![\"What](\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/What-Is-The-Pressure-Decay-Leak-Testing-Method.png\")
<\/figure>\n\n\n\nAdvantages of Pressure Decay Testing<\/h2>\n\n\n\n
Highly Accurate:<\/strong> Detects even the smallest leaks.<\/p>\n\n\n\n \u8cbb\u7528\u5bfe\u52b9\u679c\uff1a<\/strong> Uses air instead of expensive gases like helium.<\/p>\n\n\n\n Versatile:<\/strong> Applicable for both positive and negative pressure testing.<\/p>\n\n\n\n Broad Industry Applications:<\/strong> Used in automotive, medical, packaging, and industrial manufacturing.<\/p>\n\n\n\n Pressure decay leak testing is used across various industries, including:<\/p>\n\n\n\n Automotive \u2013 Fuel system components, radiators, and airbag systems.<\/p>\n\n\n\n Medical \u2013 Medical tubing, syringes, and sealed containers.<\/p>\n\n\n\n Packaging \u2013 Sealed food and beverage containers.<\/p>\n\n\n\n Industrial Manufacturing \u2013 Hydraulic and pneumatic components.<\/p>\n\n\n\n Ensure all components are available.<\/p>\n\n\n\n Install the cartridge into the housing, securing all fittings.<\/p>\n\n\n\n If using a pre-wetted cartridge, proceed to testing.<\/p>\n\n\n\n To wet the cartridge, open valves to allow fluid flow and remove air bubbles.<\/p>\n\n\n\n Ensure all valves are initially closed.<\/p>\n\n\n\n Connect a regulated air or nitrogen source.<\/p>\n\n\n\n Slowly increase the pressure to the specified test value.<\/p>\n\n\n\n Close the valve and allow stabilization.<\/p>\n\n\n\n Measure pressure drop over a set time (typically 10 minutes).<\/p>\n\n\n\n If pressure drop is below the threshold, the component passes.<\/p>\n\n\n\n The pressure decay rate can be calculated using the formula:<\/p>\n\n\n\n DP = D * T * Pa \/ V<\/strong><\/p>\n\n\n\n \u3069\u3053\u3067\u3060\uff1a<\/p>\n\n\n\n DP<\/strong> = Maximum allowable pressure drop.<\/p>\n\n\n\n D<\/strong> = Diffusion rate limit.<\/p>\n\n\n\n T<\/strong> = Test duration in minutes.<\/p>\n\n\n\n Pa<\/strong> = Atmospheric pressure (14.7 psi).<\/p>\n\n\n\n V<\/strong> = Volume of test apparatus.<\/p>\n\n\n\n Ensure all connections are airtight. Perform regular system leak checks.<\/p>\n\n\n\n Re-wet the cartridge and retest if necessary.<\/p>\n\n\n\n Ensure O-rings are undamaged and properly seated.<\/p>\n\n\n\n Pressure decay leak testing is a reliable, cost-effective, and widely adopted method for detecting leaks in manufacturing and industrial applications. By following the correct procedures and troubleshooting potential issues, manufacturers can ensure product integrity and safety.<\/p>\n\n\n\n Our well-equipped facilities and excellent quality control throughout all stages of manufacturing allow us to guarantee complete satisfaction to buyers of \u30d2\u30fc\u30c8\u30b7\u30fc\u30eb\u8a66\u9a13\u6a5f<\/a>,\u30ea\u30fc\u30af\u30c6\u30b9\u30c8\u88c5\u7f6e\u30e1\u30fc\u30ab\u30fc<\/a>,\u30ea\u30fc\u30af\u30fb\u30b7\u30fc\u30eb\u5f37\u5ea6\u30c6\u30b9\u30bf\u30fc<\/a>,\u4e2d\u56fd\u8a66\u9a13\u88c5\u7f6e<\/a>,\u6750\u6599\u8a66\u9a13\u88c5\u7f6e<\/a>,\u30ab\u30b9\u30bf\u30e0\u8a66\u9a13\u88c5\u7f6e<\/a>,\u5f15\u5f35\u8a66\u9a13\u6a5f<\/a>,\u771f\u7a7a\u30ea\u30fc\u30af\u30c6\u30b9\u30bf\u30fc<\/a>,\u7e4a\u7dad\u8a66\u9a13<\/a>,\u6469\u64e6\u4fc2\u6570\u30c6\u30b9\u30bf\u30fc<\/a>,\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u30fb\u30c6\u30b9\u30c8<\/a><\/p>\n\n\n\n \u3053\u306e\u88fd\u54c1\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3092\u3054\u5e0c\u671b\u306e\u5834\u5408\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u4ed6\u306e\u4eba\u6c17\u5546\u54c1\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\uff1a \u30b0\u30ed\u30b9\u30fb\u30ea\u30fc\u30af\u30fb\u30c6\u30b9\u30bf\u30fc\u88c5\u7f6e<\/a>, \u30b0\u30ed\u30b9\u30fb\u30ea\u30fc\u30af\u30c6\u30b9\u30bf\u30fc \u6a5f\u5668\u8a66\u9a13<\/a>, \u30b0\u30ed\u30b9\u30fb\u30ea\u30fc\u30af\u30c6\u30b9\u30bf\u30fc \u6a5f\u5668\u8a66\u9a13<\/a>, \u30b2\u30eb\u30dc\u5c48\u66f2\u8a66\u9a13\u6a5f\u30e1\u30fc\u30ab\u30fc<\/a>, \u30b2\u30eb\u30dc\u30fb\u30d5\u30ec\u30c3\u30af\u30b9\u30fb\u30c6\u30b9\u30bf\u30fc \u30e1\u30fc\u30ab\u30fc<\/a>, Gelbo Flex Tester \u30b5\u30d7\u30e9\u30a4\u30e4\u30fc<\/a>, Gelbo Flex Tester \u4e2d\u56fd<\/a>, \u30b2\u30eb\u30dc\u30fb\u30d5\u30ec\u30c3\u30af\u30b9\u30fb\u30c6\u30b9\u30bf\u30fc\u30fb\u30b5\u30fc\u30d3\u30b9<\/a>, \u30ea\u30fc\u30af\u30fb\u30b7\u30fc\u30eb\u5f37\u5ea6\u8a66\u9a13\u6a5f \u4e2d\u56fd<\/a>, \u30ea\u30fc\u30af\u30fb\u30b7\u30fc\u30eb\u5f37\u5ea6\u8a66\u9a13\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>, \u30b2\u30eb\u30dc\u30fb\u30d5\u30ec\u30c3\u30af\u30b9\u30fb\u30c6\u30b9\u30bf\u30fc\u30fb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>, Cof \u30c6\u30b9\u30bf\u30fc \u4f9b\u7d66\u8005<\/a><\/p>","protected":false},"excerpt":{"rendered":" Introduction to Pressure Decay Leak Testing Pressure decay leak testing is one of the most widely used methods in manufacturing production lines. This method is simple, cost-effective compared to helium testing, and easy to automate, making it a preferred choice in various industries. How Does Pressure Decay Leak Testing Work? The pressure decay method involves filling a test component with pressurized air. Once the desired pressure is reached, the component is isolated from the air supply and allowed to stabilize. A sensor then measures any pressure drop over a set time. Key principle: A decrease in pressure indicates the presence of a leak. The rate of pressure drop determines the severity […]<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-989","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/posts\/989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/comments?post=989"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/posts\/989\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/media?parent=989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/categories?post=989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/ja\/wp-json\/wp\/v2\/tags?post=989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Pressure Decay Testing Applications & Industries<\/h2>\n\n\n\n
Pressure Decay Testing Procedure: Step-by-Step<\/h2>\n\n\n\n
1. Cartridge Installation & Wetting<\/h3>\n\n\n\n
2. Performing the Pressure Decay Test<\/h3>\n\n\n\n
Pressure Decay Test Formula<\/h2>\n\n\n\n
Common Issues and Troubleshooting<\/h2>\n\n\n\n
1. Air Leaks in Plumbing<\/h3>\n\n\n\n
2. Marginal Failures<\/h3>\n\n\n\n
3. Incorrect Cartridge Installation<\/h3>\n\n\n\n
\u7d50\u8ad6<\/h2>\n\n\n\n