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GOST17379 Steel Butt Welding Cap Our company specializes in the production of various materials head cap, head cap industry is the rapid development of our company's constant innovation, and constantly open up, and strive to build high-quality steel cap products. I adhere to the quality of the first companies, the principle of the first users, for the vast number of old and new customers to provide quality products.
GOST17379 Steel Butt Welding Cap specifications A series
| DN | D | Т | К | Масса, кг | DN | D | Т | К | Масса, кг |
| 15 | 21,3 | 2,0 | 25 | - | 150 | 168,3 | 4,5 | 89 | - |
| 3,2 | 0,04 | 7,1 | 2,90 | ||||||
| 4,0 | - | 11,0 | 4,40 | ||||||
| 20 | 26,9 | 2,0 | 25 | - | 200 | 219,1 | 6,3 | 102 | - |
| 3,2 | 0,07 | 8,0 | 5,00 | ||||||
| 4,0 | - | 12,5 | 7,60 | ||||||
| 25 | 33,7 | 2,3 | 38 | - | 250 | 273,0 | 6,3 | 152 | - |
| 3,2 | 0,10 | 10,0 | 9,80 | ||||||
| 4,5 | - | 300 | 323,9 | 7,1 | 178 | - | |||
| 32 | 42,4 | 2,6 | 38 | - | 10,0 | 14,00 | |||
| 3,6 | 0,14 |
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| 5,0 | - | 350 | 355,6 | 8,0 | 191 | - | |||
| 40 | 48,3 | 2,6 | 38 | - | 11,0 | 18,00 | |||
| 3,6 | 0,17 |
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| 5,0 | - | 400 | 406,4 | 8,8 | 203 | - | |||
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| 12,5 | 26,00 | ||||||
| 50 | 60,3 | 2,9 | 0,24 | 450 | 457,0 | 10,0 | 229 | 29,00 | |
| 4,0 | 0,32 | ||||||||
| 5,6 |
| 500 | 508,0 | 11,0 | 254 | 37,00 | |||
| 65 | 76,1 | 2,9 | - | 600 | 610,0 | 12,5 | 305 | 54,00 | |
| 5,0 | 0,39 | ||||||||
| 7,1 | 0,52 | 700 | 711,0 | - | 305 | - | |||
| 80 | 88,9 | 3,2 | 51 | - | 800 | 813,0 | - | 305 | - |
| 5,6 | 0,67 | ||||||||
| 8,0 | 0,91 | 900 | 914,0 | - | 305 | - | |||
| 100 | 114,3 | 3,6 | 64 | - | 1000 | 1016,0 | - | 305 | - |
| 6,3 | 1,20 | ||||||||
| 8,8 | 1,60 | ||||||||
| 125 | 139,7 | 4,0 | 76 | - | |||||
| 6,3 | 1,80 | ||||||||
| 10,0 | 2,80 |
A series
B series
| DN | D | Т | К | Масса, кг | DN | D | Т | К | Масса, кг |
| 25 | 32 | 2,0 | 15 | 0,1 | 50 | 57 | 3,0 | 30 | 0,2 |
| 3,0 | 0,1 | 5,0 | 0,3 | ||||||
| 32 | 38 | 2,0 | 20 | 0,1 | 65 | 76 | 3,5 | 40 | 0,4 |
| 3,0 | 0,1 | 6,0 | 0,5 | ||||||
| 40 | 45 | 2,5 | 0,1 | 80 | 89 | 3,5 | 45 | 0,6 | |
| 4,0 | 0,2 | 8,0 | 0,9 | ||||||
| 100 | 108 | 4,0 | 50 | 0,7 | 300 | 325 | 10,0 | 100 | 11,0 |
| 8,0 | 1,3 | 12,0 | 13,0 | ||||||
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| 18,0 | 19,0 | ||||||
| 114 | 4,0 | 0,7 | 20,0 | 21,0 | |||||
| 8,0 | 1,3 | 350 | 377 | 10,0 | 115 | 16,0 | |||
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| 12,0 | 19,0 | ||||||
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| 16,0 | 26,0 | ||||||
| 125 | 133 | 4,0 | 55 | 0,9 | 20,0 | 32,0 | |||
| 8,0 | 2,0 | 24,0 | 38,0 | ||||||
| 10,0 | 2,5 |
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| 150 | 159 | 4,5 | 65 | 1,5 |
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| 8,0 | 2,3 |
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| 11,0 | 3,2 | 400 | 426 | 10,0 | 125 | 19,0 | |||
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| 12,0 | 23,0 | ||||||
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| 16,0 | 30,0 | ||||||
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| 18,0 | 34,0 | ||||||
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| 22,0 | 42,0 | ||||||
| 168 | 4,5 | 1,5 | 26,0 | 50,0 | |||||
| 8,0 | 2,3 |
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| 11,0 | 3,2 |
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| 200 | 219 | 8,0 | 75 | 4,6 | 500 | 530 | 10,0 | 150 | 25,0 |
| 10,0 | 5,1 | 16,0 | 40,0 | ||||||
| 12,0 | 6,1 | 20,0 | 50,0 | ||||||
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| 22,0 | 55,0 | ||||||
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| 26,0 | 65,0 | ||||||
| 250 | 273 | 7,0 | 85 | 4,9 | 30,0 | 75,0 | |||
| 12,0 | 9,2 |
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| 14,0 | 11,0 |
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| 18,0 | 14,0 |
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High-quality products
Since most of the pipe fittings is for welding, in order to improve the quality of welding, the fittings end are bevelling groove, leaving a certain angle, with a certain edge, which is a relatively strict requirements, how thick edge, and how much deviation angle range has prescribed. Pipe fittings surface quality and mechanical properties and tubes are same. In order to facilitate welding, the connected steel pipe and the fittings materials are the same.
Our packaging
GOS Steel caps production process
Steel pipe caps workshop
Production Process
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