Grundfos SRG 60 Hz, Installation And Operating Instructions Manual

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9. Technical data
9.1 General technical data
* Other cable lengths are available on request.
9.2 Motor
9.3 Gearbox
9.4 Shaft seals
9.5 Impeller
9.6 Sound pressure level
The sound pressure level of the pump is lower than
70 dB(A).
10. 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.
The crossed-out wheelie bin symbol on
a product means that it must be
disposed of separately from household
waste. When a product marked with this
symbol reaches its end of life, take it to a
collection point designated by the local
waste disposal authorities. The separate collection
and recycling of such products will help protect the
environment and human health.
See also end-of-life information at
www.grundfos.com/product-recycling.
Voltage tolerance
- 10 %/
+
6 % of
nameplate value
Enclosure class IP68
Insulation class H
Maximum installation
depth
20 m below liquid level
Maximum number of
starts per hour
20
Length of power supply
cable
10 and 15 m (standard)*
Wire length on all
winches
10 m (standard)
Maximum installation
depth 20 m below the liquid
surface
Maximum number of
starts per hour
20
Enclosure class IP68
Insulation class H
Material, motor housing
Cast iron, grade 25 (EN-
GJL-250)
Type Planetary gearbox
Gears
Hardened and ground
steel
Monitoring of shaft seal
Leak sensor
incorporated in gearbox
Drive-end bearings
Two tapered roller
bearings
Material, gear casing
Cast iron, grade 25 (EN-
GJL-250)
SRG
Two lip seals and one mechanical shaft seal
made of tungsten carbide/tungsten carbide
or SiC/SiC
Number of blades 3
Nominal diameter
SRG.xx.30.xxx
SRG.xx.50.xxx
SRG.xx.80.xxx 300 mm
500 mm
800 mm
Construction
Self-cleaning, optimum flow
design
Material Stainless steel
1.4404 or
1.4581