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12. Technical data
12.1 General technical data
Voltage tolerance
SMD, SMG, and
460 V
SFG
Enclosure class
Insulation class
SMG, SFG
SMD.30-47
SMD.13-23
Maximum installation depth
Maximum number of starts per hour
SMG, SFG
SMD
Power cable length
Wire length on all winches
* The standard cable lengths are either 33 or 50 ft (10 or 15 m).
Other cable lengths are available on request.
The mixers and flowmakers are designed for continuous
operation.
12.2 Motor
Seal
Material, motor housing
SMG, SFG
SMD
12.3 Gearbox, SMG, SFG only
Type
Gears
Seal monitoring
Drive-end bearings
Material, gear casing
+ 10 %/- 10 %
IP68
H
H
F
65.6 ft (20 m) below
liquid surface
20
20
33 or 50 ft
(10 or 15 m)*
33 ft (10 m) (standard)
Mechanical shaft seal
Cast iron, ASTM48 class 35b
(EN-GJL-250)
Cast stainless steel
316/351/CF8M (1.4408)
Planetary gearbox
Hardened and ground steel
Leakage sensor incorporated
in gearbox
Two tapered roller bearings
Cast iron, ASTM48 class 35b
(EN-GJL-250)
12.4 Shaft seals
Sealing against ingress of surrounding liquid
Two lip seals and one mechanical shaft seal made of tungsten
carbide/tungsten carbide or SiC/SiC
12.5 Propeller
SMD
Number of blades
Propeller diameter
Material, propeller with hub
SMG
Number of blades
Propeller diameter
Material, propeller with hub
SFG.xx.51
Number of blades
Propeller diameter
Material, propeller with hub
SFG.xx.59 - 102.xx
Number of blades
Propeller diameter
Material, hub
Material, propeller blades
12.6 Sound pressure level
The sound pressure level of the mixer or flowmaker is lower than
70 dB(A).
13. Disposing of the product
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
2
7-15 in (180-370 mm)
Stainless steel (304)
2
16-39 in (400-1000 mm)
Stainless steel (304)
2
51 in (1300 mm)
®
Polyurethane (Baydur
)
with stainless-steel hub
2 or 3
59, 71, 91, 102 in (1500,
1800, 2300, 2600 mm)
Cast iron (EN-GJS-400-15)
®
Polyurethane (Baydur
)
with cast-iron reinforcement
Subject to alterations.
29
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