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Main Specification of Vacuum Isolation Pipe |
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Size（mm） |
DN |
DN15 |
DN20 |
DN25 |
DN32 |
DN40 |
DN50 |
DN65 |
DN80 |
DN100 |
DN125 |
DN150 |
DN200 |
DN250 |
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Inner |
Ф20 |
Ф25 |
Ф32 |
Ф38 |
Ф45 |
Ф57 |
Ф76 |
Ф89 |
Ф108 |
Ф133 |
Ф159 |
Ф219 |
Ф273 |
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Outer |
Ф89 |
Ф89 |
Ф89 |
Ф108 |
Ф108 |
Ф114 |
Ф140 |
Ф159 |
Ф180 |
Ф273 |
Ф245 |
Ф325 |
Ф406 |
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Working pressure |
≤20MPa(According to user's requirement） |
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Design Temperature |
-270℃ |
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Working medium |
LO2、LN2、LAr、LH2、LHe、LNG |
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Material of the pipes |
06Cr19Ni10(Or According to user's requirement） |
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Pressure of Jacket |
＜0.004Pa |
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Heat loss rate |
≤0.5-2W/m |
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Vacuum leakage rate of pipe |
＜2*10-10PaL/S |
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Inner pipe strength test pressure |
According to Working pressure |
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Air tightness test pressure |
According to Working pressure |
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