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IS Number | |||
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IS 9570 : 1980 |
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Title :-Classification of flammable gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents | |||
Unit Price |
Status |
Amendment |
Reaffirmed |
Gr 4 |
Active |
|
2001 |
Page Size |
No. of Pages |
Tech. Committee |
|
A5 |
13 |
ETD 22 |
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UDC 621.31-213.34 : 614.87 | |||
1 Scope
1.1 This standard classifies the flammable gases and vapours into various groups and sub-groups on the basis of their maximum experimental safe gaps (MESG) and minimum igniting currents (MIC).
2 References
IS 1248 : 1968 Specification for flameproof enclosures of electrical apparatus
IS 2148 : 1968 Specification for flameproof enclosures of electrical apparatus
IS 5780 : 1980 Specification for intrinsically safe electrical apparatus and circuits
IS 8239 : 1976 Classification of maximum surface temperatures of electrical equipment for use in explosive atmospheres
IS 9166 : 1979 Specification for spark test apparatus for intrinsically safe circuits