Further information for Helios Apparatebau MTVA75/80 - Helios metal poppet valve 73 85mm
MTVA 75/8 metal disk valve DN 75-8 mm for air extraction in rooms of all kinds, especially where non-combustible ventilation components are required. Hard fixable volume flow adjustment, secured against unauthorized adjustment. Corrosion protection by epoxy powder coating. Airtight conclusion by rotating foam ring for the avoidance of false air side. Make: Helios No.: 8868 Type: MTVA 75/8 ______________________________________