Edwards nRVi, Instruction Manual

Page: 27 / 100

▪ PEEK (Polyether Ether Ketone)
▪ Viton
▪ Glass
3.5 Noise and vibration data
Note:
The sound level in the final installation should be checked by the user.
Table 11 Noise and vibration data
Parameter Value Unit
Sound pressure
* 54.5 dB (A)
Vibration severity
§ Class 1C
* Measured at ultimate vacuum 1 metre from the end of the pump to ISO 11201, High
Vacuum mode .
§ Measured at the inlet port to ISO 2372 (1974).
3.6 Lubrication data
Note:
Safety Data sheets for the rotary pump oils are available on request.
Table 12
Lubrication data
Parameter
Value
Units
nRV14i nRV6i nRV10i nRV14i
Recommended oil
*
Hydrocarbonprepared
pumps
Edwards Ultragrade 19
PFPE-prepared pumps
Krytox 1506 or Fomblin 06/6
Oil capacity
Maximum
0.70 0.70 0.75 1.00 Litres
Minimum 0.42 0.42 0.45 0.65 Litres
* To operate the pump when the ambient temperature is outside the limits specified in
Table: Operating and storage conditions on page 16 , or to optimise the pump
performance when pumping condensable vapours, a different oil may be needed.
3.7 Electrical data
Note:
Use of fuses with the maximum rating specified in Table: Recommended fuses on page
24 is recommended.
The nRVi pump controller includes an integrated 10 A fuse which is not replaceable.
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A65901880_D - Technical data