The ASME B16.11 Threadolet refers to a forged threaded branch connection fitting that primarily used for branching connections between main and branch pipes in piping systems. Its core feature is the threaded connection at the branch end, allowing for assembly without welding, combining reliable connection with easy installation. It is widely used in industrial piping systems requiring high pressure and high reliability.
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Thread Types
Common thread types include NPT (American National Standard Pipe Thread), BSPP (British Standard Pipe Parallel Thread), BSPT (British Standard Pipe Taper Thread), PT, etc. The appropriate thread type can be selected based on actual connection requirements to ensure connection sealing and tightness.
Key Advantages
Convenient Connection: Threaded connection eliminates the need for welding, simplifying the installation process, reducing on-site construction difficulties, and facilitating subsequent disassembly and maintenance.
High Structural Strength: Produced using forging technology, resulting in high material density, capable of withstanding medium to high pressure conditions, and suitable for complex industrial environments.
Wide Adaptability: Available in various materials, pressure ratings, and sizes to meet the needs of different media and operating conditions in piping systems.
ASME B16.11 Threadolet Application Areas
Oil and Gas Industry: Used for branch connections in oil and gas extraction and transportation pipelines, suitable for the transmission of crude oil, natural gas, and other media.
Chemical and Petrochemical Industry: Suitable for piping systems handling chemical raw materials and corrosive media, such as acid and alkali solutions and solvent transmission pipelines.
Power Industry: Used for high-temperature and high-pressure pipeline branches in power generation units such as thermal and nuclear power plants, suitable for steam, hot water, and other media.
Marine Engineering: Suitable for piping systems on ships and offshore platforms, resistant to marine salt spray corrosion.
Other Industrial Fields: Including medium and high-pressure pipeline branch connection scenarios in metallurgy, pharmaceuticals, water treatment, and other industries.
|
Run pipe nominal size |
Branch pipe nominal size |
Face of fitting to crotch |
Diameter of fitting |
Diameter a tend of branch pipe |
Length of thread |
Hole diameter |
||||||
|
DN |
NPS |
DN |
NPS |
A |
D1min |
D2min |
L2min |
d1 nom |
||||
|
3000 |
6000 |
3000 |
6000 |
3000 |
6000 |
3000 |
6000 |
|||||
|
8-900 |
1/4-36 |
6 |
1/8 |
19 |
一 |
27 |
一 |
22 |
一 |
6.7 |
16 |
一 |
|
10-900 |
3/8-36 |
8 |
1/4 |
19 |
一 |
27 |
一 |
22 |
一 |
10.2 |
16 |
一 |
|
15-900 |
1/2-36 |
10 |
3/8 |
21 |
一 |
30 |
一 |
25 |
一 |
10.4 |
19 |
一 |
|
20-900 |
3/4-36 |
15 |
1/2 |
25 |
32 |
38 |
45 |
33 |
42 |
13.6 |
24 |
19 |
|
25-900 |
1-36 |
20 |
3/4 |
27 |
37 |
47 |
52 |
39 |
48 |
13.9 |
30 |
25 |
|
32-900 |
11/4-36 |
25 |
1 |
33 |
40 |
56 |
63 |
48 |
58 |
17.3 |
36 |
33 |
|
40-900 |
11/2-36 |
32 |
11/4 |
33 |
41 |
66 |
72 |
58 |
67 |
18.0 |
45 |
38 |
|
50-900 |
2-36 |
40 |
11/2 |
35 |
43 |
75 |
83 |
64 |
77 |
18.4 |
51 |
49 |
|
65-900 |
21/2-36 |
50 |
2 |
38 |
52 |
90 |
104 |
77 |
93 |
19.2 |
65 |
59 |
|
80-900 |
3-36 |
65 |
21/2 |
46 |
一 |
105 |
一 |
94 |
一 |
28.9 |
76 |
一 |
|
100-900 |
4-36 |
80 |
3 |
51 |
一 |
124 |
一 |
114 |
一 |
30.5 |
94 |
一 |
|
125-900 |
5-36 |
100 |
4 |
57 |
一 |
154 |
一 |
140 |
一 |
33.0 |
121 |
一 |
