HTD-630

The HTD-630 is a heavy duty industrial air control damper qualified for use in tunnel and transit systems. This model has a double flanged frame and features mechanically fastened silicone blade seals and stainless steel jamb seals.

Meets the requirements of NFPA-130, 502, and UL 555S
Blade type: fabricated airfoil
Pressure: Up to 24 in. wg
Velocity: Up to 4,000 fpm
Temperature: 250°F continuous; 482°F for 2 hours (NFPA-130, 502)
Fatigue Cycles: 8 million reverse cycles at 24 in. wg

Tunnel Dampers

Damper Selection Guide

Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format.

LEARN MORE

Purchase Options:

REQUEST A QUOTE

Configure to Order

Need a specific configuration? Submit a request online and get a quote from your local representative within 4 hours.

REQUEST QUOTE

Codes:

National Fire Protection Association (NFPA 130 and 502)

Show All