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Flue gas butterfly valve

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Flue gas butterfly valve

Main technical parameters


DN 50~2000
Nominal pressure PN(MPa) 0.05 0.25 0.6
Test pressure Strength experiment 0.075 0.375 0.9
Sealing experiment ≤1.5% leakage
Applicable media Coal gas, dust-containing gas, flue gas, etc.
Driver form Manual, worm and worm gear transmission, gas transmission, electric transmission


Applicable media


Applicable temperature Applicable media
Carbon steel ≤400℃ High temperature flue gas, raw flue gas, clean flue gas
310SS≤1000℃


D41W-(0.5/2.5/6)bar Main connection size (unit: mm)


Nominal path Structural length Dimensions (reference value) Connection size (standard value)
0 .05MPa and 0 .25MPa 0.6MPa
mm inch L H H0 A B D D1 D2 n-d D D1 D2 n-d
50 2 108 70 215 270 65 140 110 88 4-14 140 110 88 4-14
65 21/2 112 80 235 270 65 160 130 108 4-14 160 130 108 4-14
80 3 114 95 263 270 65 190 150 124 4-18 190 150 124 4-18
100 4 127 105 283 270 65 210 170 144 4-18 210 170 144 4-18
125 5 140 120 313 310 65 240 200 174 8-18 240 200 174 8-18
150 6 140 132 338 310 65 265 225 199 8-18 265 225 199 8-18

Note: Product information is for reference only. If you have any questions, please contact our company!

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