V8系列電動蝶閥閥門開度與流量系數(shù)的速查表
各開度Kv 值（因為排版的關系，請諸位按順位查找數(shù)據(jù)）
Size 10° 20° 30° 40° 50° 60° 70° 80° 90°
DN50 1.1 3.8 10.2 22.0 38.0 60.0 100.0 132.0 193.0
DN65 2.0 7.5 18.2 35.0 61.0 95.0 187.0 240.0 315.0
DN80 2.5 9.8 26.0 48.0 83.0 126.0 214.0 338.0 425.0
DN100 3.8 14.6 39.0 72.0 119.0 221.0 361.0 606.0 723.0
DN125 6.5 24.0 62.0 118.0 217.0 394.0 599.0 1038.0 1243.0
DN150 10.0 41.0 95.0 175.0 326.0 542.0 873.0 1260.0 1859.0
DN200 19.0 64.0 165.0 306.0 573.0 995.0 1567.0 2310.0 3124.0
DN250 28.0 101.0 245.0 450.4 836.0 1462.0 2253.0 3256.0 4757.0
DN300 34.0 129.0 312.0 615.0 1137.0 2125.0 3248.0 4991.0 7058.0
DN350 47.0 163.0 390.0 795.0 1498.0 2573.0 3980.0 5749.0 8319.0
DN400 62.0 231.0 508.0 1077.0 1973.0 3381.0 5385.0 8099.0 11458.0
DN450 75.0 256.0 621.0 1208.0 2315.0 3925.0 6331.0 9474.0 13612.0
DN500 103.0 346.0 859.0 1692.0 3086.0 5348.0 8513.0 13109.0 18748.0
DN600 139.0 494.0 1153.0 2389.0 4466.0 7561.0 11945.0 18088.0 25217.0
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