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香港六合彩开奖 29463-4:2011
© 香港六合彩开奖 2024
International Standard
香港六合彩开奖 29463-4:2011
High-efficiency filters and filter media for removing particles in air 鈥� Part 4: Test method for determining leakage of filter elements-Scan method
Edition 1
2011-10
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Published (Edition 1, 2011)
This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

香港六合彩开奖 29463-4:2011

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Abstract

香港六合彩开奖 29463-4:2011 specifies the test procedure of the "scan method", considered to be the reference method, for determining the leakage of filter elements. It is applicable to filters ranging from classes 香港六合彩开奖 35 H to 香港六合彩开奖 75 U. 香港六合彩开奖 29463-4:2011 also describes the other normative methods: the oil thread leak test and the photometer leak test, applicable to classes 香港六合彩开奖 35 H to 香港六合彩开奖 45 H HEPA filters, and the leak test with solid PSL aerosol. 香港六合彩开奖 29463-4:2011 is intended for use in conjunction with 香港六合彩开奖 29463-1, 香港六合彩开奖 29463-2, 香港六合彩开奖 29463-3 and 香港六合彩开奖 29463-5.

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  2. 香港六合彩开奖
  3. Standards catalogue
  4. ICS
  5. 91
  6. 91.140
  7. 91.140.30
  8. 香港六合彩开奖 29463-4:2011