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Blast Furnace Hydraulic Triple Offset Butterfly Valve

 Blast Furnace Hydraulic Triple Offset Butterfly Valve

Application
1. Blast furnace hydraulic triple offset butterfly valve is used as coal gas shut off valve, air cut off valve, cold air valve, main flue valve and waste heat recycling cut off valve. It can also be used in steelmaking system and sintering system as shut off valve of coal gas, fume, ventilation and dust removal pipelines.
2. Blast furnace hydraulic triple offset butterfly valve is used in cement industry and electricity industry for cutting off coal gas, fume and ventilation and dust removal pipelines.

Material of Main Parts
Name Valve body Valve plate Valve shaft
Material Cast steel, carbon steel Cast steel, nickel chromium plating layer High quality carbon steel
Technical Parameters
Sealing test pressure 0.275MPa
Strength test pressure 0.375MPa
Working temperature ≤450℃
Medium Air, coal gas, gas with dust
Leakage rate In line with GB/T13927standard
Hydraulic Device Parameters /Unit: mm
DN Port size Hydraulic pressure
2600 M18x1.5 8MPa
2800 M18x1.5
3000 M18x1.5
3200 M18x1.5
3400 M18x1.5
3600 M18x1.5
>3800 M18x1.5
Main Structure Dimensions /Unit: mm
DN D D1 L B H H1 A1 A2 N-d Weight(KG)
200 320 280 152 14 740 210 680 175 8-17.5 180
250 375 335 165 14 805 230 680 175 12-17.5 220
300 440 395 178 14 850 270 680 175 12-22 300
350 490 445 190 14 1000 295 680 175 12-22 340
400 540 495 216 16 1094 327 710 170 16-22 430
450 595 550 222 18 1148 354 710 170 16-22 520
500 645 600 229 24 1198 380 710 170 20-22 600
600 755 705 267 24 1302 431 710 170 20-26 670
700 860 810 292 24 1614 675 865 308 24-26 880
800 975 920 318 24 1722 729 865 308 24-30 1050
900 1075 1020 330 27 1825 835 865 308 24-30 1180
1000 1175 1120 410 32 2005 880 865 308 28-30 1320
1100 1275 1220 410 32 2105 930 865 308 28-30 1540
1200 1405 1320 470 32 2205 980 865 308 32-30 1780
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