TSD-4-228 Air Curtain

Twelve-Seventeen Door • 4 Motors • 228" Wide • Unheated

TSD-4-228 Air Curtain
TSD-4-228 Air Curtain | Intertek ETL Listed C US TSD-4-228 Air Curtain | Made in the USA TSD-4-228 Air Curtain | AMCA Certified Badge

228” Twelve-Seventeen Door (TSD) unheated air curtain. Our TSD line of industrial air doors provide an air barrier for larger dock doors and other ground level doors. AMCA certified. Designed for doors up to 17 feet high. Learn more about our industrial air curtains here.

Max Install Height

At a Glance

Single Incremental Widths

4' to 30'

MAX Installation Height


Heavy Duty Motors

3 HP

Key Design Features

  • AMCA tested performance
  • Outer cabinet constructed of 18-gauge 304 stainless steel with #3 finish
  • 3 HP TEAO (Totally Enclosed Air Over) direct-drive single-speed motor(s)
  • High-efficiency discharge plenum with adjustable air foil vane (+/-20˚)
  • Top and bottom access panels for servicing and removal of motor-blower assembly
  • NEMA 12 control panel with factory installed magnetic motor starter, overload relays, and control transformer

Recommended Air Curtain Controls

  • Activation by 24V magnetic door switch
  • Toggle disconnect switch
  • Hand/Off/Auto selector switch

360 View

360 View | TSD-4-228 | Air Curtain | 228” Twelve-Seventeen Door Unheated
TSD-4-228 | Performance Table
MODELDoor Width (ft)Nozzle Width (in.)Max. FPM
at Nozzle
Avg. Outlet Velocity FPMCFM
at Nozzle
Outlet Velocity UniformityPower Rating
of Motors
Motor HPWeight (lbs)

Cost Savings Calculator

This tool will help you understand the cost savings you could expect based on the air curtain you select and your input on how and where it will be used.

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Air Curtain Selector

This tool is designed to help you find the best air curtain
for your situation by asking a few basic questions.