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LEYBOLD Trivac L User Manual

LEYBOLD Trivac L
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If the pump was exposed to aggressive and corrosive media, we
recommend that you let the pump continue to operate even during long
non-working intervals (for example, overnight) with the intake line closed and
the gas ballast valve open. This avoids corrosion during idle periods and
difculties
when re-starting the pump under conditions where the lubricant
has been chemically modied.
If the pump operating with mineral oil is to be shut down for an extended
period after pumping aggressive or corrosive media or if the pump has to be
stored, proceed as follows:
Pump and operating agents may be contaminated.
If hazardous substances have been pumped, then these substances
can escape from the pump and the oil. Introduce adequate safety
precautions. Use gloves, face protection or a respirator, for example.
Observe safety Information Hazards caused by materials and
substances on page 9.
Drain the oil (refer to Change the oil on page 44).
Add clean oil until the oil level is at the “min” mark and let the pump
operate for some time.
Then drain the oil and add clean oil until the oil level is at the “max”
mark.
Seal the connection ports. Special conservation or anti-corrosion oils
are not necessary.
Also, take note of the information given in Transportation on page 24
and Storage on page 56.
7.4 Ultimate pump pressure
If the system cannot produce the pressures specied in the technical data,
measure the ultimate pressure directly at the intake port of the pump after
you disconnect the pump from the system. The ultimate partial pressure of
non-condensable gases can only be measured with a compression vacuum
gauge or a partial pressure gauge. Precise measurements can only be
obtained with calibrated instruments.
Upon initial start-up, after prolonged idle periods or after an oil change, it
takes some time until the pump reaches the specied ultimate pressure.
Wait until a stable pump temperature is reached and be sure the pump oil is
degassed. It takes approximately 30 minutes. We recommend operating the
pump initially with the gas ballast valve open.
The ultimate pressure depends on the pump temperature and the pump oil
used. The best ultimate pressures can be obtained at a low pump
temperature by using the recommended oil types.
7.5 Taking out of use
Contact us for all the queries about the disposal of spares, consumables or
the entire pump.
300956027_002_A0 - 03/2022 - © Leybold
38
Operation

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LEYBOLD Trivac L Specifications

General IconGeneral
BrandLEYBOLD
ModelTrivac L
CategoryWater Pump
LanguageEnglish

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