbow
5
3
15
6
"
to
3
1
⁄
4
"
x10
"
Transition
1
1
1
3
1
⁄
4
"
x10
"
Straight
1
10
10
3
1
⁄
4
"
x10
"
Wall Cap
20
1
20
Total
63
Example 1
Duct Fitting Number
Total
Equivalent
of Fittings
Equivalent
Length
Length of
Fittings
5
"
to 6
"
Transition
1
1
1
6
"
Straight
1
2+4+6=12
12
6
"
Elbow
5
2
10
6
"
Wall Cap
28
1
28
Total
51
5
"
to 6
"
Transition
5
"
to 6
"
Transition
10
'
of 3
1
⁄
4
"
x10
"
Straight
6
"
to 3
1
⁄
4
"
x10
"
Transition
2
'
of 6
"
Round
2
'
of 6
"
Round
6
"
Elbow
6
"
Elbow
6
"
Elbow
6
"
Elbow
6
"
Elbow
4
'
of 6
"
Round
4
'
of 6
"
Round
4
'
of 6
"
Round
3
1
⁄
4
"
x10
"
Wall Cap
6
'
of 6
"
Round
6
'
of 6
"
Round
6
"
Wall Cap
24
Содержание JGP18
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