16
0698-5l51 B70V
-H SanitaryPlus - 01/18
en
• The maximum ambient temperature must not be exceeded.
In case of marking II 1/2 G Ex h IIB T4 Ga/Gb: -20 up to +40°C
In case of marking II 1/2 G Ex h IIB T3 Ga/Gb: -20 up to +60°C
• The maximum medium temperature of 100 °C must not be exceeded in the container.
• Only use stators made of PTFE.
• The operator must continuously monitor the pump during operation to prevent the pump from pumping against
a closed shut-off device and thus causing the fluid remaining in the tank (drum) to heat up to impermissible
levels. If this cannot be prevented a bypass valve with return line must be installed.
• Pump operation may cause the flowing fluids to pick up an electrostatic charge.
• Before being put into commission, the drum pump must be integrated into the equipotential bonding, i.e. the
pump tube must be equipotentially bonded to the tank (drum), the motor must be equipotentially bonded to the
tank (drum) or pump tube if the pump tube and drive motor are not connected to one another in a conductive
manner. The tank must be grounded separately if this was not already accomplished by the type of installation
(→ Fig. 27).
• The hose line connected to the drum pump’s pressure joint may not exceed a resistance of 10
6
Ω between
the end fittings. The hose line must be checked and marked according to DIN EN 12 115.
• The bearing / seal must be protected from rare malfunctions. This protective measure consists of filling the
inside of the pump with fluid. The operator must continuously monitor the drum pump to prevent rare mal-
functions from occurring at the same time as an explosive atmosphere.
• The drum pump must not be used unattended. Dry running resp. idling of the pump has to be prevented.
• When the drum pump is used, all additional components fitted to the connecting part (coupling, drive motor,
etc.) have to be outside of the container.
• Provide a motor protection and an on/off switch against automatically starting the pump when inserting the
plug.
• Electric connection in explosion hazard areas only with explosion proof plug or explosion proof terminal box.
Содержание B70V-H-D SanitaryPlus
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