Provide system relief when operational pressures exceed defined maximum levels.

• Aluminum construction for a good-looking appearance
• Quiet operation

Round dampers available with seals and with or without factory-installed actuator.

• Inserts easily into round ductwork
• One-piece construction
• Low leakage

Fire, smoke, and fire/smoke combination dampers for life safety management.

• Three-year warranty on materials and workmanship 
• Fast shipping

Available in a variety of construction materials and a choice of seals.

• Different sizes available
• 3-year warranty on materials and workmanship

Designed to meet different application and environmental requirements.

• Three-year warranty on materials and workmanship
• Fast shipping
• Minimal leakage

A wide variety of louvers with adjustable or stationary blades, as well as combination louvers/dampers.

• Aluminum or galvanized steel
• 3-year warranty on materials and workmanship

Reliable airflow measuring through differential pressure and thermal dispersion.

• High accuracy and reliability
• Easy installation and short commissioning time

An HVAC load reduction system that works in all types of buildings, configurations, and climates.

• Improved efficiency and soundproofing
• Designed for simple, turn-key installation
• Easy transport and positioning