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3.87 ≤300
2.88 ≤425
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DN/in DN L D H L1 �D(zhu��n)��/N.m ����/kg
12 300 502 305 1230 341 340 552
14 350 762 305 1354 357 730 718
16 400 838 305 1436 357 730 943
18 450 914 458 1725 427 1470 1213
20 500 991 458 1798 507 2940 1410
24 600 1143 458 2848 507 2940 2527
28 700 1346 610 3400 608 5880 3009
32 800 1524 610 3792 608 5880 4166



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