
Product Introduction
Pipe cap is a crucial component for pipeline systems. It plays an important role in various industrial, construction, home and other applications, ensuring the integrity and functionality of pipeline systems. So, what exactly is a pipe cap, and what are its characteristics and applications?
Overview of pipe caps
A pipe cap, also known as a pipe end cap or pipe plug, is a device installed at the end of a pipeline or at the opening of a pipeline that needs to be closed. Its main function is to seal the pipeline, prevent liquid or gas leakage, and protect the interior of the pipeline from external environmental influences. At the same time, the pipe cap can also serve as an inspection port, facilitating maintenance and inspection of the pipeline.
Characteristics of pipe caps
1. Diverse materials: The material of the pipe cap can be selected according to the needs of the pipeline system, such as metal, plastic, rubber, etc.
2. Good sealing performance: The pipe cap has good sealing performance, which can effectively prevent the leakage of liquids or gases.
3. Corrosion resistance: According to different usage environments and media, pipe caps can be made of materials with corrosion resistance to extend their service life.
4. Strong pressure resistance: The pipe cap can withstand the pressure inside the pipeline, ensuring the safe operation of the pipeline system.
Application of pipe cap
Pipe caps are widely used in various fields such as petroleum, chemical, metallurgical, power, and construction. For example, in the process of oil exploration and extraction, pipe caps are used to seal oil well pipelines and prevent crude oil leakage; In chemical production, pipe caps are used to seal the openings of various reaction vessels and pipelines, ensuring the smooth progress of the production process; In the field of construction, pipe caps are used to seal water supply and drainage pipelines, preventing waste and pollution of water resources.
How to choose the appropriate pipe cap
Choosing the appropriate pipe cap requires consideration of the actual requirements of the pipeline system, such as material, specifications, pressure rating, etc. In addition, it is necessary to consider the characteristics of the usage environment and medium, and choose pipe caps with corrosion resistance and adaptability.
In short, as an important component in pipeline systems, pipe caps are of great significance in ensuring the normal operation and safe use of pipeline systems. When selecting and using pipe caps, it is necessary to consider and choose according to the actual situation. By understanding the characteristics and applications of pipe caps, we can better select and use them, providing more reliable and safe guarantees for pipeline systems.
Technical parameters
Nominal diameter | End outer diameter | Distance from back face to end face | ||||
DN | NPS | Series A | Series B | E | Ultimate thickness T at length E | E1 |
15 | 1/2 | 21.3 | 18 | 25 | 4.57 | 25 |
20 | 3/4 | 26.9 | 25 | 25 | 3.81 | 25 |
25 | 1 | 33.7 | 32 | 38 | 4.57 | 38 |
32 | 1.1/4 | 42.4 | 38 | 38 | 4.83 | 38 |
40 | 1.1/2 | 48.3 | 45 | 38 | 5.08 | 38 |
50 | 2 | 60.3 | 57 | 38 | 5.59 | 44 |
65 | 2.1/2 | 76.1(73) | 76 | 38 | 7.11 | 51 |
80 | 3 | 88.9 | 89 | 51 | 7.62 | 64 |
90 | 3.1/2 | 101.6 | 64 | 8.13 | 76 | |
100 | 4 | 114.3 | 108 | 64 | 8.64 | 76 |
125 | 5 | 139.7 | 133 | 76 | 9.65 | 89 |
150 | 6 | 168.3 | 159 | 89 | 10.92 | 102 |
200 | 8 | 219.1 | 219 | 102 | 12.7 | 127 |
250 | 10 | 273 | 273 | 127 | 12.7 | 152 |
300 | 12 | 323.9 | 325 | 152 | 12.7 | 178 |
350 | 14 | 355.6 | 377 | 165 | 12.7 | 191 |
400 | 16 | 406.4 | 426 | 178 | 12.7 | 203 |
450 | 18 | 457.2 | 478 | 203 | 12.7 | 229 |
500 | 20 | 508 | 529 | 229 | 12.7 | 254 |
550 | 22 | 559 | 254 | 12.7 | 254 | |
600 | 24 | 610 | 630 | 267 | 12.7 | 305 |
650 | 26 | 660 | 267 | 1 | 1 | |
700 | 28 | 711 | 720 | 267 | 1 | |
750 | 30 | 762 | 267 | 1 | ||
800 | 32 | 813 | 820 | 267 | ||
850 | 34 | 864 | 267 | 1 | ||
900 | 36 | 914 | 920 | 267 | 1 | |
950 | 38 | 965 | 305 | 1 | ||
1000 | 40 | 1016 | 1020 | 305 | ||
1050 | 42 | 1067 | 305 | |||
1100 | 44 | 1118 | 1120 | 343 | ||
1150 | 46 | 1168 | 343 | |||
1200 | 48 | 1220 | 1220 | 343 | ||
Note: Height E is applicable when T does not exceed the value in brackets, otherwise E1 height should be used. |
Keywords

Stainless Steel Socket Welded Pipe Cap
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