Witt GP 41 - 4.4 Pressure Range

11 - Technical data -
4.2.4 Motor data for 60 Hz - 1.200 RPM
Density
[kg/dm
3
]
Motor size
Power
[kW]
Voltage [V]
Weight
[kg]
Remark
Δ Y
GP 41
< 0,7 (NH3)
80
0,44
254 - 280 440 - 480
9
< 1,4
< 1,6
0,66 11
< 1,8
GP 42
< 0,7 (NH3)
80 0,66
254 - 280 440 - 480
11
< 1,4
< 1,6 90S 0,9 13
< 1,8 90L 1,3 16
GP 51
< 0,7 (NH3)
100L 1,8
254 - 280 440 - 480
25
< 1,4
< 1,6
112M 2,6 38
< 1,8
GP 51a
< 0,7 (NH3)
100L 1,8
254 - 280 440 - 480
26
< 1,4
< 1,6
112M 2,6 38
< 1,8
GP 52
< 0,7 (NH3) 112M 2,6 254 - 280
440 - 480
38
< 1,4 132S 3,6
254 - 280
460
66
Motor adapter ring ne-
cessary
< 1,6
132M
4,8 82
< 1,8 6,6 460 --- 83
4.3 MATERIAS
Pump housing:
EN-GJS-400-18-LT
Motor flange:
EN GJS-400-15
Coupling:
Stahl
Coupling bush:
Kunststoff
Coupling protection:
PVC Rohr transparent
Ball bearings:
Stahl
Shaft:
C 35
Shaft seal:
PTFE
Impellers:
EN GJS-400-15
Main bolts
8.8
Counter flanges:
P355NH
Bolts for counter flanges:
8.8
Gaskets:
Centellen NP
Reservoir oil:
MR 520
Painting system
W 9.1 + W 9.2 *
* W9.1 + W9.2 = 2k epoxidy finish according DIN ISO 12944/5, RAL 7001
4.4 PRESSURE RANGE
Design pressure pump housing [bar]
16
Test pressure (air under water) [bar]
17,6
Permitted operating pressure range [bar]
16 (+50 / -10°C)
8 (-10 / -60°C)