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VD (E3.1) 10/2020 page 14/179
In the case of operation with inert gas, the chamber is supplied with an oxygen-displacing gas (e.g. N
2
).
The gas emerging from the system must therefore be removed from the installation area by means of a
suitable extraction system (see technical ventilation measures in the DGUV guidelines 213-850 on safe
working in laboratories, issued by the employers’ liability insurance association (for Germany).
With use of a vacuum system or a vacuum pump, observe the permitted gas inlet
temperature. Observe the safety instructions of the pump manufacturer.
1.8 Intended use
Observing the instructions in this operating manual and conducting regular maintenance work
(chap. 24) is part of the intended use.
Any use of the chambers that does not comply with the requirements specified in this Operating
Manual shall be considered improper use.
Other applications than those described in this chapter are not approved.
Use
The VD vacuum drying ovens are suitable for drying and heat treatment of solid or pulverized charging
material, as well as bulk material, using the supply of heat under vacuum.
Requirements for the chamber load
Any solvent content must not be explosive or flammable. A mixture of any component of the charging
material with air must NOT be explosive. The drying temperature must lie below the flash point or below
the sublimation point of the charging material. Any component of the charging material must NOT be able
to release toxic gases.
The loading material shall not contain any corrosive ingredients that may damage the machine
components made of stainless steel and aluminum. Such ingredients include in particular acids and
halides. Any corrosive damage caused by such ingredients is excluded from liability by BINDER GmbH.
The chamber does not dispose of any measures of explosion protection.
DANGER
Explosion or implosion hazard and danger of poisoning through the introduction of
unsuitable loading material.
Poisoning. Serious injury or death from burns and / or explosion pressure.
∅ Do NOT introduce any substance combustible or explosive at working temperature into
the chamber, in particular no energy sources such as batteries or lithium-ion batteries.
∅ Do NOT introduce explosive dust or air-solvent mixture into the inner chamber.
∅ Do NOT introduce any substance which could lead to release of toxic gases.
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