Classifying Explosion Prone Areas for the Petroleum, by W.O.E. Korver

By W.O.E. Korver

Content material:
About the author

, Page v
Preface

, Page vii
Introduction

, Page 1
Chapter 1 - Flammable and flamable rules of damaging products

, Pages 4-20
Chapter 2 - Classifying assets of hazard

, Pages 21-43
Chapter three - the level of explosion probability for NEC classification I locations

, Pages 44-109
Chapter four - Spatial considerations

, Pages 110-123
Chapter five - The measure of explosion probability for NEC category II locations

, Pages 124-135
Chapter 6 - air flow requirements

, Pages 136-158
Chapter 7 - electric gear for NEC classification I locations

, Pages 159-166
Chapter eight - electric gear for NEC classification II, crew F locations

, Pages 167-168
Chapter nine - Intrinsically secure gear and wiring

, Pages 169-170
Chapter 10 - set up of electric tools in unsafe locations

, Pages 171-173
Chapter eleven - Hydrogen gas

, Pages 174-175
Chapter 12 - Cathodic protection

, Pages 176-177
Chapter thirteen - Static electricity

, Pages 178-180
Chapter 14 - Grounding of tanks, pipelines, and tank cars

, Pages 181-184
Chapter 15 - Grounding requisites for electric equipment

, Pages 185-193
Chapter sixteen - software of seals in NEC classification I locations

, Pages 194-210
Chapter 17 - software of seals in NEC category II locations

, Pages 211-213
- Environmental stipulations in NEC classification I dangerous locations

, Pages 216-368
- software process for classifying NEC classification I locations

, Pages 370-402
Appendix - homes of flammable drinks, gases and solids

, Pages 403-410
Definitions

, Pages 411-417
Bibliography

, Pages 418-420
Index

, Pages 421-428

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Additional info for Classifying Explosion Prone Areas for the Petroleum, Chemical and Related Industries

Sample text

2 PROB. H. PROB. FACTOR NOT OVER5, LOW PRESSURE,WELL MAINTAINEDAND NOT MORETHAN 50% FLOORSPACE CLOSED OR OPEN SMALL OR LARGE YES IN BUILDING UNDERVENT. FAILURE DIV. H. FOR BUILDING FLAMMABLE MATERIAL WILL NOT ENTERBLDG. H. FOR BUILDING FLAMMABLE MATERIAL WILL NOT ENTERBLDG. TABLEC C-13 4~ L~ CHAPTER 3 THE EXTENT OF EXPLOSION DANGER FOR NEC CLASS I LOCATIONS A. General The purpose of classifying a hazardous location is to provide an acceptable level of safety against explosion danger for personnel and equipment, This is accomplished not only by establishing the degree of explosion danger as shown in Table 1-3, but also by establishing the extent of the explosion danger, and by furnishing suitable electrical equipment in compliance with the established degree and extent of explosion danger.

1 is the continuous Classifying Sources of Hazard 39 release of flammable vapors. Item 2 No accumulation of flammable gases or vapors will occur in this location because of the presence of sufficient ventilation. The primary reason for classifying the location as Div. 2 is the presence of sufficient ventilation. Item 3 This item assumes for this location that if process equipment will rapture and damage nearby electrical equipment, it will produce arcs and sparks. The primary reason for classifying this location as Div.

HAZARD EXTENDSBEYOND BUILDING 100 HO, 2 Hi IF HAZARD EXTENDS BEYOND BUILDING 5 V AND 5 HO BEYOND DIV. 1 ZONE (8) ADDITIONAL DANGER ZONES REFER TO FIG. = =.. I, o L/1 "-JI TABLE C DEGREE AND EXTENT OF DANGER AREA FOR CLOSED SOURCES OF HAZARD WITH H E A V I E R THAN AIR GASES OR VAPORS IN SUFFICIENTLY VENTILATED OUTDOOR LOCATIONS (1) (2) i ITEM NO. FIG. NO. C-1 C-2 (3) (4) | TYPESOURCE OF HAZARDOR LOCATION PROCESS PLANT (5) (6) (~) (7) . =*. P. SYSTEM PRESSURE OR DENSITY - MODJHIGH ADDITIONAL DANGER ZONES REFERTO FIG.

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