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Shrinking of film is a function of time and temperature. So, there is a correlation between tunnel length and conveyor speed based on product size and throughput. The ST-3 is our smallest (3') steam tunnel and has a single zone. To achieve optimal shrink for a great looking product, it is common to use either a single tunnel or multiple tunnels.

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ST3 Series Steam Shrink Tunnels

Shrink Applications

shrink applications

Standard Specifications

Standard Power	240/480 Volt, 3 Phase, 30/20 Amp
Tunnel Length	3'
Tunnel Entrance/Exit (WxH)	9.5" x 25"
Standard Height Range	24.5" - 39.25"
Min Steam Supply Pressure	80 psi
Max Steam Consumption	330 lb/hr
Exhaust Blower Max	592 cfm

*Other power options available, typical conveyor uses about 6” of tunnel opening

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Features

Stainless steel weldment frame with adjustable feet
Heat safe baffle pressure calibration compartments
Independent and adjustable steam baffles with tool-less adjustment
Regulator & gauge kit maintains tight control of steam pressure and compensates for upstream or downstream fluctuation
Variable speed steam exhaust controls
Doors with windows on each side of the tunnel for easy access and operator visibility
Water collection tray with drain system

Tripack steam tunnels have 6 adjustable baffles per zone (3 per side) and each baffle can be adjusted up/down, in/out, and yaw pitch for directing steam directly where it is needed on your product. Each baffle has its own flow control ball valve with calibration scale to throttle back the steam if you don’t need so much in a particular area.

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ST-3 steam SHRINK tunnel

Shrink Applications

Standard Specifications

Features

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