How the Belt Furnace Muffle is Tested

1) After the muffle is completed, all openings are gasketed and covered with blind flanges.

2) Air is injected until 3 PSI is attained.

3) All body welds are brushed with soap solutions.

4) No leaks or indications are observed.

5) After soap bubble testing, the pressure is maintained for 14 hours, with no loss.

Furnace Control Panel

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