管径/流速/流量对照表
! H$ D Q7 t8 j7 ^8 U$ g管径(DN) 流量 m3/h
! N% a( d$ G$ v! ~ P- _9 x/ f: n; { 0.4m/s 0.6m/s 0.8m/s 1.0m/s 1.2m/s 1.4m/s 1.6m/s 1.8m/s 2.0m/s 2.2m/s 2.4m/s 2.6m/s 2.8m/s 3.0m/s' `8 w7 m* r0 ~% P& \) N/ n7 i& y
20 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4
1 b' e6 O6 v' U25 0.7 1.1 1.4 1.8 2.1 2.5 2.8 3.2 3.5 3.9 4.2 4.6 4.9 5.36 S' P; G1 p2 K+ J2 K$ o: ]
32 1.2 1.7 2.3 2.9 3.5 4.1 4.6 5.2 5.8 6.4 6.9 7.5 8.1 8.7; e! s" L8 `' n; G: a& b6 y+ j. G
40 1.8 2.7 3.6 4.5 5.4 6.3 7.2 8.1 9.0 10.0 10.9 11.8 12.7 13.6
, {' h: n N8 s/ a+ a, E1 A50 2.8 4.2 5.7 7.1 8.5 9.9 11.3 12.7 14.1 15.6 17.0 18.4 19.8 21.2
7 s: k" ?6 c2 ^! V0 f/ z65 4.8 7.2 9.6 11.9 14.3 16.7 19.1 21.5 23.9 26.3 28.7 31.1 33.4 35.8
. h6 h" C/ _" e4 s& \! ~) t80 7.2 10.9 14.5 18.1 21.7 25.3 29.0 32.6 36.2 39.8 43.4 47.0 50.7 54.3
; C& o* m/ Z9 [8 C& {; [& ]; z y) u100 11.3 17.0 22.6 28.3 33.9 39.6 45.2 50.9 56.5 62.2 67.9 73.5 79.2 84.8& U" z: m4 V6 @5 L
125 17.7 26.5 35.3 44.2 53.0 61.9 70.7 79.5 88.4 97.2 106.0 114.9 123.7 132.5
+ V7 [) u1 e% U9 Z6 e- F: V' Y0 }150 25.4 38.2 50.9 63.6 76.3 89.1 101.8 114.5 127.2 140.0 152.7 165.4 178.1 190.9
" V7 c- c1 z z! f; e200 45.2 67.9 90.5 113.1 135.7 158.3 181.0 203.6 226.2 248.8 271.4 294.1 316.7 339.3* I" ^+ f1 P0 k+ u: P: I. S( J
250 70.7 106.0 141.4 176.7 212.1 247.4 282.7 318.1 353.4 388.8 424.1 459.5 494.8 530.1) [# q1 \( |1 @/ H4 w4 Q% e
300 101.8 152.7 203.6 254.5 305.4 356.3 407.1 458.0 508.9 559.8 610.7 661.6 712.5 763.4
4 b% n) J4 W5 c$ E8 O2 [( ?350 138.5 207.8 277.1 346.4 415.6 484.9 554.2 623.4 692.7 762.0 831.3 900.5 969.8 1039.1
( d7 _! ]+ E, u" w. ]400 181.0 271.4 361.9 452.4 542.9 633.3 723.8 814.3 904.8 995.3 1085.7 1176.2 1266.7 1357.2 " D) m+ ~, u! [; z* |5 l% }2 D7 a
450 229.0 343.5 458.0 572.6 687.1 801.6 916.1 1030.6 1145.1 1259.6 1374.1 1488.6 1603.2 1717.7
* G. H3 M3 `, Z500 282.7 424.1 565.5 706.9 848.2 989.6 1131.0 1272.3 1413.7 1555.1 1696.5 1837.8 1979.2 2120.6 ! p2 w" f% O+ L. B7 W5 H+ C
600 407.1 610.7 814.3 1017.9 1221.4 1425.0 1628.6 1832.2 2035.7 2239.3 2442.9 2646.5 2850.0 3053.6 4 W: U$ V1 s& S( X6 h3 T0 J+ w
2 D$ c4 F! C# r A; b& l8 h; W + T, H ]/ I4 j, E8 P8 ]4 Z+ x
管径(DN) 流速推荐值m/s:
1 b% O$ z$ p) X) l+ X" [9 ^ 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
2 K ]" _2 Q& m1 Q. h8 o0 ~. U( d- v闭式系统 0.5-0.6 0.6-0.7 0.7-0.9 0.8-1 0.9-1.2 1.1-1.4 1.2-1.6 1.3-1.8 1.5-2.0 1.6-2.2 1.8-2.5 1.8-2.6 1.9-2.9 1.6-2.5 1.8-2.6
) h1 [5 ^6 E6 |0 w+ {( M" x开式系统 0.4-0.5 0.5-0.6 0.6-0.8 0.7-0.9 0.8-1.0 0.9-1.2 1.1-1.4 1.2-1.6 1.4-1.8 1.5-2.0 1.6-2.3 1.7-2.4 1.7-2.4 1.6-2.1 1.8-2.3 |