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Couplings & Flanges
Stainless flat flange PN16 (304L/316L)
Stainless 304L or 316L flat welding flange for 16 bar nominal pressure, Type A joint face, NF EN 1092-1. DN 50 to 500.
Available references
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SMEEPIA — DATA SHEET
Technical specifications
Flat welding flanges in stainless 304L and 316L, Type A flat joint faces, manufactured per NF EN 1092-1. Specific bores for SMS or metric tubing and other joint face types (B to H) available on request.
PN16 flat flanges
| DN | Tube Ø (mm) | Bore d1 (mm) | Flange Ø D (mm) | Thickness b (mm) | Drilling (n × Ø) | Weight (kg) |
|---|---|---|---|---|---|---|
| 50 | 60,3 | 61,5 | 165 | 19 | 4 × 18 | 2,80 |
| 65 | 76,1 | 77,5 | 185 | 20 | 8 × 18 | 3,00 |
| 80 | 88,9 | 90,5 | 200 | 20 | 8 × 18 | 3,95 |
| 100 | 114,3 | 116,0 | 220 | 22 | 8 × 18 | 4,40 |
| 125 | 139,7 | 141,5 | 250 | 22 | 8 × 18 | 5,90 |
| 150 | 168,3 | 170,5 | 285 | 24 | 8 × 22 | 7,10 |
| 200 | 219,1 | 221,5 | 340 | 26 | 12 × 22 | 10,00 |
| 250 | 273,0 | 276,5 | 405 | 29 | 12 × 26 | 14,00 |
| 300 | 323,9 | 327,5 | 460 | 32 | 12 × 26 | 19,00 |
| 350 | 355,6 | 359,5 | 520 | 35 | 16 × 26 | 28,00 |
| 400 | 406,4 | 411,0 | 580 | 38 | 16 × 30 | 36,00 |
| 450 | 457,2 | 462,0 | 640 | 42 | 20 × 30 | 46,00 |
| 500 | 508,0 | 513,5 | 715 | 46 | 20 × 33 | 64,00 |
Norms & standards
NF EN 1092-1ISO PNInox 304L / 316L