Fire Damper Duct Circular 150mm dia 120 mins

Systemair Fire Damper In-Duct Circular (PKI Range) are designed to fit inside spiral ductwork. Fire dampers represent passive fire protection, designed with the help of compartmentalisation to prevent the spread of toxic gases, smoke and fire. They are are designed and certified in accordance with the test criteria’s EIS according to EN 1366–2. A fire damper together with its installation form an inseparable part of the fire resistivity rating. The Damper closes after the melting of the thermal fuse. After the closing of the damper blade, it is mechanically locked in the closed position and can only be opened manually, which requires access of the maintenance staff into the duct. Suitable for✓ Spiral ductwork✓ Preventing the spread of toxic gases, smoke and fire. Specifications Brand Systemair Warranty 1 Year Manufacturer Technical DataThe actuating mechanism is activated when the temperature of the air in the duct reaches 72°C. • PKI-dia-120 Circular fire damper with a maximum fire resistivity of 120 minutes. Manuals & GuidesSystemair Fire Damper In-Duct Circular PKI 100 Dia (120 mins) Datasheet Systemair Fire Damper In-Duct Circular PKI 125 Dia (120 mins) Datasheet Systemair Fire Damper In-Duct Circular PKI 150 Dia (120 mins) Datasheet Systemair Fire Damper In-Duct Circular PKI 200 Dia (120 mins) Datasheet Systemair Fire Damper In-Duct Circular (PKI Range) User Manual