Smoke Damper-KSD-333 Class I
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Smoke Damper-KSD-333 Class I
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Description
1- Standard Models for Fire & Fire Smoke dampers will be provided as 1.5hr rated.The KSD-333-1PB is UL555S classified rated as a Class I Leakage Smoke Damper.
2- Standard dampers will be provided for use on 2000 Fpm velocities and 4” W.G.
3- Standard Models Smoke & Fire Smoke dampers will be provided for use in 250°F temperature rating applications with
Class III leakage rating. (350°F is optional and other Leakage classes are optional).
4- Standard dampers will be provided with 220 VAC actuators mounted in the right/front - position, and the jack-shaft downstream.
5- Standard dampers will be provided with type “A” sleeves in 20 Gauge x 16“ long galvanized steel.
6- Standard dampers construction will be 16Ga galvanized steel (refer to the product specification sheets).
7- Standard dampers will be provided with RS-100 Electronic Fusible links with 165°F closing ratings. (options available)
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