Edwards nES Series, Instruction Manual, Page: 17 / 56

3. Technical data
3.1 References conditions and limitations
Table 1
References conditions and limitations
Parameter Unit
nES
40
nES
65
nES
100
nES
200
nES
300
nES
300S
nES
470
nES
570
nES
630
nES
750
Ambient
barometric
pressure
mbar(g) 1013
Torr
(mmHg)
760
Air inlet
temperature
°C 20
°F 68
Motor speed
50 Hz
rpm 1500
Motor speed
60 Hz
rpm 1800
Mineral oil
viscosity
ISO VG68
Maximum inlet
pressure for
continuous
operation
mbar(g) 1013
Torr
(mmHg)
760
Maximum
ambient
temperature
°C 40
°F 104
Minimum
ambient
temperature
°C 12
°F 53.6
Maximum gas
inlet temperature
°C 40
°F 104
Minimum gas
inlet temperature
°C 12
°F 53.6
Maximum
exhaust back
pressure
mbar(g) 150
psi(g) 2.2
Minimum exhaust
back pressure
mbar(g) -15
psi(g) -0.22
Maximum inlet
pressure for
water vapour
with standard gas
ballast
mbar(g) 30 10 15 40
torr
(mmHg)
22.5 7.5 11 30
07/2020 - Page 13
A35104880_B - Technical data