Leminar, with state-of-the-art infrastructure, highly competent resources backed up with superior quality management systems has designed a damper that can meet the stringent requirements of the UL 555 standard for static operations for 1 1/2 hour & 3 hours rating.
Product Features
- Curtain Blade Type.
- Fire Rating: UL 555 tested – upto 3 hours for static systems.
- 100% free area (blades outside the airstream).
- Complies to NFPA 90A & SMACNA requirements.
- Dampers available in single and multisection.

UL

UAE Civil Defence (All Emirates)

Royal Oman Police
Blast Dampers & Valves
USPS & Features :-
- High-Speed Blast Resistance & Response
- Multiple blast resistance up 200KPa to and closure upon detecting an explosion, providing immediate protection against blast overpressure.
- Maximum Peak pressure up to 5 Bar (Reflected)
- Closing Time
- 8ms <( 0.75 Bar Reflected)
- 5ms <( 2 Bar Reflected)
- 3ms <<( 5 Bar Reflected)
- Operating temperature - -40C to 300C
- Certified for Explosive Atmospheres
- Built to meet EN1127-1:2019, EN ISO 80079-36:2016, and EN ISO 80079-37:2016 standards under the ATEX Directive 2014/34/EU, ensuring compliance for use in explosive atmospheres.
- Block by blast impulses (99.3% by shock tube test)
- Certified for Explosive Atmospheres
- Min - 300 mm x 300 mm
- Max - 1500 mm x 1500 mm
- Low Pressure Drop
- Engineered for minimal resistance to airflow during normal operation, which helps maintain system efficiency.
- Compact and Modular Design
- Allows for easy integration into new or existing duct systems and facilitates straightforward installation and maintenance.
- Reusability
- Designed to be reusable after a blast event, minimizing downtime and reducing replacement costs
- Manual and automatic reset options available
- Warranty for 3 years

