MAINTENANCE RECOMMENDATIONS IN HAZARDOUS AREAS
Integrity of IP equipment
- Use of gasket is permitted if certified as part of the equipment
- No sealing of flange faces (this could affect the ability of the enclosure to withstand the maximum explosion pressure)
- Application of non-setting grease or anti-corrosive agent is permissible
- Non-hardening tape can be used in II A gas groups, II B tape is to be avoided and no use of tape in II C gas groups
Insulation integrity to be periodically tested and maintained
Maintenance personnel
- Inspection, Maintenance, testing, replacement and repair in HAs shall be carried out by trained personnel only
- Refresher training for them is essential