10.4
Operation with combustible operating fluids
Risk of sustaining injury due to explosion!
An ignitable gas mixture in the pump may cause explosions. This can lead to acci-
dents resulting in severe injuries or death.
► Take precautions to prevent the formation of ignitable gas mixtures in the
pump during commissioning.
► Take precautions to prevent the formation of ignitable gas mixtures in the
pump during commissioning.
During liquefied gas pump operation, the leaking fluid passes through the high
pressure seal or sealing and guide elements into the bleed chamber. In case of
combustible operating fluids, this may cause the formation of an ignitable mix-
ture.
Only the "FS" version may be operated with flammable operating fluids! The
bleed chamber is designed as a flame-proof enclosure (DIN EN 60079-1) and
equipped with a flame arrestor at the outlet.
The ignitable mixture can be discharged through bleed port "Z".
0000000383 - 001 - EN
WARNING
Use in explosion-prone zones
44
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