All about your flow



CTM 20-7

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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.

Features & Benefits

Magnetic power transmission – no mechanical seal problems
No leakage – safe working environment and environmental friendly
Seal less pump - safe handling of hazardous fluids
Hermetic system - no poisonous or dangerous vapours


CTM 20-7

Max temperature PP pumps 0… +70, PVDF pumps 0… +80
Motor IEC standard, 3 x380 VAC* 2 900 rpm, frame B3/B14
Motor power 0,12
Motor size 56
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 200
Solids 150 (hardness 800 Vk)


CTM 20-7

Dimension A 70
Dimension B 248,5
Dimension C 56
Dimension D 112
Dimension Y 56
Dimension Z 112
Dimension X 248,5

magnetic black


CTM 20-7

O-rings FKM (standard), EPDM or FFKM Kaflon
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
Magnets NdFeB



CTM 20-7

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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.