•
Before use, make sure that the product does not come into contact with dust or with chemicals not suitable for contact with drinking water,
for example lubricants, greases, or oils.
•
If the pump is used with potentially toxic liquids, it can no longer be used for drinking water.
•
In case of maintenance, be sure to always use original parts to maintain the initial hygienic characteristics of the product.
6.3 Pumped liquids
The product is suitable for pumping clean, thin, non-aggressive and non-explosive liquids without solid particles or fibres.
Viscosity
Pumping liquids with a higher viscosity than that of water will cause head loss and a higher power consumption.
If liquids with a viscosity higher than that of water are to be pumped, please contact Grundfos.
pH value
5 to 9
Liquid temperature
Observe the maximum liquid temperature of 40 °C under all conditions to ensure sufficient cooling of the motor.
Maximum sand content
Sand in the liquid will reduce the life of the pump and increase the risk of blocking.The sand content of the pumped liquid must not exceed: 50
g/m³.
6.4 Identification
6.4.1 Nameplate for SQF 3" pumps for EU
Nameplate for SQF 0.6, SQF 1, SQF 1.2, SQF 2.5. The nameplate is engraved into the pump sleeve.
1
Grundfos Holding A/S
DK - 8850 Bjerringbro
Denmark
2
PROD. NO.
3
P1
MODEL
SQF x . x - x
4
5
Weight
kg
6
MADE IN
7
Rp 1 1/4
8
Rotation direction
9
Fig.
Example of nameplate for a SQF 3" pump
Pos.
Description
1
Manufacturer
2
Product number
3
Pump generation
4
Type designation
5
Pump net weight
6
Country of origin
7
CE mark and approvals
8
Type and size of connecting thread
9
Direction of rotation
10
Production code, year and week
10
15