直埋供热管道规格
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公称直径
外径*壁厚(㎜)聚氨酯保温层厚度(㎜)聚乙烯外护管外径*壁厚(㎜)材质DN32
¢38*2.524.592*2.520#DN40
¢45*2.530110*2.520#DN50
¢57*3.031.5125*2.520#DN65
¢76*3.029140*3.020#DN80
¢89*3.532.5160*3.020#DN100
¢108*4.033180*3.020#DN125
¢133*4.030.3200*3.220#DN150
¢159*4.529.5225*3.520#DN150
¢159*4.541.6250*3.920#DN200
¢219*6.043.1315*4.9Q235B DN250
¢273*6.040.4365*5.6Q235B DN300
¢325*7.040.5420*7.0Q235B DN350
¢377*7.053.7500*7.8Q235B DN400
¢426*7.053.2550*8.8Q235B DN450
¢478*7.052.2600*8.8Q235B DN500
¢529*7.053.2655*9.8Q235B DN600
¢630*8.053.9760*11.1Q235B DN700
¢720*8.053850*12Q235B DN800
¢820*9.053950*12Q235B DN900
¢920*9.0531054*14Q235B DN1000
¢1020*1053.51155*14Q235B DN1200
¢1200*10751380*15Q235B 公称直径
外径*壁厚(㎜)聚氨酯保温层厚度(㎜)聚乙烯外护管外径(㎜)1
¢34*326.592*2.5Q235B 1 1/4
¢42*3.031.5110*2.5Q235B 1 1/2
¢48*3.528.5110*2.5Q235B 2
¢60*3.529.5125*3.0Q235B 2 1/2
¢76*4.029140*3.0Q235B 3
¢89*4.032.5160*3.0Q235B 4
¢114*4.039.8200*3.2Q235B 5
¢140*4.539.3225*3.2Q235B 7¢168*4.537.1250*3.9Q235B 直埋供热管道规格
公制
英制注:公制钢管DN≤150为无缝钢管,DN>150为螺旋焊接钢管;英制钢管为镀锌焊接钢管;无缝钢管验收标准执行GB/T 8163-2008,焊接钢管验收标准执行GB/T 3091-2008,螺旋焊接钢管执行GB/T 9711-2011;凡是不符合要求的钢管既为不合格,不允许用于现场施工;