NFPA 496 : 2017
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
Available format(s)
Hardcopy
Superseded date
14-08-2021
Language(s)
English
Published date
01-01-2017
Publisher
Chapter 1 - Administration
Chapter 2 - Referenced Publications
Chapter 3 - Definitions
Chapter 4 - General Requirements for Pressurized
Enclosures
Chapter 5 - Pressurized Enclosures for Class I
Chapter 6 - Pressurized Enclosures for Class II
Chapter 7 - Pressurized Control Rooms
Chapter 8 - Pressurized Enclosures Having an Internal
Source of Flammable Gas or Vapor
Chapter 9 - Pressurized Analyzer Rooms Containing a
Source of Flammable Gas, Vapor, or Liquid
Annex A - Explanatory Material
Annex B - Informational References
Index
Gives information on the methods for purging and pressurizing enclosures to prevent ignition of a flammable atmosphere.
| DocumentType |
Standard
|
| Pages |
29
|
| PublisherName |
National Fire Protection Association
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| IEEE 303-2004 | IEEE Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations |
| 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 |
| 01/208810 DC : 0 | IEC 62185 ED.2 - INDUSTRIAL-PROCESS CONTROL - SAFETY OF ANALYZER HOUSES |
| BS EN 61285:2015 | Industrial-process control. Safety of analyzer houses |
| FM 3600 : 2018 | ELECTRICAL EQUIPMENT FOR USE IN HAZARDOUS (CLASSIFIED) LOCATIONS - GENERAL REQUIREMENTS |
| IEEE 3004.8-2016 | IEEE Recommended Practice for Motor Protection in Industrial and Commercial Power Systems |
| ANSI FC 1 : 2012 | STATIONARY FUEL CELL POWER SYSTEMS |
| API 500A : 4ED 82(R1987) | CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS IN PETROLEUM REFINERIES |
| ANSI/CSA HGV 4.8-2012 (R2018) | Hydrogen gas vehicle fueling station compressor guidelines |
| CSA HPIT 2-2017 | Dispensing systems and components for fueling hydrogen powered industrial trucks |
| NFPA 61B : 1989 | PREVENTION OF FIRES AND EXPLOSIONS IN GRAIN ELEVATORS AND FACILITIES HANDLING BULK RAW AGRICULTURAL COMMODITIES |
| ASTM D 6060 : 2017 : REDLINE | Standard Test Method for Sampling of Process Vents with a Portable Gas Chromatograph |
| NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
| NFPA 33 : 2018 | SPRAY APPLICATION USING FLAMMABLE OR COMBUSTIBLE MATERIALS |
| NFPA 35 : 2016 | MANUFACTURE OF ORGANIC COATINGS |
| NFPA 400 : 2016 | HAZARDOUS MATERIALS CODE |
| NFPA 70B : 2016 | RECOMMENDED PRACTICE FOR ELECTRICAL EQUIPMENT MAINTENANCE |
| BS EN ISO 10439:2002 | Petroleum, chemical and gas service industries. Centrifugal compressors |
| PIP ELCGL01 : 2013 | ELECTRICAL DESIGN CRITERIA |
| IPC HDBK 830 : A | GUIDELINES FOR DESIGN, SELECTION AND APPLICATION OF CONFORMAL COATINGS |
| FM 3620 : 2018 | PURGED AND PRESSURIZED ELECTRICAL EQUIPMENT FOR HAZARDOUS (CLASSIFIED) LOCATIONS |
| I.S. EN ISO 10439:2002 | PETROLEUM, CHEMICAL AND GAS SERVICE INDUSTRIES - CENTRIFUGAL COMPRESSORS |
| CSA PLUS 2203 : 2001 | HAZARDOUS LOCATIONS - GUIDE FOR THE DESIGN, TESTING, CONSTRUCTION, AND INSTALLATION OF EQUIPMENT IN EXPLOSIVE ATMOSPHERES |
| ISA 12.13.01 : 2003 | PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS |
| SAE J 2578 : 2014 | RECOMMENDED PRACTICE FOR GENERAL FUEL CELL VEHICLE SAFETY |
| CSA/ANSI NGV 4.1-2018 | Natural gas vehicle (NGV) dispensing systems |
| API 672 : 2004 | PACKAGED, INTEGRALLY GEARED CENTRIFUGAL AIR COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| NFPA 49 : 1994 | HAZARDOUS CHEMICALS DATA |
| Z276-18 | Liquefied natural gas (LNG) - Production, storage, and handling |
| C22.1-15 PACKAGE | Consists of C22.1-15, Canadian electrical code, part I (23rd edition), safety standard for electrical installations; C22.1HB-15, Canadian electrical code handbook - an explanation of rules of the Canadian electrical code, part I and the 2015 Electrical quick reference |
| 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 |
| NFPA 59A : 2016 | PRODUCTION, STORAGE, AND HANDLING OF LIQUEFIED NATURAL GAS (LNG) |
| NFPA 2 : 2016 | HYDROGEN TECHNOLOGIES CODE |
| NFPA 52 : 2016 | VEHICULAR NATURAL GAS FUEL SYSTEMS CODE |
| NFPA 301 : 2018 | SAFETY TO LIFE FROM FIRE ON MERCHANT VESSELS |
| NFPA 820 : 2016 | FIRE PROTECTION IN WASTEWATER TREATMENT AND COLLECTION FACILITIES |
| ISA RP92.04.02-2 : 1996 | INSTALLATION, OPERATION, AND MAINTENANCE OF INSTRUMENTS USED TO DETECT OXYGEN-DEFICIENT/OXYGEN-ENRICHED ATMOSPHERES |
| NFPA 1 : 2021 | FIRE CODE |
| C22.1HB-18 | Canadian Electrical Code Handbook - An Explanation of the Rules of the Canadian Electrical Code, Part I |
| ISA 92.04.01-1 : 2007 | PERFORMANCE REQUIREMENTS FOR INSTRUMENTS USED TO DETECT OXYGEN-DEFICIENT/OXYGEN-ENRICHED ATMOSPHERES |
| ISA 12.00.01 : 2002 | ELECTRICAL APPARATUS FOR USE IN CLASS 1, ZONE 0, 1 AND 2 HAZARDOUS (CLASSIFIED) LOCATIONS - GENERAL REQUIREMENTS |
| PIP PCSPA003 : 2017 | INSTRUCTIONS FOR PROCESS ANALYZER SHELTER DATA SHEETS |
| PIP PCCPA001 : 2016 | PROCESS ANALYZER SYSTEM DESIGN CRITERIA |
| ISA RP60.4 : 1990 | DOCUMENTATION FOR CONTROL CENTERS |
| API 500C : 2ED 84(R1990) | CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PIPELINE TRANSPORTATION FACILITIES |
| 03/305413 DC : DRAFT APR 2003 | IEC 61285 ED. 2.0 - INDUSTRIAL PROCESS CONTROL - SAFETY OF ANALYZER HOUSES |
| ANSI/CSA FC 1:2014 | FUEL CELL TECHNOLOGIES - PART 3-100: STATIONARY FUEL CELL POWER SYSTEMS - SAFETY |
| NFPA 36 : 2017 | SOLVENT EXTRACTION PLANTS |
| NFPA 651 : 1998 | MACHINING AND FINISHING OF ALUMINUM AND THE PRODUCTION AND HANDLING ALUMINUM POWDERS |
| NFPA 61 : 2017 | PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES |
| API 670 : 2014 | MACHINERY PROTECTION SYSTEMS |
| ISA 12.10 : 1988 | AREA CLASSIFICATION IN HAZARDOUS (CLASSIFIED) DUST LOCATIONS |
| CSA HGV 4.6 : 2013 | MANUALLY OPERATED VALVES FOR USE IN GASEOUS HYDROGEN VEHICLE FUELING STATIONS |
| NFPA 53 : 2016 | MATERIALS, EQUIPMENT, AND SYSTEMS USED IN OXYGEN-ENRICHED ATMOSPHERES |
| CSA 12.5 : 1999 : R2014 | NGV DISPENSING SYSTEMS |
| API STD 541 : 2014 | FORM-WOUND SQUIRREL CAGE INDUCTION MOTORS - 375 KW (500 HORSEPOWER) AND LARGER |
| NFPA 65 : 1993 | PROCESSING AND FINISHING OF ALUMINUM |
| FM 3640 : 2013 | LAND MOBILE RADIOS FOR USE IN CLASS I, DIVISION 1 HAZARDOUS (CLASSIFIED) LOCATIONS |
| API 2610 : 2005 : R2010 | DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES |
| API 14F : 2008 : R2013 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 540 : 1999 : R2006 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
| API 551 : 2016 | PROCESS MEASUREMENT |
| NFPA 55 : 2016 | COMPRESSED GASES AND CRYOGENIC FLUIDS CODE |
| NFPA 61 : 2020 | PREVENTION OF FIRES AND DUST EXPLOSIONS IN AGRICULTURAL AND FOOD PROCESSING FACILITIES |
| NASA KSC E 165 : 2009 | ELECTRICAL GROUND SUPPORT EQUIPMENT FABRICATION, SPECIFICATION FOR |
| NASA KSC STD Z 0006 : 1995 | DESIGN OF HYPERGOLIC PROPELLANTS GROUND SUPPORT EQUIPMENT, STANDARD FOR |
| NASA KSC STD E 0002 : 2009 | HAZARDPROOFING OF ELECTRICALLY ENERGIZED EQUIPMENT, STANDARD FOR |
| NASA STD 5005 : 2013 | STANDARD FOR THE DESIGN AND FABRICATION OF GROUND SUPPORT EQUIPMENT |
| NASA STD 5005(INT) : 2007 | THE DESIGN AND FABRICATION OF GROUND SUPPORT EQUIPMENT |
| NASA KSC DE 512-SM : 2012 | FACILITY SYSTEMS, GROUND SUPPORT SYSTEMS, AND GROUND SUPPORT EQUIPMENT GENERAL DESIGN REQUIREMENTS |
| NASA STD 8719.24 : 2011 | NASA EXPENDABLE LAUNCH VEHICLE PAYLOAD SAFETY REQUIREMENTS |
| NASA KSC STD 164 : 1992 | ENVIRONMENTAL TEST METHODS FOR GROUND SUPPORT EQUIPMENT, STANDARD FOR |
| CSA CE CODE SAFETY PACKAGE : 2012 | CE CODE SAFETY PACKAGE |
| NFPA 50B : 1999 | LIQUEFIED HYDROGEN SYSTEMS AT CONSUMER SITES |
| 13/30271477 DC : 0 | BS EN 61285 ED 3.0 - INDUSTRIAL-PROCESS CONTROL - SAFETY OF ANALYSER HOUSES |
| C22.10-10 | Québec Construction Code, Chapter V - Electricity Canadian Electrical Code, Part I (Twenty-first Edition) with Québec Amendments |
| API 55 : 1995 : R2013 | RECOMMENDED PRACTICE FOR OIL AND GAS PRODUCING AND GAS PROCESSING PLANT OPERATIONS INVOLVING HYDROGEN SULFIDE |
| API 55 :1995 | RECOMMENDED PRACTICE FOR OIL AND GAS PRODUCING AND GAS PROCESSING PLANT OPERATIONS INVOLVING HYDROGEN SULFIDE |
| API 552 : 1994 | TRANSMISSION SYSTEMS |
| I.S. EN 61285:2015 | INDUSTRIAL-PROCESS CONTROL - SAFETY OF ANALYZER HOUSES |
| API 546 : 2008 | BRUSHLESS SYNCHRONOUS MACHINES - 500 KVA AND LARGER |
| API 681 : 1996 | LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| CSA 12.5 : 1999 : R2004 | NGV DISPENSING SYSTEMS |
| API 554-2 : 2008 : R2016 | PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN |
| 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 |
| SAE J 2579 : 2013 | STANDARD FOR FUEL SYSTEMS IN FUEL CELL AND OTHER HYDROGEN VEHICLES |
| ABS 0057 : 2017 COR 2017 | GUIDE FOR THE CLASSIFICATION OF DRILLING SYSTEMS |
| API 14F:2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 540:1999 | ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS |
| API 2610:2005 | DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES |
| ISO 10439:2002 | Petroleum, chemical and gas service industries Centrifugal compressors |
| IEC 61285:2015 | Industrial-process control - Safety of analyser houses |
| EN ISO 10439:2002 | Petroleum, chemical and gas service industries - Centrifugal compressors (ISO 10439:2002) |
| API 555 : 2013 | PROCESS ANALYZERS |
| ABS 0063 : 2018 COR 2018 | RULES FOR BUILDING AND CLASSING FACILITIES ON OFFSHORE INSTALLATIONS |
| API SPEC 16C : 2015 | CHOKE AND KILL EQUIPMENT |
| API 55 : 1995 : R2007 | RECOMMENDED PRACTICE FOR OIL AND GAS PRODUCING AND GAS PROCESSING PLANT OPERATIONS INVOLVING HYDROGEN SULFIDE |
| NFPA 484 : 2015 | COMBUSTIBLE METALS |
| API 554-2 : 2008 | PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN |
| API 681 : 1996 : R2010 | LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| IEEE 1349-2011 REDLINE | IEEE Guide for Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations |
| CSA HGV 4.7:2013:(R2018) | AUTOMATIC VALVES FOR USE IN GASEOUS HYDROGEN VEHICLE FUELING STATIONS |
| NFPA 61D : 1989 | PREVENTION OF FIRE AND DUST EXPLOSIONS IN THE MILLING OF AGRICULTURAL COMMODITIES FOR HUMAN CONSUMPTION |
| NFPA 61A : 1989 | PREVENTION OF FIRE AND DUST EXPLOSIONS IN FACILITIES MANUFACTURING AND HANDLING STARCH |
| NFPA 61C : 1989 | PREVENTION OF FIRE AND DUST EXPLOSION IN FEED MILLS |
| API 2001 : 2012 | FIRE PROTECTION IN REFINERIES |
| API 14FZ : 2013 | RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS |
| API 14F REDLINE : 2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 500 : 2012 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2 |
| NFPA 1 : 2018 | FIRE CODE |
| CSA HGV 4.1 : 2013 | STANDARD FOR HYDROGEN DISPENSING SYSTEMS |
| C22.1-18 | Canadian Electrical Code, Part I (24th Edition), Safety Standard for Electrical Installations |
| EN 61285:2015 | Industrial-process control - Safety of analyzer houses |
| PIP PCEPA002 : 2016 | PROCESS ANALYZER PROJECT IMPLEMENTATION GUIDELINES |
| NFPA 69 : 2014 | EXPLOSION PREVENTION SYSTEMS |
| ISA RP12.4 : 1996 | PRESSURIZED ENCLOSURES |
| ISA 12.13.01 : 2003 | PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| NFPA 499 : 2017 | CLASSIFICATION OF COMBUSTIBLE DUSTS AND OF HAZARDOUS (CLASSIFIED) LOCATIONS FOR ELECTRICAL INSTALLATIONS IN CHEMICAL PROCESS AREAS |
| NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
| ASTM E 659 : 2015 : REDLINE | Standard Test Method for Autoignition Temperature of Chemicals |
| IEC 60079-13:2017 | Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v" |
| NFPA 497 : 2017 | CLASSIFICATION OF FLAMMABLE LIQUIDS, GASES, OR VAPORS AND OF HAZARDOUS (CLASSIFIED) LOCATIONS FOR ELECTRICAL INSTALLATIONS IN CHEMICAL PROCESS AREAS |
$171.88
Including GST where applicable
AUD
CAD
CHF
CNY
DKK
EUR
GBP
HKD
IDR
INR
JPY
KRW
MXN
NOK
NZD
SEK
SGD
USD
ZAR
Hardcopy - English
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Please Login or Create an Account so you can add users to your Multi user PDF Later.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Users cannot be edited or removed once added to your Multi user PDF.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.