Ventilation for shelters

The catalog provides information on the ERV and ERVN series of high-pressure electric manual fans designed for shelters. ERV fans are intended for use in supply and exhaust ventilation systems and can operate both from the electrical mains and via manual drive. ERVN fans are intended for use in supply and exhaust ventilation systems and can operate both from the electrical mains and via manual drive.The “Shelter Dampers” section presents the K-RB, K-BB, and R-BBN airflow measuring shut-off dampers, which are used to determine airflow rate during the operation of ERV and ERVN electric manual fans. It also includes the K-G double airtight damper, designed to switch the filter-ventilation unit from ventilation mode to filtration mode.A range of explosion-protection devices and other optional accessories is also provided.