ISA S12.4 : 1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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INSTRUMENT PURGING FOR REDUCTION OF HAZARDOUS AREA CLASSIFICATION
15-01-1996
12-01-2013
Covers a technique for reducing the hazard classification by the continuous addition of air or an inert gas within a general purpose enclosure. Refers only to hazards created by gases or vapors and is concerned only with those system design criteria related to electrical ignition of a hazardous gas or vapor.
DocumentType |
Standard
|
PublisherName |
International Society of Automation
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Status |
Superseded
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SupersededBy |
API 500B : 88 ERRATA | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT DRILLING RIGS & PRODUCTION FACILITIES ON LAND & ON MARINE FIXED & MOBILE PLATFORMS |
API 500 RUSSIAN :1997 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2 |
API 500 RUSSIAN : 1997 : R2002 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2 |
ISA RP92.04.02-2 : 1996 | INSTALLATION, OPERATION, AND MAINTENANCE OF INSTRUMENTS USED TO DETECT OXYGEN-DEFICIENT/OXYGEN-ENRICHED ATMOSPHERES |
ISA 92.04.01-1 : 2007 | PERFORMANCE REQUIREMENTS FOR INSTRUMENTS USED TO DETECT OXYGEN-DEFICIENT/OXYGEN-ENRICHED ATMOSPHERES |
API 552 : 1994 | TRANSMISSION SYSTEMS |
API 670 : 2014 | MACHINERY PROTECTION SYSTEMS |
API 540 : 1999 : R2006 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
API 505 : 1997 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS I, ZONE 0, ZONE 1, AND ZONE 2 |
API 540:1999 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
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