SF₆ Gas Recovery During Maintenance & Decommissioning

During maintenance, overhaul, retrofit, or decommissioning of SF₆-filled equipment, complete and safe removal of SF₆ gas is mandatory. Improper recovery can cause environmental harm, safety risks, and regulatory violations.

EngineerBari™ performs controlled SF₆ gas recovery using certified recovery units, transferring gas from equipment into approved storage cylinders without atmospheric release.

Scope of Service

✅ SF₆ gas recovery from equipment before maintenance work

✅Complete gas evacuation during decommissioning

✅Connection to gas valves with leak-free fittings

✅Controlled gas extraction using recovery machines

✅Moisture-free transfer to certified gas cylinders

✅Monitoring of pressure and recovery completeness

✅Safe isolation of equipment for further work

Applicable Equipment

✅Gas Insulated Switchgear (GIS)

✅ SF₆ Circuit Breakers

✅Gas Insulated Lines (GIL)

✅Busbar & disconnect switch gas compartments

✅Indoor & outdoor HV substations

Typical Use Cases

✅Scheduled preventive maintenance

✅Major overhaul or retrofit projects

✅Internal inspection of gas compartments

✅Replacement or dismantling of equipment

✅Permanent decommissioning of substations

Safety & Environmental Compliance

✅Zero or near-zero SF₆ gas emission

✅ Compliance with IEC 60480 & IEC 62271 standards

✅Environment-friendly gas handling practices

✅Use of calibrated recovery and vacuum equipment

✅Permit-to-work and site safety compliance

Deliverables

✅SF₆ Gas Recovery Service Record

✅Quantity of gas recovered (pressure/weight)

✅ Cylinder ID, labeling & storage status

✅Pre- and post-recovery pressure readings

✅ Job completion confirmation

Key Benefits

✅Prevents greenhouse gas emissions

✅Ensures safe maintenance and dismantling work

✅Protects personnel and equipment

✅Reduces operational and environmental risk

✅Enables reuse or recycling of recovered SF₆ gas

Transportation & Accommodation

For outstation or remote projects, transportation and accommodation shall be arranged by the client or charged separately as per the approved quotation.

Optional Add-On Services

✅SF₆ Gas Purity & Moisture Testing

✅ SF₆ Gas Chamber Vacuum Service

✅ SF₆ Gas Refilling after Maintenance

✅ SF₆ Gas Recycling & Reuse

✅ SF₆ Leakage Detection & Repair

✅ Annual SF₆ Maintenance Contract (AMC)

Why Choose EngineerBari™?

✅ Trained & experienced SF₆ handling engineers

✅Utility-grade procedures & documentation

✅ Modern recovery & vacuum systems

✅ Suitable for EPC, utility & national grid projects

✅ Fast and reliable on-site support

✅ Partial payment opportunity.