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Vacuum Leak Detector
Vacuum Leak Detector (VLD)
Pin Point Leaky Tubes
1/4 to 3-Inch OD
The Vacuum Leak Detector (VLD) is a simple test instrument used by manufacturers and users of condensers, heat exchang-ers and other tubular apparatus to identify leaky tubes. One man does the job. He seals the far end of each tube with a snap type tube plug, then he presses the rubber coated nozzle into the near end of the tube and depresses the trigger. Compressed air flows through a venturi chamber to produce a vacuum in the tested tube. When this vacuum reaches a satisfactory level, he releases the trigger. A steady gage reading indicates a good tube. A falling vacuum indicates a leaky tube. Using a 90 PSI dry clean air, a typical tube (1-Inch OD x 20 Ga. and 20-Feet long) can be tested in 6 to 8 seconds. Tool weighs 2 lbs. and is equipped with a muffler so it operates quietly even in confined areas.
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