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pipe couplings
Steel Pipe Couplings
figure 380
Water Well Reamed &
Drifted Couplings
Size
Outside Diameter
(Coupling)
Length
Unit Weight
NPS
DN
in
mm
in
mm
lbs
kg
1
1
⁄
4
32
1.900
48
2
3
⁄
4
70
0.60
0.27
1
1
⁄
2
40
2.200
56
2
3
⁄
4
70
0.84
0.38
2
50
2.750
70
3
3
⁄
8
86
1.58
0.72
2
1
⁄
2
65
3.250
83
3
15
⁄
16
100
2.32
1.05
3
80
4.000
102
4
1
⁄
16
103
3.80
1.72
3
1
⁄
2
90
4.625
117
4
3
⁄
16
106
5.53
2.51
4
100
5.200
132
4
5
⁄
16
110
7.14
3.24
5
125
6.296
160
4
1
⁄
2
114
9.57
4.34
6
150
7.390
188
4
11
⁄
16
119
12.32
5.59
8
200
9.625
244
5
1
⁄
16
129
22.35
10.14
10
250
11.750
298
5
9
⁄
16
141
30.60
13.88
12
300
14.000
356
5
15
⁄
16
151
48.00
21.77
• Manufactured in accordance with ASTM specifcation A589.
• All sizes are recessed Taper Tapped
3
⁄
4
" per foot on diameter.
• Sizes over 2" have threads phosphated and outside painted light blue.
The Galvanized have a light blue band around the center of the coupling.
figure 379
Shallow Well Couplings
Size
Outside Diameter
(Coupling)
Length
Unit Weight
NPS
DN
in
mm
in
mm
lbs
kg
1
1
⁄
4
32
2.054
52
2
3
⁄
4
70
1.03
0.47
1
1
⁄
2
40
2.200
56
2
3
⁄
4
70
0.90
0.41
2
50
2.875
73
2
7
⁄
8
73
1.86
0.84
• The 1
1
⁄
4
" are Straight Tapped and recessed.
• The 1
1
⁄
2
and 2" are Taper Tapped
3
⁄
4
" per foot on diameter and recessed.
• The 2" threads are electroplated.
figure 381
#9 Drive Couplings
Size
Outside Diameter
(Coupling)
Length
Unit Weight
NPS
DN
in
mm
in
mm
lbs
kg
1
1
⁄
4
32
2.054
52
2
3
⁄
4
70
1.00
0.45
1
1
⁄
2
40
2.200
56
2
3
⁄
4
70
0.84
0.38
2
50
2.875
73
3
3
⁄
8
86
2.14
0.97
• All sizes are Taper Tapped
3
⁄
4
" per foot on diameter.