径当量换算表(空气、蒸汽、气体) 暂无评价|0人阅读|0次下载|举报文档 管​径​当​量​换​算​表​(​空​气​、​蒸​汽​、​气​体​) 你可能喜欢 您的评论*感谢支

1 英寸=25.4毫米 =8英分 1/2 是 四分(4英分) DN15 3/4 是 六分(6英分) DN20 2分管 DN8 4分管 DN15 6分管 DN20 1′ DN25 1.2′ DN32 1.5′ DN40 2′ DN50 2.5′ DN65 3′ DN80 4′ DN100 5′ DN125 6′ DN150 8′ DN200 10′ DN250 12′ DN300 DN指的是通径，单位毫米

管径当量换算表(空气、蒸汽、气体)  管径1/2'3/4'1'1 1/2'2'2 1/2'3'4'5'6'7'8'9'10'1/2'152.274.8815.831.752.996.92053776209181292176724883/4'202.62.056.971423.342.590.416627340556977910961'257.552.93.456.8211.420.944.181.1133198278380536 1 1/4'3211/2'4024.29.33.22 3.346.131323.839.258.181.71121572'5054.8217.252.261.673.066.4711.919.62940.855.878.52 1/2'6510239.413.64.231.871.833.877.1211.717.424.433.4473'8017065.422.67.033.111.662.123.896.399.4813.320.923.74'10037614449.815.56.873.672.211.843.024.486.38.6112.15'12568626390.928.312.56.74.031.831.652.443.434.696.66'15011164291484620.410.96.562.971.631.48 2.092.854.027'175170765622670.531.216.6104.542.491.511.41 1.932.718'200243593632210144.523.814.36.483.542.181.43 1.35 1.939'2253335128144013760.832.519.58.854.852.981.951.37 1.41 10' 250 4393 1688 582 181 80.4 42.9 25.8 11.7 6.4 3.93 2.571.81.32 例：一根3/4’管径管子相当于2.27根1/2’的管子。  一根13’管径管子相当于3.56根8’的管子。(由上表纵列对横列查得

管件口径换算表公称尺寸inch inch公称通径DN国标A国标B美标日标 1/8 6 10.3 1/4 8 13.7 3/8 10 17.1 1/2 0.84 15 21.3 18 21.3 3/4 1.05 20 26.9 25 26.7 27.2 1 1.3...