KETTLE SAFETY INSPECTION CHECKLIST
Regular inspection and maintenance of units is essential to obtain trouble free and safe operation of equipment. Inspections must include testing of the pressure relief valve and checks of the operating system to insure that it has not been altered.
No safety features designed into the equipment should ever be tampered with. Tampering with or bypassing controls is a very dangerous practice and unfortunately we have seen several cases of this. Following is a short list of the most common and the most dangerous alterations performed on kettles.
SAFETY VALVE:
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This illustrations show the correct configuration of a factory installed Safety Valves.
Any modifications are unacceptable.
Incorrect Installations
1 Safety valve has plug threaded into the discharge opening preventing any steam from escaping.
2 Safety valve’s tube diameter has been reduced.
3 Safety valve is sticking, frozen shut or plugged. To test, refer to PRESSURE RELIEF VALVE PERIODIC TESTING.
4 Safety valve is plumbed to a drain or water line creating back pressure and reducing flow.
1
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Plug
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2 
Tube diameter reduced
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Frozen,
3 stuck, or plugged
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Plumbed to drain or water line
4