4.3
Form of construction
Pump casing with axial suction and radial discharge. Semi-
open single-stage impeller.
The monobloc (M) construction has a rigid coupling.
The non-monobloc construction has a flexible coupling.
4.4
Forces and moments permitted in the nozzles
FORCES
[N]
SIZE
Fx
Fy
PUMP
AU-1,5
AU-2
AU-3
AU-50
330
300
AU-65
420
370
AU-80
500
450
AU-100
670
600
AU-150
1000
900
AU-200
1340
1200
(1) FOR NODULAR CAST, CARBON STEEL OR STAINLESS STEEL CASING, MULTIPLY THESE VALUES BY 2.0
6
CAST IRON OR BRONZE CASING (1)
SUCTION
MOMENTS
[N.m]
Fz
Mx
My
THREADED CONNECTIONS, DO NOT ADMIT STRESSES
270
280
200
340
300
220
410
320
230
540
350
250
810
500
350
1080
650
460
Bearings: The monobloc (M) construction does not have
friction bearings. The non-monobloc construction has oil or
grease lubricated bearings, depending on the size of the
pump.
Shaft sealing: Mechanical seal.
FORCES
[N]
Mz
Fx
Fy
230
300
270
240
370
340
260
450
410
290
600
540
410
900
810
530
1200
1080
DISCHARGE
MOMENTS
[N.m]
Fz
Mx
My
330
280
200
420
300
220
500
320
230
670
350
250
1000
500
350
1340
650
460
AU
Mz
230
240
260
290
410
530