CTM 20-7

CTM 20-7 is the smallest in the range of CTM pumps, with motor 0.12 kW, capacity 4.5 m3/h and max head 7.5 m.

Specifications CTM 20-7

Performance curve
The performance curves are based on water at 20°C. Other circumstances might change the performance.
Read about how do you interpret the performance curves.




Dimensions mm
Height A 70
Length B 248,5
Height C 56
Widht D 112


Technical info Unit Model/Value
Motor   IEC standard,
3 x400 VAC*
2 900 rpm,
frame B3/B14
Motor power kW 0,12
Motor size mm 56
Flange inlet - -
Flange outlet - -
Temp range
PP pumps
°C PP pumps 0... +70
PVDF pumps 0... +80
System pressure rating   PP pumps:
PN4 at 20°C
PN2 at 70°C
PVDF pumps:
PN4 at 20°C
PN2 at 80°C
Viscosity max cSt 200
Solids** μm 150
(hardness 800 Vk)

Downloads for CTM 20-7

Find downloads like brochures, instructions and drawings. For instructions in other languages, click here to go to the brochures & manuals download page


CTM magdrive pumps IOM english

CTM magdrive pumps brochure 8 pages english

CTM 20-7k-01

Performance curve click to enlarge

curves CTM-20-7.en

* other on request
**2 % max concentration in weight CTM dim.en

For more detailed information – please download our product brochure CTM centrifugal pumps.



About Tapflo. Tapflo Group is an independent, family owned, European manufacturer and global supplier of Air operated diaphragm pumps, centrifugal pumps and other industrial process equipment. Tapflo is represented by own sales offices in 30 countries and by independent distributors in more than 45 countries.