Couplings
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| Name | Connection | End connection type (input x output) | Inner diameter, ID (mm) | Length, l (mm) | Model | Nominal diameter, DN | Nominal size, NPS (inch) | Nominal size, NPS2 (inch) | Outer diameter, OD (mm) | Size | Standard | Steel grade | Thread type | Type of fitting | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coupling DUR O LOK 1" SCH 80 BW | BW - butt welding | — | 0 | 88.9 | — | 0 | 1" | — | 33.53 | — | — | ASME SA182-F321 | — | Coupling connecting DUR O LOK | 0.95 |
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| Coupling DUR O LOK 1" SCH 80 BW | BW - butt welding | — | 0 | 88.9 | — | 0 | 1" | — | 33.53 | — | — | A420 Gr. WPL6 | — | Coupling connecting DUR O LOK | 0.95 |
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| Coupling DUR O LOK 1" SCH 80 BW | BW - butt welding | — | 0 | 88.9 | — | 0 | 1" | — | 33.53 | — | — | A234 Gr. WPB | — | Coupling connecting DUR O LOK | 0.95 |
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| Stainless steel coupling DUR O LOK 3" SCH 160 BW | BW - butt welding | — | 0 | 165.1 | — | 0 | 3" | — | 88.9 | — | — | A403 Gr. WP321 | — | Coupling DUR O LOK | 6 |
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| Stainless steel coupling DUR O LOK 3" SCH 160 BW | BW - butt welding | — | 0 | 165.1 | — | 0 | 3" | — | 88.9 | — | — | A403 Gr. WP316 | — | Coupling DUR O LOK | 6 |
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| Stainless steel coupling DUR O LOK 3" SCH 160 BW | BW - butt welding | — | 0 | 165.1 | — | 0 | 3" | — | 88.9 | — | — | A403 Gr. WP304 | — | Coupling DUR O LOK | 6 |
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| American 3" CL3000 SW BS 3799 | SW - overlap welding | RExRE - smooth ends | 78 | 102 | — | 80 | 3" | — | 98 | — | BS 3799 | A350 Gr. LF2 CL 1 | — | Coupling-American conical | 5.15 |
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| American 3" CL3000 SW BS 3799 | SW - overlap welding | RExRE - smooth ends | 78 | 102 | — | 80 | 3" | — | 98 | — | BS 3799 | A182 Gr. F91 | — | Coupling-American conical | 5.15 |
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| American 3" CL3000 SW BS 3799 | SW - overlap welding | RExRE - smooth ends | 78 | 102 | — | 80 | 3" | — | 98 | — | BS 3799 | A182 Gr. F9 | — | Coupling-American conical | 5.15 |
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| American 3" CL3000 SW BS 3799 | SW - overlap welding | RExRE - smooth ends | 78 | 102 | — | 80 | 3" | — | 98 | — | BS 3799 | A182 Gr. F22 | — | Coupling-American conical | 5.15 |
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