Composite ventilation damper 2227

aluminumfor pressure relieffor building

Wall or ceiling mounted pressure relief valve for cold rooms up to 75 m3 - Patented Wall mounted: extends in depth from 75 to 150 mm (up to 215 mm with the aluminium extension tube) For 120 mm maximum ceiling thickness Easy mounting The walls of a cold room are constantly subjected to strains caused by pressure variations, either from inside or outside. The patented FERMOD pressure relief valves allow the balance of internal and external pressures. DESCRIPTION • Expandable valve for 75 to 150 mm wall thickness, up to 215 mm with the aluminium extension tube • For 120 mm maximum ceiling thickness • 3 possible options for the cable outlet: external vertical, external horizontal or through the panel • Wall or ceiling mounting • Airtight mobile flaps to limit ice formation in cold room • Watertight mounting to avoid ice formation between the valve and the wall • 8W heating element is completely enclosed in the valve • Made of chemically resistant and corrosion proof composite material 2 REFERENCES 2227NT: Wall or ceiling mounted valve with heating cord, 8W continuous power, only for negative temperature cold room down to -30°C. 2228PT: Wall or ceiling mounted valve without heating cord, for positive temperature cold room. 3 POSSIBLE OPTIONS FOR THE CABLE OUTLET 2227NT-M: Through the panel 2227NT-H: Horizontal, external 2227NT-V: Vertical, external