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| C(inch) | L(mm) | Be-cu(g) | Al-cu(g) |
1 | 3/8 | 75 | 93 | 80 |
2 | 3/8 | 150 | 185 | 160 |
3 | 1/2 | 100 | 245 | 225 |
4 | 1/2 | 125 | 260 | 230 |
5 | 1/2 | 200 | 485 | 445 |
6 | 1/2 | 250 | 510 | 455 |
7 | 3/4 | 200 | 960 | 870 |
8 | 1 | 200 | 1580 | 1410 |
scale:petrol filling stations,gas production plants,etc.
surface treatment:zinc,chrome,black,treatment.