Grundfos MQ Series - Suction Lift Performance; Mechanical Installation

5
English (US)
7. Operating conditions
7.1 Suction lift
The maximum suction lift of the pump can be
determined from the diagram, page 19.
Example:
If the suction lift is 10 ft, the length of the suction pipe
must not exceed 72 ft.
MQ 3-35 MQ 3-45
Maximum flow rate [gpm] 22
Maximum inlet pressure [psi] 40
Pump discharge range [psi] 15-49 18-63
Maximum combined discharge pressure: Max.
Inlet + pump discharge range [psi]
55-89 58-103
Maximum suction lift [ft]; see page 19 25
Minimum ambient temperature [°F]/[°C] 32/0
Maximum ambient temperature [°F]/[°C] 113/45
Minimum liquid temperature [°F]/[°C] 32/0
Maximum liquid temperature [°F]/[°C] 95/35
Net weight [lbs] 29
Sound pressure level [dB(A)] < 70
Tank volume [oz] 13.5
Air pressure in tank [psi] 22 to 25
Connections 1" NPT
Priming and drain plugs 3/8" GAS