Edwards nES Series, Instruction Manual, Page: 18 / 56

Note:
Lower temperatures are possible with reduced viscosity oil. This temperature range is
defined by Pneurop for performance conformity testing, but 8 °C is the critical point from
the motor starting viewpoint.
3.2 Pump data
Table 2
Pump data
Parameter Unit nES
40
nES
65
nES
100
nES
200
nES
300
nES
300S
nES
470
nES
570
nES
630
nES
750
Maximum
displacement
(50 Hz)
m
3
h
-1
44.0 59.0 98.0 180 280 330 470 570 700 840
cfm 25.9 34.8 57.4 106 165 194 277 366 412 494
Maximum
displacement
(60 Hz)
m
3
h
-1
53.0 71.0 117 230 340 385 570 - 840 -
cfm 31.2 41.8 68.9 130 200 227 366 - 494 -
Pumping speed
(50 Hz)
m
3
h
-1
38.5 54.0 87.5 170 240 284 400 470 640 755
cfm 22.7 31.8 51.5 100 141 167 236 277 377 444
Pumping speed
(60 Hz)
m
3
h
-1
47.0 64.0 105 200 290 330 470 - 755 -
cfm 27.7 37.7 61.8 118 171 194 277 - 444 -
Motor rated
power (50 Hz)
kW 1.3 1.8 3 4.5 5.5 6 11 11 18.5 18.5
Motor rated
power (60 Hz)
kW/hp 1.3/2 1.8/3 3.6/5
5.5/
7.5
6.6/
10
7.2/10
13.2/
15
-
18.5/
25
-
Dimensions
(L x W x H)
(Approximate)
mm
540 x
284 x
303
586 x
320 x
314
721 x
400 x
319
1002 x
535 x
415
1115x
555 x
450
1117 x
565 x
450
1305 x
863 x
779
1305 x
863 x
779
1563 x
909 x
740
1563 x
909 x
740
Maximum water
vapour pumping
rate (50 Hz)
Kgh
-1
0.76 1.0 1.60 3.4 1.3 5.0 7.5 17 24
Ibh
-1
0.80 1.1 1.69 3.6 1.4 5.3 8.0 18 25
Maximum water
vapour pumping
rate (60 Hz)
Kgh
-1
0.90 1.25 1.70 5.4 1.8 7.5 - 24 -
Ibh
-1
0.95 1.32 1.80 5.7 1.9 8.0 - 25 -
Weight
(Approximate)
Kg 67 86 104 142 244 480 550 760 760
Ib 148 190 230 313 539 1059 1214 1678 1678
Noise level
(50 Hz)
dB(A) 58 60 61 69 72 72 75 72 75
Noise level
(60 Hz)
dB(A) 60 64 64 73 76 75 - 75 -
Oil refill capacity
litre 1 2 2 5-8 8.5 - 11.5 20 20
20 -
23
20 -
23
Inlet connection ISO-F / G ISO40 / G1 ¼ ISO63 / G2 ISO63 / G3 ISO100
Outlet connection ISO-F / G ISO40 / G1 ¼ ISO63 / G2 ISO63 / G3 ISO100
Page 14 - 07/2020
A35104880_B - Technical data