PAF-0060-CleanSpace-EX-Intrinsically-Safe-Approvals-Explained

2. IECE x APPROVALS (INTERNATIONAL INTRINSICALLY SAFE REQUIREMENTS) Ex ia I Ma Ex – Explosion Proof Certification ia – Ignition Protection Level: Intrinsic Safety, Very High level of protection. Suitable for use in Zones 0, 1, & 2. I – Gas Subdivision Group: Represented by Methane Gas. Ma – Equipment Protection Level: Very High Level of Protection against methane & coal dust in underground mines. Ex ib IIB T4 Gb Ex – Explosion Proof Certification ib – Ignition Protection Level: Intrinsic Safety, High level of protection. Suitable for use in Zones 1 & 2. IIB – Gas Subdivision Group: Represented by Ethylene. Includes less ignitable groups IIA (Propane) and I (Methane). T4 – Temperature Class: Max Surface Temperature of 135 ̊C. Gb – Equipment Protection Level: High, Suitable for use in Zones 1 & 2 in aboveground explosive environments. Reference Standard Description IECEx Standards IEC 60079-0:2017 General Requirements IECEx Standards IEC 60079-11:2011 Equipment Protection by Intrinsic Safety (i) IECEx Quality Assurance IEC 80079-34:2018 Application of Quality Management Systems for Ex Product Manufacture Cleanspace Technology Pty Ltd ABN 24 146 453 554 T: +61 2 8436 4000 U5, 39 Herbert Street St. Leonards NSW 2065 Australia sales@cleanspacetechnology.com www.cleanspacetechnology.com NE002530 SUMMARY: Suitable for use in underground mining applications Zones 0, 1 & 2 with presence of methane gas & coal dust that requires a very high level of equipment protection and very high level of ignition protection. SUMMARY: Suitable for use in above ground applications Zones 1 & 2 with gases up to Ethylene that require a high level of equipment protection and a high level of ignition protection against gas, vapor and mist. Not suitable for use in Zone 0. This information is a guide only and is not intended to be comprehensive. We recommend a safety manager or qualified technical engineer is consulted. ATEX/IECEx Definitions Equipment Group (ATEX Only) I Underground mining operations Equipment Protection Level Ma Very High against Methane & Coal Dust II Operations other than underground mines Mb High against Methane & Coal Dust Ga Very High against Gas, Mist & Vapor Equipment Category M1 Two Faults Gb High against Gas, Mist & Vapor M2 Severe Normal Operation Gc Normal against Gas, Mist & Vapor 1 Two Faults 2 One Fault Area Classification Category 1 Zone 0 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is present continuously or for long periods or frequently. 3 Normal Operation Explosive Atmosphere G Gas, Vapor, Mist D Dust Explosion Protection (Ex) ia Intrinsic Safety - Very High Ignition Protection Category 2 Zone 1 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is likely to occur in normal operation occasionally. ib Intrinsic Safety - High Ignition Protection Gas Subgroup I Methane-Least easily ignited IIA Propane-Less easily ignited IIB Ethylene-More easily ignited Category 3 Zone 2 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is not likely to occur in normal operation but, if it does occur, will persist for a short period only. IIC Hydrogen/Acetylene-Most easily ignited Temperature Class (Max Surface Temp) T3 200 ̊C T4 135 ̊C T5 100 ̊C

1. CLEANSPACE EX PAPR INTRINSIC APPROVALS PAF-0060 ATEX APPROVALS (REQUIRED FOR EU COUNTRIES) I M1 Ex ia I Ma I – Equipment Group: Suitable for use in underground mines. M1 – Equipment Category: Mines involving methane gas. Ex ia – Ignition Protection Level: Intrinsic Safety, Very High level of protection. Suitable for use in Zones 0, 1, & 2. I – Gas Subdivision Group: Represented by Methane Gas. Ma – Equipment Protection Level: Very High Level of Protection against methane & coal dust in underground mines. II 2 G Ex ib IIB T4 Gb II – Equipment Group: Suitable for use in aboveground explosive atmospheres. 2G – Equipment Category: Aboveground explosive environments involving Gas, Vapor, Mist. Ex ib – Ignition Protection Level: Intrinsic Safety, High level of protection. Suitable for use in Zones 1 & 2. IIB – Gas Subdivision Group: Represented by Ethylene. Includes less ignitable groups IIA (Propane) and I (Methane). T4 – Temperature Class: Max Surface Temperature of 135 ̊C. Gb – Equipment Protection Level: High, Suitable for use in Zones 1 & 2 in aboveground explosive environments. Reference Standard Description ATEX / EN EX Standards EN 60079-0:2018 General Requirements ATEX / EN EX Standards EN 60079-11:2012 Equipment Protection by Intrinsic Safety (i) ATEX Quality Assurance Annex IV, Directive 2014/34/EU Conformity to Type Based on Quality Assurance of the Production Process ATEX/IECEx Definitions Equipment Group (ATEX Only) I Underground mining operations Equipment Protection Level Ma Very High against Methane & Coal Dust II Operations other than underground mines Mb High against Methane & Coal Dust Ga Very High against Gas, Mist & Vapor Equipment Category M1 Two Faults Gb High against Gas, Mist & Vapor M2 Severe Normal Operation Gc Normal against Gas, Mist & Vapor 1 Two Faults 2 One Fault Area Classification Category 1 Zone 0 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is present continuously or for long periods or frequently. 3 Normal Operation Explosive Atmosphere G Gas, Vapor, Mist D Dust Explosion Protection (Ex) ia Intrinsic Safety - Very High Ignition Protection Category 2 Zone 1 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is likely to occur in normal operation occasionally. ib Intrinsic Safety - High Ignition Protection Gas Subgroup I Methane-Least easily ignited IIA Propane-Less easily ignited IIB Ethylene-More easily ignited Category 3 Zone 2 – A place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is not likely to occur in normal operation but, if it does occur, will persist for a short period only. IIC Hydrogen/Acetylene-Most easily ignited Temperature Class (Max Surface Temp) T3 200 ̊C T4 135 ̊C T5 100 ̊C SUMMARY: Suitable for use in underground mining applications Zones 0, 1 & 2 with presence of methane gas & coal dust that requires a very high level of equipment protection and very high level of ignition protection. SUMMARY: Suitable for use in aboveground applications Zones 1 & 2 with gases up to Ethylene that require a high level of equipment protection and a high level of ignition protection against gas, vapor and mist. Not suitable for use in Zone 0. WWW.CLEANSPACETECHNOLOGY.COM sales@cleanspacetechnology.com