STP-iX455/iXL455 Series Instruction Manual
14-1
14 Storage and Disposal
14.1 Storage of the STP Pump
When the STP pump is left unused over a long period (more than a few months), follow
the precautions below:
1) Close the inlet port of the STP pump and vacuum it using a backing-pump.
2) Introduce dry N
2
gas or dry air from the outlet port or the purge port.
3) Close the outlet port and purge port.
4) If the STP pump is water cooled, introduce compressed air from one side of the
cooling water port so that no water remains in the STP pump.
5) Store the STP pump in a vertical position.
6) DO NOT store the STP pump in the following places:
● Place of high humidity.
(If it must be stored in a place of high humidity, insulate it from the outside
and use a dehumidifying agent.)
● Place of high temperatures (more than +55°C) and low temperatures (less
than –25°C).
● Place where there are corrosive gases.
● Place subjected to dripping water.
● Place with a lot of dust.
● Place with insufficient ventilation.
● Place subjected to strong magnetic or electric fields.
● Place subjected to radiation.
● Place subjected to direct sunlight.
● Place subjected to mist.
● Place with electric noise.
● Place with vibration.
14.2 Disposal
Dispose of the STP pump as industrial waste according to the guidelines given by each
national and/or local government.
◇ When disposing of the STP pump, exhaust gases inside the STP pump
thoroughly.
Residual gases may result in an accident when disposing of the STP pump.
If the STP pump has been used with reactive or corrosive gasses, always clean
thoroughly before disposing of it to avoid any injury.
Confirm the characteristics of gas to be used, referring to the Material Safety Data
Sheet (MSDS) you obtain from the gas supplier.
◇ Edwards is not responsible for problems during or after disposal.
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