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Vacuum Insulated Pipe Cryogenic Equipment Cryogenic Process Engineering

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Vacuum Insulated Pipe Cryogenic Equipment Cryogenic Process Engineering

Vacuum Insulated Pipe Cryogenic Equipment Cryogenic Process Engineering

Vacuum Insulation pipeline

Main Charateristics

The pipelines are made in sections, and connection by vacuum flanges or welding. Helium mass spectrometry is used to detect leakage of the inner and outer tubes, our pipelines with good cold insulation effect, convenient installation and maintenance, which can reduce installation jobs on site and save cost. Our pipelines adopts inner and outer compensation structure, with advanced technology, stable performance, safety and reliable.

Technical Parameters:

Specs of Vacuum Pipeline:
Pipeline Specs(mm)Nominal diameterDN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250
Inner tubeФ20Ф25Ф32Ф38Ф45Ф57Ф76Ф89Ф108Ф133Ф159Ф219Ф273
Outer tubeФ89Ф89Ф89Ф108Ф108Ф114Ф140Ф159Ф180Ф273Ф245Ф325Ф406
Working PressureAccording to customer’s requirement
Design Temperature-270℃
Working MediumLO2,LN2,LAr,LH2,LHe,LNG
Inner, outer tube material06Cr19Ni10(can be changed according to customer’s requirement)
Inner layer pressure<0.004Pa
Pipeline cold loss≤0.5-2W/m(design data)
Pipeline vacuum leakage rate≤1*10-10Pa M3/S
Inner pipe strength test pressureAccording to working pressure
Gas tight test pressureAccording to working pressure
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