Others

Main Specification of Vacuum Isolation Pipe

Size（mm）

DN

DN15

DN20

DN25

DN32

DN40

DN50

DN65

DN80

DN100

DN125

DN150

DN200

DN250

Inner

Ф20

Ф25

Ф32

Ф38

Ф45

Ф57

Ф76

Ф89

Ф108

Ф133

Ф159

Ф219

Ф273

Outer

Ф89

Ф89

Ф89

Ф108

Ф108

Ф114

Ф140

Ф159

Ф180

Ф273

Ф245

Ф325

Ф406

Working pressure

≤20MPa(According to user's requirement）

Design Temperature

　-270℃

Working medium

LO₂、LN₂、LAr、LH₂、LHe、LNG

Material of the pipes

06Cr19Ni10(Or According to user's requirement）

Pressure of Jacket

＜0.004Pa

Heat loss rate

≤0.5-2W/m

Vacuum leakage rate of pipe

＜2*10^-10PaL/S

Inner pipe strength test pressure

According to Working pressure

Air tightness test pressure

According to Working pressure