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2.
Ensure that all the air in the boiler is vented to avoid any bursting of the body.
3.
Maintain pressure for at least 10 minutes. Any drop in pressure indicates a leakage in the boiler body.
After the tightness test, drain the boiler and remove all the parts used for the test.
18
P 520
25/01/2012 - 300016864-001-C
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