Manual
4
4.4 Vacuum closure and safety device .................................................................................................. 19
4.5 Level Display ................................................................................................................................... 19
4.6 Filling the vessel .............................................................................................................................. 20
4.7 Pressure build-up ............................................................................................................................. 21
4.8 Withdrawal of liquid nitrogen............................................................................................................ 21
4.9 Pressure relief .................................................................................................................................. 21
4.10 Transport.......................................................................................................................................... 21
4.11 Admitting the test pressure .............................................................................................................. 22
4.12 Checking the seat tightness............................................................................................................. 22
4.13 Checking the response pressure ..................................................................................................... 22
5 Index ...................................................................................................................................................... 23