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  • Oil and Gas Pipeline Leak Detection Solution
    The present, rapid development of the petroleum industry is increasing the demand placed on petroleum pipes. Consequently, pipeline leakages -- caused by manmade or natural events -- have become a major challenge for the oil and gas industry. Detecting leaks early avoids larger, more damaging
  • Application Note: Temperature Effects on Leak Testing
    Temperature effects are a significant consideration while testing for leaks using pressure or flow measurement techniques. There are two sources of temperature effects; adiabatic, the effect of changing the pressure of the test medium, and ambient, the effect on the test piece by the environment
  • Fundamentals of Leak Detection
    Unwanted leaks in any system can easily damage expensive equipment and machinery reducing the effectiveness of the process. The primary reasons for helium leak testing are quality, reliability, personnel protection, and protecting the environment. Unforeseen issues like vacuum leaks can become
  • Principles of Operation For Force-Decay Leak Testing of Flexible Packages
    Non-destructive leak testing for flexible packages can be accomplished by several methods that utilize. various properties of the package form and materials. Techniques include vacuum bubble test, pressure/. vacuum decay, displacement change, trace gas and force-decay, and each method provides
  • Detecting Air Leaks in Low Emissivity Enclosures
    procedures. Such tests require the enclosed and isolated environment to be totally controllable for temperature, pressure, moisture, and other proximal qualities. Leaks in the test cell will introduce unknown quantities of various factors such as gases, vapors, and other contaminants that prevent
  • What Is A Virtual Leak And How Does It Affect Your Vacuum System?
    A virtual leak is a trapped volume of gas within a vacuum chamber that cannot be easily pumped out due to restrictions in the path connecting the trapped gas to the main chamber. Virtual leaks reference a leak that cannot be found during any activities or tests performed outside of the vacuum
  • CASE STUDY: Leak Testing Vacuum Packaged Coffee Pouches
    The customer's product consisted of ground coffee vacuum packed and sealed into small foil packages. Because of this packaging process, there was no "head space" (air or gas space inside the package) to facilitate vacuum decay testing, so a pressure decay chamber test was designed.
  • Package Hermeticity and Gas Analysis
    leak rate range of interest. Most test methods cited use a pressurization cycle with a tracer gas or fluid, followed by a measurement of the amount of tracer entrapped in the package, or its rate of flow from the package (per unit time).
  • Flammable Gas Sensors: Which is the Best?
    Flammable gas sensors monitor ambient air for flammable gases like propane, methane, butane, isopropanol, hydrogen or any of over a dozen gases that can easily ignite in air. Even though you don't see them, flammable gas sensors are everywhere. They are used to check for gas leaks in home gas
  • Case Study - Marshall Gas Controls
    Marshall Gas Controls in San Marcos, Texas, a division of the S.H. Leggitt Co., is a high-volume. manufacturer of high-pressure and adjustable liquid propane gas regulators, hose assemblies. and pigtails. For years, the company built its own leak testers. Although the testers performed well
  • Minimizing the Time to Cool Water for Hydro-test
    Pre-commissioning an oil and gas pipeline for field readiness requires a series of tests to ensure the structural integrity of the piping system before the final product is introduced. Chief among these procedures is the hydrotest, a pipeline flooding and pressurization process whereby water
  • Low Global Warming Potential Refrigerants A New Option for Environmental Test Chambers That Helps Combat Climate Change
    a high ODP and/or GWP value, which means some are more harmful to the. environment than others. R-404A is not the only refrigerant in the industry, but it is primarily used in test chambers. Gases with. similar chemical structures to R-404A are classified as hydrofluorocarbons (HFCs), and now
  • Plastic Piping Handbook
    Plastic Piping Handbook. Featuring new inspection, test, and leak detection procedures, codes, and standards, this handbook is a comprehensive guide to the durable, economical piping solution used today in 90% of low-pressure liquid and natural gas installations.
  • Pressure Monitoring of Air Leakage Detection Equipment
    Air leakage detector is a commonly used device for detecting various gas leaks and product airtightness. Traditional testing equipment is low in precision, poor in efficiency, and greatly influenced by human factors. Moreover, products such as electrical components cannot quantitatively measure

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