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Plastic Sandwich Box Vacuum Nitrogen Packing Sealing Machine

  • AS-4

  • Chunlai

AS-4 Plastic Sandwich Box Vacuum Nitrogen Packing Sealing

Machine is vertical type vacuum and gas-flush pneumatic tray

sealing system, vacuums the tray completely before it inserts gas.

The machine is built in stainless steel for use in hygienic

environments. The system is tooled up to your specific tray size and

neatly trims the film around the perimeter of the traythe wasted

film is then taken up onto the motorized film feeding system.This

machine reguires a compressed air connection.

Main Function:

The food trays are manually placed in the tray carrier drawer.As a

safety precaution, the operation is initiated by the two handed

release system.

The tray carrier moves automatically into the machine and the

machine head comes down and seals around the tray carrier.

The large capacity vacuum pump efficiently evacuates the chamber

and the gas-flush is carried out.

The sealing head then moves down,completing the perimeter seal

around the tray as well as a neat perimeter cut.

The tray carrier drawer then automatically moves back out to the

operator and the trays may be removed.

While removal and reloading of the trays takes placethe film is

automatically fed to the new position.The new position is

determined by either time,blank film counting

(to calculate the film length of tray for saving the film cost) or by

photocell sensor mark(for printed film).

Production Capacity

300-400 times/hour

Filling Range

can be customized


220V 50Hz


2 Kw

Air consumption

0.4 mз/min

Machine Frame: Stainless Steel 

Bottom Molds:Aluminum Alloy

PLC: Mitsubishi 

Cylinder: AirTac 

Solenoid valve: Mindmand

Switch: IDEC

Seal only

Free flow gas flush MAP(Modified Atmosphere Packaging)

Nitrogen gas flush

Vacuum Gas

Skin-Skin packaging

tray seal


bowl vacuum

vacuum seal

bowl seal

round bowl seal 

vacuum skin

vacuum skin

tray gas sealing

vacuum gas

tray seal sample

tray seal


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