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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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Welded pipe joints (31.5MPa)
This standard applies to flared end straight pipe joints for pipeline systems with oil and gas as the medium.
Mark example:
Flared end straight pipe joint with pipe outside diameter D0 of 10mm:
Pipe joint 10 GB5625.1-85
Tube outer diameter DO
d0
d
l
l1≈
e1
e
s1
s
Weight (kg / 100 pieces)
4
3
M10 1
8
31.5
15
17.3
13
15
2.99
5
3.5
3.5
6
4
35.5
17.3
15
4.82
8
6
M12 1.5
12
44
20.8
18.5
18
16
5.95
10
8
M14 1.5
45
24.2
20.8
twenty one
18
7.86
12
10
M16 1.5
45.5

27.7

24.2
twenty four
twenty one
9.95
14
12
M18 1.5
31.2
27.7
27
twenty four
18.3
16
14
M22 1.5
14
49
34.6
31.2
30
27
17.1
18
15
17.8
20
17
M27 2
16
58.5
41.6
39.3
36
34
29.2
twenty two
19
59.5
31.7
25
twenty two
M33 2
18
64
47.3
47.3
41
41
42.5
28
twenty four
66.6
53.1
46
50
32
27
M42 2
20
71
57.7
57.7
50
50
67.7
34
30
71.5
68.3
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Address: Chengdong Industrial Park, Qidong City Phone: 0513-83660308, 83905568 Fax: 0513-83660318 Email: djrh888@163.com