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 |
