3. Technical data
3.1 General t
echnical data
Table 1
General technical data
Item
Descripon Rang Units
Operang condions
In
tended use Indoor
Ambient temperature range:
Operang
St
orage
5 to 40
-45 to 55
°C
°C
Maximum relave humidity:
80% for temperatures up to 31 °C
decreasing linearly to 50% relave
humidity at 40 °C
Maximum operang altude 2000 m
Maximum operang back
pressure
1.2 bar(a)
Polluon degree 2 (IEC 61010)
Materials in contact
with the process gas
Pump, sha and rotors Cast SG iron
Seals PTFE and uoroelastomer
Gas system
Carbon steel, brass, PTFE and uo‐
roelastomer
Degree of protecon
Hazardous electrical sub sys-
tem
IP21D (IEC60529)
Lubricaon Oil type
PFPE Drynert 25/6 (recommended)
Fomblin
®
25/6 (alternave)
Krytox
®
1525 (alternave)
Table 2
General technical data
Characteriscs
EXS750 EXS450 Unit
Body dimensions length x width x
height*
1650 x 567 x 642 1265 x 567 x 642 mm
Mass (excluding packaging) 650 540 kg
Noise level (at ulmate with a piped ex-
haust)
< 70 dB(A)
Typical vibraon level at inlet < 1.5 mm/s
Pump inlet ange (bolted) ISO100 -
Exhaust gas outlet
NW50
‡
-
Lubricant volume 2.8 1.8 litre
* Refer to Inst
allaon drawings on page 29.
‡ Refer to Connect the dry pumping system to the vacuum/exhaust system on page 35
for informaon relang to the exhaust size and length for EXS dry pumping systems.
07/2021 - ©Edwards Limited
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A41870880_A - Technical data