The HFI-EX ATEX airflow controller is used for room airflow control (supply /exhaust), and also laboratory hood airflow control when the system is associated with Vita Lab Solo. The VAV controller HFI/EX can be used associated with Vita Lab Solo for fume cupboard control according to EN14175 standard. In this case, the HFI-EX ATEX airflow controller has to be installed on fume cupboard exhaust (Ex zone) and Vita Lab Solo has to be installed out of Ex zone.
The VAV controller HFI/EX is designed for variable airflow systems, supply or exhaust, in potential explosion conditions. The whole system is Ex proof certified, and certificates are available.
Stainless steel design (AISI 304 or AISI 316L)
Circular duct connection equipped with integrated rubber gaskets
Shut off operation (blade gasket)
Ex proof actuator fast running time
Ex proof pressure sensor
Ex terminal box
Settings can be changed after commissioning
Explosion proof solution for airflow control (VAV – CAV)
Pressure independant operation
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