Specifications CTM 25-8

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/inch
 Height A  90 / 3.54
 Length B   279 / 10.98
 Height C  63 / 2.48
 Depth D  126 / 4.96
Technical info Unit  Model/Value
Motor   IEC standard, 
3 x380 VAC*
2 900 rpm, 
frame B3/B14
Motor power   kW 0,25
Motor size mm 63
Flange inlet (opt) DN 25
Flange outlet (opt) DN 25
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)

* other on request
**2 % max concentration in weight

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

curves CTM25-8.en

Performance curve - click to enlarge

CTM dim.en


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 28 countries and by independent distributors in more than 30 countries.