11. Technical data
11.1 Motor
Voltage tolerance
- 10 %/+ 10 % of nameplate value
Maximum installation
66 ft (20 m) below the liquid surface
depth
Maximum number of
20
starts per hour
Enclosure class
IP68
Insulation class
F
Cast iron (ASTM A48 Class 40B
Material, motor housing
epoxy-coated)
Ambient temperature
41 °F to 104 °F (5 °C to +40 °C)
11.2 Gearbox
Type
Planetary gearbox
Gears
Hardened and ground steel
Monitoring of shaft seal
Leak sensor incorporated in gearbox
Drive-end bearings
Two tapered roller bearings
Cast iron (ASTM A48 Class 40B
Material, gear casing
epoxy-coated)
11.3 Shaft seals
Two lip seals and one mechanical shaft seal made of
SRP
tungsten carbide/tungsten carbide or SiC/SiC
11.4 Propeller
Number of blades
3
SRP.xx.12.xxx
Rated diameter
SRP.xx.20.xxx
SRP.xx.32.xxx
Construction
Self-cleaning, optimum flow design
Material
Stainless steel
11.5 Sound pressure level
The sound pressure level of the pump is lower than 70 dB(A).
12. Disposal
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.
18
12 in (300 mm)
20 in (500 mm)
32 in (800 mm)
AISI 316
Subject to alterations.