General Methods Corporation

(309) 263-7577

  • Home
  • Contact
  • HISTORY
  • SIV III
  • ECHO ENGRAVING
  • HIGH ALTITUDE SHIPPING
  • POUCH SEAL VERIFICATION
  • PEEL TESTER
  • SNACK BAR TESTER
  • SOME OF OUR CUSTOMERS
  • TESTING METHODS
  • NDT SEAL VERIFICATION
  • More
    • Home
    • Contact
    • HISTORY
    • SIV III
    • ECHO ENGRAVING
    • HIGH ALTITUDE SHIPPING
    • POUCH SEAL VERIFICATION
    • PEEL TESTER
    • SNACK BAR TESTER
    • SOME OF OUR CUSTOMERS
    • TESTING METHODS
    • NDT SEAL VERIFICATION

(309) 263-7577

General Methods Corporation
  • Home
  • Contact
  • HISTORY
  • SIV III
  • ECHO ENGRAVING
  • HIGH ALTITUDE SHIPPING
  • POUCH SEAL VERIFICATION
  • PEEL TESTER
  • SNACK BAR TESTER
  • SOME OF OUR CUSTOMERS
  • TESTING METHODS
  • NDT SEAL VERIFICATION

Non-destructive Pouch Leak Detect Unit (NPLDU) 


The Non-destructive Pouch Leak Detect Unit is used to test cereal bars and snack bars.

This unit runs on air pressure and requires no electricity.

The test cycle time is controlled with a pneumatic time delay valve. Up to eight bars can be tested per test cycle approximately 10 seconds per cycle. 


The specially designed tray can be slid out of the test chamber to easily load the bars to be tested. The theory is that during the vacuum test cycle, the bars that expand enough to open the tray doors pass the seal test.  The bars that have a bad seal will simply exchange pressure and the tray door will remain shut. 


There is a plate that can be adjusted in each of the 8 test positions in the tray to allow for different thickness of the bars. This is a visual test, no data is recorded. 

Our Quality

Quality is our top priority at General Methods Corporation (GEMCO). We use only the best materials and employ rigorous testing and inspection processes to ensure that every product meets our high standards.


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