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SafetyAugust 2025•9 min read

Safety Equipment Compliance Requirements

Navigating ATEX, SIL, and other certification requirements for industrial safety equipment.

Safety equipment in hazardous environments must meet stringent certification requirements. Understanding ATEX, IECEx, SIL, and other standards is essential for procurement teams sourcing equipment for oil & gas, petrochemical, and other high-risk facilities.

Understanding Hazardous Area Classifications

Before procuring safety equipment, you must understand the hazardous area classification where it will be installed. Equipment must be rated for the specific zone, gas group, and temperature class of its intended location.

Zone 0/1/2: Continuous, frequent, or infrequent presence of explosive gas atmosphere
Gas Groups: IIA (propane), IIB (ethylene), IIC (hydrogen/acetylene)
Temperature Classes: T1 (450°C) through T6 (85°C) maximum surface temperature
Protection Types: Ex d (flameproof), Ex e (increased safety), Ex i (intrinsic safety)

Key Certifications

Ensure equipment carries appropriate certifications for your jurisdiction:

Key Insight

Equipment with IECEx certification is increasingly accepted as equivalent to ATEX, simplifying global procurement for multinational operations.

ATEX: European Union directive for equipment in explosive atmospheres
IECEx: International certification scheme recognized in 50+ countries
UL/FM: North American certifications for hazardous locations
INMETRO: Brazilian certification for hazardous area equipment
SIL: Safety Integrity Level for safety instrumented systems (SIL 1/2/3)

Documentation Requirements

Safety equipment requires comprehensive certification documentation:

EC/EU Declaration of Conformity for ATEX equipment
IECEx Certificate of Conformity and detailed test reports
SIL certificates with proof test intervals and failure rate data
Installation and maintenance instructions per certification requirements
Spare parts lists specifying certified replacement components
Training and competency requirements for maintenance personnel

Conclusion

Safety equipment compliance is non-negotiable in hazardous environments. Procurement teams must verify certifications, understand documentation requirements, and ensure equipment is appropriate for the specific hazardous area classification where it will be installed.

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Safety Equipment Compliance Requirements | Sigma Industrial Equipment