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Leak Testing Basics

TQC Leak Test Systems
Other TQC Services
Contact Information

TQC Ltd, Hooton Street,
Carlton Road, Nottingham,
Notts. NG3 2NJ,

Tel: +44 (0) 115 9503561
Fax: +44 (0) 115 9484642


TQC Ltd specialise in the supply of
automatic leak testing machines & leak test systems.

The requirement may be for a standard leak testing application or a special purpose leak test machine. TQC combines standard leak test instuments and TQC designed fixtures to provide the best solution to suit the customer specification.

This test machine capability is enhanced by our experience in automated production line equipment and process automation resulting in a complete service to industry.

Leak testing is a niche area of engineering, sometimes referred to as pressure testing or vacuum testing. TQC has the knowledge and expertise to assist the customer in specifying the acceptable leakage rate, or leak limit, and in designing and supplying the leak test machine to reliably test how much an item is leaking..

Different forms of leak testing equipment supplied include, manually loaded QC test benches to fully automatic leak testing machine for 100% testing. Test methods provided include pneumatic leak testing, air decay leak measurement, pressure decay, vacuum decay, high vacuum, helium leak testing and water submersal or dunk tank systems for visual leak location..

Metal die casting leak test machine

twin station leak test system

helium leak test equipment

Metal Casting Leak Test Machine

Twin Station Leak Test Solution

Helium Leak Test Equipment

Leak testing provides the following benefits:

  • Quantifiable leak test
  • Calibration to ISO9000 etc
  • Fast clean and dry test
  • Easily incorporated into automatic or manual line
  • Automated pass/fail limits
  • Automatic pass/fail marking
  • Data outputs for SPC analysis

For further details of leak testing and leak test machines look at some of the other pages. As a taster, products succesfully leak tested over the past years include the following

Cylinder Blocks & Heads
Timing & Cam Covers
Gearbox & Clutch Housings
Fuel Tanks
Taps & Pipework
Hydraulic & Air Cylinders
Electronic Enclosures
Swallowable Camera
Shower Head
Blister Packs
Domestic Appliances
Shotgun Cartridges
Handheld Weapons
Chilled Beam Ceiling Units

If you have a current project that you are already looking at, or you are considering improvements to your production in the near future, call us and we will be happy to offer our professional advice & visit you at your site.

Air Decay Leak Testing :: Helium Leak Testing :: Pressure Testing :: Fixture & Seal Design Specialists