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Boiler Durability Tests

Boilers, serving as water heaters and storage for domestic hot water, must be hygienic and meet certain standards. Testing the corrosion processes of surfaces in contact with water is crucial.

The most important of these tests include the citric acid resistance test, boiling water, and steam resistance test.

Citric Acid Resistance Test in Boilers

In boiler tests conducted according to European Standards, a 10% citric acid solution is used. The citric acid solution is applied to the enamel surface for fifteen minutes, and the acid resistance is determined based on the deformation caused to the enamel.

The citric acid test for MIT Boilers is performed in accordance with ISO 2722 standards. In MIT Boiler enamel tests, the citric acid solution is applied to the surface for an extended period of 20 minutes. All MIT Boilers are manufactured to achieve the highest level AA class in this test result.

Boiling Water and Steam Resistance Test in Boilers

The test piece is subjected to boiling water and steam test for 48 hours. After this process, the enamel on the test piece diminishes slightly. According to European Standards, the highest acceptable amount is 3.5g/m². For MIT Boiler products, this amount is only 2g/m².

Sheet Quality in Boilers

MIT Boilers utilize suitable Ereğli TRKK 6222 cold-formable low-carbon hot-rolled sheet. This sheet is resistant to aging, prone to welding, capable of deep drawing, and suitable for enamel coating used in single/double layer or single/double firing structures. Additionally, S355J2 (ST 52-3) sheet is used in dip galvanized accumulator tanks.