Specifications CTM 25-10

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  100 / 3.93
 Length B   334,5 / 13.17
 Height C  71 / 2.79
 Depth D  141 / 5.55
Pump casing and isolation shell (rear casing) PP (GF 30%) or PVDF
Impeller PP or PVDF
Lantern (not wetted) PP (GF 30%)
Static bushings Ceramic (standard) or SiC
Rotating bushings Carbographite (standard) or SiC
O-rings FKM (standard), EPDM orFFKM Kaflon
Magnets NdFeB
General characteristics 
Temperature range PP pumps: 0C …. +70C
  PVDF pumps: 0C …. +80C
System pressure rating PP pumps: PN4 at 20C, PN2 at 70C
  PVDF pumps: PN4 at 20C, PN2 at 80C
Viscosity 200 cSt max
Solids 2% max concentration in weight
  Hardness 800 Vk / size 150 m
Motor IEC standard, 3×380 VAC (other voltage upon request),
  2900 rpm, IP55, frame B3/B14

For more detailed information – please download our product brochure Air operated diaphragm pumps.

curves CTM-25-10.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.