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Air Receivers and Relief Valves

2011-02-17

As a result of this casualty and other similar incidents, the U. S. Coast Guard strongly recommends that UTV Owner/Operators, vessel engineers, Insurance surveyors and other inspectors ensure that:

? A data plate is attached to the receiver and pressure relief devices. If missing or damaged the UTV representative should provide evidence to prove the components were constructed to an approved standard. Otherwise this equipment should be taken out of service or replaced.

? The data plates associated with the receiver and pressure relief device remain unpainted and legible. Take care to minimize damage to the plates if paint needs to be removed. Pressure relief devices should not be painted as paint can interfere with the lifting of the valve. Those that are painted should be lift tested to ensure proper operation.

? Safety relief valves are not capable of being isolated or their operation prevented by being wired or secured in a position that prevents the valve from opening.

RELIEF VALVES MUST NEVER BE SECURED IN THE CLOSED POSITION

? Each receiver is equipped with a drain valve to remove condensate and all crewmembers making rounds in the machinery space are instructed to drain the condensate as part of their regular machinery space duties,

? All repairs and alterations to air receivers and pressure relief devices are conducted by companies holding the National Board of Boiler and Pressure Vessel

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