Phosphate Coating coupling
2 year ago
A tubing coupling is a device used to connect two pieces of tubing together. It is typically made of metal and has a threaded interior that allows for a secure and tight connection. Tubing couplings are commonly used in plumbing, oil and gas industries, and other applications where tubing needs to be joined together. They come in various sizes and materials to suit different types of tubing and operating conditions.
Label 1
Size a
Outside Diameter
Minimum
Length
N L
mm
Diameter
Of recess
Q
mm
Width of bearing face regular
B
mm
Maximum bearing face diameter
B f
Mass
kg
Outside
Diameter
D
mm
EU Regular
W bmm
EU Special Clearance
W c cmm
NU
EU
NU
EU
NU
EU
NU
EU
NU
EU
NU
Regular with special bevel
mm
Special clearance
mm
Regular with special bevel
mm
Special clearance
mm
1
2
3
4
6
6
7
8
9
10
11
12
13
14
15
16
17
1.050
26.67
42.16
---
33.35
82.55
80.96
35.00
28.27
2.38
1.59
37.80
---
30.00
0.38
---
0.23
1.315
33.40
48.26
---
42.16
88.90
82.55
38.89
35.00
2.38
2.38
42.77
---
37.80
0.57
---
0.38
1.660
42.16
55.88
---
52.17
95.25
88.90
47.63
43.76
3.18
3.18
50.95
---
47.17
0.68
---
0.59
1.900
48.26
63.50
---
55.88
98.42
95.25
54.76
49.86
3.18
1.59
58.34
---
52.07
0.84
---
0.56
2 3/8
60.32
77.80
73.91
73.02
123.82
107.95
67.46
61.93
3.97
4.76
71.83
69.90
66.68
1.55
1.07
1.28
2 7/8
73.02
93.17
87.88
88.90
133.35
130.18
80.16
74.63
5.56
4.76
85.88
83.24
80.98
2.40
1.55
2.34
3 1/2
88.90
114.30
106.17
107.95
146.05
142.88
96.85
90.50
6.35
4.76
104.78
100.71
98.42
4.10
2.38
3.71
4
101.60
127.00
---
120.65
152.40
146.05
109.55
103.20
6.35
4.76
117.48
---
111.12
4.82
---
4.35
4 1/2
114.30
141.30
---
132.08
158.75
155.58
122.25
115.90
6.35
4.76
130.96
---
123.19
6.05
---
4.89
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