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Products
Electric lubrication pump
Hand (foot) dynamic lubrication pump
Manual (electric) gasoline pump
Distributor, oiler
Dry oil control, control valve and other accessories
Thin oil lubrication device and thin oil station
Thin oil lubricated parts
Oil and gas lubrication systems and devices
Electrical control box
Piping accessories
contact details
Phone: 0513-83660308
0513-83905568
Fax: 0513-83660318
Mobile: 13767709919
Website: winvtech.com
Email: djrh888@163.com

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Card sleeve type butt-through pipe joint (25MPa, 40MPa)
This standard specifies a card-type butt-through pipe joint, which is applicable to pipeline systems for oil, gas and general corrosive media.
Mark example:
Card sleeve butt-through pipe joint with nominal pressure class J and tube outer diameter D0 of 14mm:
Pipe joint J14 GB / T3756.1-1983
Tube outer diameter D0
Nominal diameter DN
d5
l1≈
L≈
Wrench size
e
e1
Weight (kg / 100 pieces)
S
S1
G (25)
4
3
25
56
13
15
15
17.3
4.22
5
3.5
4.22
6
4
30.4
65
16
18.5
6.63
8
6
36
72
15
18
17.3
20.8
9.52
10
8
38
78
18
twenty one
20.8
24.2
12.2
12
10
39
79
twenty one
twenty four
24.2
27.7
16
14
12
18.5
16
14
40
82
twenty four
27
27.7
31.2
23.5
18
15
41
83
27
30
31.2
34.6
39.9
20
17
44
91
30
34
34.6
39.3
37.7
twenty two
19
53
99
34
36
39.3
41.6
49.4
25
twenty two
103
36
41
41.6
47.3
65.9
28
twenty four
55
107
41
47.3
67.9
32
27
57
111
46
50
53.1
57.7
99.3
34
30
113
71.3
40
34
58
114
50
55
57.7
63.5
112.
42
36
55
60
63.5
69.3
139
J (40)
6
3
38
74
16
18
18.5
20.8
11.0
8
5
76
18
twenty one
20.8
24.2
13.4
10
7
41
83
twenty one
twenty four
24.2
27.7
18.2
12
8
27.7
21.7
14
10
42
86
twenty four
27
31.2
31.2
28
16
12
27
30
34.6
34.4
18
14
45
91
30
34
34.6
39.3
40.4
20
16
55
109
34
36
39.3
41.6
56.2
twenty two
18
57
114
36
41
41.6
47.3
74.7
25
20
61
119
41
47.3
79.4
28
twenty two
63
122
46
53.1
99.3
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Address: Chengdong Industrial Park, Qidong City Phone: 0513-83660308, 83905568 Fax: 0513-83660318 Email: djrh888@163.com