Fire Dampers
Quality – Integrity – Reliability
PMT has designed, tested and manufactures internal expansion fire dampers for all of your needs. PMT supplied dampers have the following features:
- Certified to close under airflow
- Requires no external expansion clearance due to internal expansion design
- Sizes are available for all applications
- Qualified to UL 505
- Seismically qualified
- Low pressure drop design
- Available with many link style and location configurations
Performance testing of PMT internal expansion at UL Laboratories. PMT normally supplies a sleeve with the damper, making for easy installation.
Fire Damper
PMT supplied internal expansion fire damper at D.C. Cook Plant. This damper was designed to work with the existing CO2 trigger system.
- Certified to close under airflow
- Internal and external expansion designs dynamic 3-hour rating
- Sizes available for all applications
- UL Qualified installation configurations available
- Special configurations available for all applications
- Available with limit switches
- Galvanized steel standard (stainless steel optional)
- Low pressure drop design
Dynamic 3 Hour Fire Damper
- Certified to close under airflow
- Internal expansion design (requires no external expansion clearance)
- Sizes are available for all applications
- Many U.L. qualified installation configurations are available
- Special configurations are available for all applications
- Complete environmental qualifications (including seismic)
- Available with limit switches
- Galvanized steel is standard, stainless steel is available
- Low pressure drop design
- Welding and inspections in accordance with AWS and/or ASME as required
- Manufactured in accordance with our Quality Assurance program
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