2/2
B 200
Neutral gas purge and inlet vent
connection
GB 03330 - Edition 03 - March 12
Gas characteristics
Dry nitrogen is typically the neutral gas used but you can use any
gas on the condition that it is low in helium (concentration ≤ 1
ppm).
Ambient air should not be polluted with helium: no detection in a
not
airy room.
According to the installation or item to test, the gas should be clean,
dry, without dust, and non toxic.
≈ 5 sccm
0.1 to 0.3 bar relative (
≈ 1.5 to 4.5 psig),
1.1 to 1.3 bar absolute (
≈ 16 to 20 psia)
Type
Quality/purity
Use pressure
Purge flow
If the purge gas pressure is too high, the inlet valve could always be stay
closed.
adixen Vacuum Products - ASM 310 Operating instructions
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