Male/male DFM flowmeter in 26x34 or 1", 5 to 42 L/min VELTA part no. 80978.

- Direct display of flow rate in l/min
- Compact design

For hydraulic balancing and flow control in heating/cooling, air-conditioning, solar and geothermal systems. DFM allows easy adjustment of the system or parts of the system without diagrams, tables or measuring devices. Suitable for heating and cooling water, as well as water mixtures with commercially available anti-corrosion and anti-freeze additives. Compact flowmeter with display scale and ball valve for shut-off and regulation. Installation in pipes can be horizontal, diagonal or vertical. Adjustment is made using a screwdriver on the adjusting screw. The reading corresponds to the lower edge of the float body. Properly balanced hydraulic systems ensure optimum energy distribution and economical system operation in compliance with energy-saving regulations.


- Max. temperature range 120°C briefly 160°C
- Max. operating pressure 10 bar
- Float measurement principle with counter-spring
- Measuring range 5-42 l/min
- Nominal width DN 20
- Brass case