Description
RU Smoke Damper True Round Options
Integral Dual Position Indication Switches | |
Smoke Detectors: | SM-501 Flow Rated or 2151 No Flow; Ship Loose Only |
Retaining Angles: | Rolled |
Bearings: | Stainless Steel |
Retaining Plates | |
Copper Tubing: | For Pneumatic Actuators |
Construction & Performance Requirements Met
- Underwriters Laboratories, Inc. (UL): Standard 555S
- National Fire Protection Association Standards 80 and 90A
- California State Fire Marshall Listing #3230-1328:124