Grundfos NB - 1. General information; 1.1 Hazard statements; 1.2 Notes; 1.3 Target group

1. General information
Read this document before you install the product.
Installation and operation must comply with local
regulations and accepted codes of good practice.
1.1 Hazard statements
The symbols and hazard statements below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
• Action to avoid the hazard.
1.2 Notes
The symbols and notes below may appear in Grundfos installation
and operating instructions, safety instructions and service
instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.
1.3 Target group
These installation and operating instructions are intended for
professional installers and for the operators of the product.
We recommend that installation is carried out by skilled persons
with technical qualifications required by the specific legislation in
force.
2. Product introduction
2.1 Product description
The product is a non-self-priming, single stage, centrifugal volute
pump with axial inlet port and radial outlet port.
2.2 Pumped liquids
Pumped liquids must be clean, thin, non-explosive and without
particles or fibers. The pumped liquid must not attack the pump
materials chemically.
2.3 Identification
2.3.1 Nameplate
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12
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1
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n 1760 RPM
PN-SN 92753486-10000001
PC P9-2344
Assembled In Brookshire, TX
PEI CL 0.87
Q 66.52 GPM
H 32.0 ft
p/t 175/245
Model NB 012-070/6.1AA1G6S3ESBQQEFX4
Imp.Dia 6.10 (in.)
R6
Reserved
QR code
TM085796
Example of NB nameplate
Pos. Description
1 Type designation
2 Product number and production serial number
3 Flow
4 Head
5 Production code
6 Pressure and temperature
7 Pump speed
8 Impeller diameter
9
PEI CL: Pump Energy Index, constant load
PEI VL: Pump Energy Index, variable load
10 Place of production
11 Field for approval marks and associated texts
12 Range identification (service range code)
5
English (US)