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Butt-Welding Pipe Fittings
- Specification
Nominal Bore
Outside Diameter
Length
Limiting Wall Thickness
E
E1
mm
inches
mm
inches
mm
inches
mm
inches
1/2"
21.34
0.84
25.40
1.00
25.40
1.00
3.37
0.13
3/4"
26.67
1.05
25.40
1.00
25.40
1.00
3.91
0.15
1"
33.53
1.32
38.10
1.50
38.10
1.50
4.55
0.18
1-1/4"
42.16
1.66
38.10
1.50
38.10
1.50
4.85
0.19
1-1/2"
48.26
1.90
38.10
1.50
38.10
1.50
5.08
0.20
2"
60.45
2.38
38.10
1.50
44.45
1.75
5.54
0.22
2-1/2"
73.15
2.88
38.10
1.50
50.80
2.00
7.01
0.28
3"
88.90
3.50
50.80
2.00
63.50
2.50
7.62
0.30
3-1/2"
101.60
4.00
63.50
2.50
76.20
3.00
8.08
0.32
4"
114.30
4.50
63.50
2.50
76.20
3.00
8.56
0.34
5"
141.22
5.56
76.20
3.00
88.90
3.50
9.53
0.38
6"
168.15
6.62
88.90
3.50
101.60
4.00
10.97
0.43
8"
218.95
8.62
101.60
4.00
127.00
5.00
12.70
0.50
10"
273.05
10.75
127.00
5.00
152.40
6.00
12.70
0.50
12"
323.85
12.75
152.40
6.00
177.80
7.00
12.70
0.50
14"
355.60
14.00
165.10
6.50
190.50
7.50
12.70
0.50
16"
406.40
16.00
177.80
7.00
203.20
8.00
12.70
0.50
18"
457.20
18.00
203.20
8.00
228.60
9.00
12.70
0.50
20"
508.00
20.00
228.60
9.00
254.00
10.00
12.70
0.50
22"
558.80
22.00
254.00
10.00
254.00
10.00
12.70
0.50
24"
609.60
24.00
266.70
10.50
304.80
12.00
12.70
0.50
GENERAL NOTES:
(1) Length E applies for thickness not exceeding that given in column “Limiting Wall Thickness for Length E.”
(2) Length E1 applies for thickness greater than that given in column “Limiting Wall Thickness” for NPS 24 (DN 600) and smaller. For NPS 26 (DN 65) and larger, length E1 shall be by agreement between manufacturer and purchaser. For further information, please contact DIE ERSTE sales.
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