Thomas offers an extensive liquid diaphragm pump portfolio that covers flow ranges from 180 ml/min to more than 1 l/min and operating pressures up to 6 bar. Diaphragm pumps are remarkably robust and offer long-term compatibility with superior resistance to chemical or mechanical stress. Learn more about diaphragm technology. 
Common applications include digital inkjet printing, in-vitro diagnostic devices and fuel cells. 
Try our Thomas liquid diaphragm pumps now! 

Flow
Motor
Suction height
Pressure height
Data sheet
ml/min
mH2O
mH2O
8 7 6 5 4 3 2 1 0
10 20 30 40 50 60
6410 Series
Model No.
Free Flow
700.0
ml/min
Motor
DC, BLDC
V Hz
Maximum Vacuum
3.0
in.Hg mbar
Maximum Pressure
10.0
psi bar
Motor Type
6311 Series
Model No.
Free Flow
190.0
ml/min
Motor
BLDC
V Hz
Maximum Vacuum
3.0
in.Hg mbar
Maximum Pressure
40.0
psi bar
Motor Type
Aquamarin 1210 Series
Model No.
Free Flow
180.0
ml/min
Motor
DC
V Hz
Maximum Vacuum
6.0
in.Hg mbar
Maximum Pressure
10.0
psi bar
Motor Type
5002F Series
Model No.
Free Flow
1,100.0
ml/min
Motor
DC
V Hz
Maximum Vacuum
6.0
in.Hg mbar
Maximum Pressure
40.0
psi bar
Motor Type
F120 Series
Model No.
Free Flow
900.0
ml/min
Motor
AC, DC
V Hz
Maximum Vacuum
4.0
in.Hg mbar
Maximum Pressure
60.0
psi bar
Motor Type