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Adjust the butterfly valve
Product features：
The butterfly valve has a valve body of homogeneous material into the sealing ring, using the worm gear transmission. Generally applicable regulating media flow is used for ventilation type in industry,environmental protection and other pipeline.
Using standard:
Flange size: GB9115.6-88; GB9115.7-88
The structural length: GB12221-89
Pressure test: GB/T13927-92; ZBJ16006-96
Ventilation butterfly valve performance parameters:
|
PN（MPa) |
0.05MPa |
Medium temperature |
-30℃～-350℃ |
|
Strength test |
0.1MPa |
Applicable medium |
The cold air, flue gas |
|
Medium flow |
25m/s |
The leakage rate |
3% |
Material of main parts:
|
Name |
Material |
|
Valve body |
Cast iron, stainless steel, nickel chromium molybdenum steel titanium, titanium,chromium molybdenum vanadium steel |
|
Valve plate |
Cast iron, stainless steel, nickel chromium molybdenum steel titanium, titanium,chromium molybdenum vanadium steel |
|
Valve stem |
Carbon steel, stainless steel, 2Cr13, chromium nickel molybdenum titanium steel |
|
Valve seat |
With the same body |
|
Insert Cha piece |
Fluorine plastic, flexible graphite |
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