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SSSMDR-501

The SSSMDR-501 is a Class I leakage-rated round smoke damper constructed of 304 stainless steel. The damper installs vertically or horizontally and is rated for airflow and leakage in either direction.

  • Pressure: Up to 4 in. wg
  • Velocity: Up to 4000 fpm
  • Temperature: Up to 350°F

Certifications:

California State Fire Marshal (Listing # 3230-0981: 0113)

UL 555S (Listing # R13317)

Purchase Options:
Codes:

International Building Code (IBC)

National Fire Protection Association (NFPA 90A, 92, 101 and 105)