6 300598802_002_C0 - 10/2016 - © Leybold
0.7 Risk of damaging the pump
1 Do not allow the ingestion of small objects (screws, nuts, washers, pieces
of wire, etc.) through the inlet port. For this reason always use the inlet
screen which is supplied as standard.
2 Do not use the pump for applications that produce abrasive or adhesive
powders or condensable vapours that can leave adhesive or high viscosi-
ty deposits. When planning to pump vapours other than water vapour
please contact our sales or service department for advice.
3 This pump is suited for pumping water vapour within the specified water
vapour tolerance limits.
4 Avoid vapours that can condense into liquids when being compressed
inside the pump, if these substances exceed the vapour tolerance of the
pump.
5 Before pumping vapours the TRIVAC
®
T should have attained its operat-
ing temperature. This will be the case approximately 30 minutes after
having started the pump. During this warming up phase, the pump should
be separated from the process, by a blocking valve in the intake line, for
example.
6 In the case of wet processes we recommend the installation of liquid sep-
arators upstream and downstream of the pump as well as the use of the
gas ballast.
7 The exhaust line should be laid so that it slopes down and away from the
pump so as to prevent condensate from backstreaming into the pump.
8 The entry of particles and fluids must be avoided under all circumstances.
9 Reactive or aggressive substances in the pump chamber may impair the
operating oil or modify it. In addition, such substances may be incompati-
ble with the materials of the pump (Viton, grey cast iron, aluminium, steel,
resins, glass etc.).
10 Corrosion, deposits and cracking of oil within the pump are not allowed.
11 Normal amounts of humidity within the range of the pump’s water vapour
tolerance will not significantly affect pump performance when the gas bal-
last is active.
12 When operating the pumps at gas throughput, it is urgently recommended
to connect an exhaust filter or use a suitable exhaust line. Here, the ex-
haust line must slope down and away from the pump.
13 In the case of custom pumps please note the information provided in the
supplementary sheets.
Safety information
NOTICE
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