ATEX Hazardous Area Classification System v4.2

▣ Hazardous Zone Classification Map PANEL-01 | POLAR-RENDER

▥ Safety Margin vs Regulatory Thresholds PANEL-02 | LINE-CHART

▤ Zone Determination PANEL-03 | DATA

Gas Zone Zone 1

Dust Zone Zone 21

Gas Group IIB

Temperature Class T4 (135°C)

Release Source Grade Continuous

Probability Factor (Pf) 0.042

Effective Ventilation High (HV)

LEL Concentration 18.3%

▤ Equipment Selection (EPL) PANEL-04 | EQUIP

Equipment Group Group II

EPL Category (Gas) Gb (Zone 1)

EPL Category (Dust) Db (Zone 21)

Protection Type Ex db IIB T4 Gb

Certification ATEX / IECEx

IP Rating IP66

Max Surface Temp 128°C

Ignition Risk Index 0.023

▤ Ventilation Analysis PANEL-05 | VENT

Air Change Rate 12.4 AC/h

Ventilation Type Natural + Mechanical

Volume Flow Rate 2,840 m³/h

Dilution Factor 4.7

Clearance Time 18.2 s

Wind Direction Factor 0.82

Background LEL 2.1%

Hazard Distance 3.8 m

▤ Ignition Source Analysis PANEL-06 | IGN

Hot Surface 87°C (ΔT=48°C)

Electrical Spark Contained

Electrostatic Dissipated <0.1μJ

Mechanical Spark None Detected

Stray Current 0.03 A

Adiabatic Compression N/A

Lightning/EM Shielded

Total Ignition Risk LOW (0.007)

▤ Calculation Threads Progress PANEL-07 | RINGS

Zone Calc

Gas Match

Ventilation

Ignition

Thread A

75%

Thread B

60%

Thread C

90%

Thread D

45%

▤ Engineering Data Log PANEL-08 | LOG