A80, A80t, W80, W80t Operating Manual
28.08.2019
25
About recommended Bath fluids:
This temperature control system is operated in a
closed, external
temperature loop. As a result, the bath fluid only comes into contact with
oxygen in the internal filling reservoir, which is not located directly in the
temperature control loop.
A safety device monitors and controls the temperature in the internal
reservoir.
The temperature of the bath fluid is held steady at approx.25 °C [77 °F].
A safety device with an adjustable temperature value >RESERVOIR<
protects against dangerous conditions, independent of the control loop.
When this safety device triggers (e.g. if excessively hot liquid flows into
the internal reservoir), the temperature control system is completely shut
down and will not restart without manual intervention.
Set the >RESERVOIR< safety temperature at least below the flash
point of the bath fluid.
5.3.
Temperature control tubing
Tubing:
Temperature control tubing is a potential source of danger at high
working temperatures. If one or more temperature control tubes are
damaged, a large volume of hot bath fluid can be pumped out of the unit
in a short period of time.
Potential consequences include:
•
Fire hazard
•
Explosion hazard
•
Severe burns to persons or property
•
Difficulty breathing caused by a hot atmosphere
Safety instructions
•
Use tubing suitable for temperature control purposes.
•
Secure tubing connections against slipping.
•
Avoid kinking the tubes.
•
Regularly check tubes for material fatigue, such as cracks.
The following tubing is recommended:
Triple-insulated metal tubing, each with two end connections M24x1.5
female, temperature range to
-100 °C ... +350 °C [-148 °F to 662 °F].
Order No.
Length
8.930.261
8.930.262
8.930.263
8.930.264
1.0 m
1.5 m
2.0 m
3.0 m
Maximum pressure
6.0 bar at +20 °C [ 68 °F]
4.6 bar at +200 °C [392 °F]
3.8 bar at +350 °C [662 °F]
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