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Clamco's 7220 Series is the choice for tough, dependable long-life performance in continuous production environments.

Constructed of heavy-gauge structural steel, Model 7221 features a heavy-duty blower, variable air velocity control, digital heat control, and a variable-speed roller conveyor that instantly adjusts between live and dead.

The Model 7221 production shrink tunnel combines advanced design precision with tough, time-proven features - expertly crafted by Clamco, the industry's respected name for steadfast reliability and value.
Unit of Measure

Optional Features 


  • Additional roller - 1.5" or 1" roller spacing
  • Fiberglass mesh or stainless steel mesh conveyor
  • Stainless-steel construction
  • Spare parts kit



N/A 230 V


N/A Three


N/A 232 ºC450 ºF

Shrink Chamber Area (W x H)

N/A 22 x 10 in56 x 25 cm


N/A Silicone-covered roller

Conveyor Speed

N/A 0 to 125 ft/min

Conveyor Dim. (W)

N/A 20 in89 cm

Conveyor Dim. (L)

N/A 71 in180 cm

Max. Conveyor Dim. (H)

N/A 67 in170 cm


N/A 48 A

Heater Bank Power

N/A 14500 W


N/A CLAMCO Corporation



  • Digitally controlled heat to 450ºF (232ºC)
  • Variable air velocity control
  • Separate shrink chamber and conveyor
  • Fully insulated heat chamber
  • Air-cooled controls
  • Double entry and exit curtains for greater efficiency, and minimum heat loss
  • Adjustable heat pattern
  • Sturdy steel base
  • Live/dead roller conveyor
  • Made in USA