Air Make Up Units for Transformer Tank Finishing
Transformer tank finishing often involves large fabricated shells, covers and weldments that need steady airflow through prep, coating and drying areas. Double D Mechanical installs, relocates and services air make up units that support paint booths, powder areas, blast rooms and exhaust systems used around transformer tank production.
Discuss your installationBalancing Booth Air and Plant Pressure
A make up air unit must replace the air removed by booth exhaust while keeping the finishing area usable for painters, material handlers and nearby production. For transformer tanks, that means considering wide booth openings, tall workpieces, overhead handling and doors that may be opened during staging.
- Review exhaust volume from booths, blast rooms and ovens before sizing replacement air paths
- Coordinate discharge locations so air enters the work zone without disturbing coating application
- Plan intake placement away from exhaust outlets, dust sources and loading activity
Heat, Controls and Utility Connections
Transformer tank coating areas may need tempered air to keep coating conditions stable and operators comfortable. Installation work can include setting the unit, connecting gas or electrical service, routing controls, tying into interlocks and confirming that the unit responds with the exhaust equipment.
Clearance Around Large Fabrications
Air equipment must fit around crane bays, tank staging, forklifts, carts and maintenance lanes. Double D Mechanical looks at roof or wall penetrations, duct routing, access panels, filter doors and service space so the installation does not create a bottleneck in the finishing flow.
Before the Site Visit
A useful site review starts with current booth drawings, exhaust fan data, utility locations and the largest transformer tank dimensions expected in the area.
- Have photos of the booth exterior, roof area and mechanical room ready if available
- Identify any production windows when equipment can be shut down for inspection
- Note coating issues such as overspray drift, odor migration, door pull or temperature swings
Frequently asked questions
Why does a transformer tank paint booth need dedicated make up air?
Large exhaust volumes can pull air from the rest of the plant, which may affect doors, dust movement, coating quality and comfort. A make up air unit replaces that exhausted air in a controlled way.
Can an existing unit be reused after a booth relocation?
Sometimes. The unit condition, capacity, duct layout, controls and new exhaust demand all need to be reviewed before it is moved or reconnected.
What utilities should be checked before installation?
Gas, electrical service, control wiring, roof or wall access, condensate needs and structural support should be identified early so the mechanical work can be sequenced with other trades.
How does make up air affect coating results on tank covers and shells?
Poor air balance can create turbulence, cold spots or pressure changes that interfere with spray patterns and drying conditions. Proper placement and control help keep airflow predictable around large surfaces.