RFSLW– Regulating valve square leaf with servo drive preparation is designed for continuous regulation of volume airflow in the environment protected against weather conditions, especially dust and humidity.

The servo drive is not included with the valve.

On the customer’s request, it is possible to deliver the valve with a mounted servo drive from BELIMO.


RFSLW (T) A x B X pcs ( – / T * classic / tight)


RFSLW 300 x 200 Zn 1 pcs

Order example of leaf valve with servo drive preparation, A=300 mm, B=200 mm, made of galvanized material.