Butterfly Dampers

Quality – Integrity – Reliability

Round or rectangular configurations
15″ w.g. maximum standard static pressure (higher pressure models are available)
Special configurations are available
Manual locking quadrants, hand-wheel or pull-chain actuators are available
Complete environmental qualifications (including seismic)
Available with limit switches
Stainless steel or silicone blade seals for leakage class II / III (other types are available)
Low pressure drop
ANSI/ASME Class II, Class III or Class IV leakage rate as applicable
Welding and inspections in accordance with AWS and/or ASME as required
Manufactured in accordance with our Quality Assurance program