Technical Data; General Technical Data; Motor; Gearbox - Grundfos SRG.11.12.524 Serie Instrucciones De Instalación Y Operación

10. Technical data

10.1 General technical data

Voltage tolerance
Enclosure class
Insulation class
Maximum installation depth
Maximum number of starts
per hour
Length of power supply cable
Wire length on all winches
* Other cable lengths are available on request.

10.2 Motor

Maximum installation depth
Maximum number of starts
per hour
Enclosure class
Insulation class
Material, motor housing

10.3 Gearbox

Type
Gears
Monitoring of shaft seal
Drive-end bearings
Material, gear casing

10.4 Shaft seals

Two lip seals and one mechanical shaft seal made of
SRG
tungsten carbide/tungsten carbide or SiC/SiC

10.5 Impeller

Number of blades 3
SRG.xx.12.xxx
Nominal diameter SRG.xx.20.xxx
SRG.xx.32.xxx
Construction Self-cleaning, optimum flow design
Material Stainless steel

10.6 Sound pressure level

The sound pressure level of the pump is lower than 70 dB(A).
20
+/- 10 % of nameplate value
IP68
H
66 ft (20 m) below liquid level
20
33 and 50 ft (10 and 15 m)
(standard)*
33 ft (10 m) (standard)
66 ft (20 m) below the liquid
surface
20
IP68
H
Cast iron, ASTM 48 class 35B
(EN-GJL-250)
Planetary gearbox
Hardened and ground steel
Leak sensor incorporated in
gearbox
Two tapered roller bearings
Cast iron, ASTM 48 class 35B
(EN-GJL-250)
12 in (300 mm)
20 in (500 mm)
32 in (800 mm)
CF8M or 316SS (1.4408
or 1.4581)

11. 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.