Pressure vessels

What CFR references pressure vessels
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Terms in this set (11)
What CFR references pressure vessels
46CFR54
How do you determine pressure vessel classification
46CFR54.01-5(b) table
What class pressure vessels That is less than 5 ft³ and do not contain hazardous materials must be stamped with either ASME U or UM symbol
Classes II, & III
What are the types of pressure vessels that are exempted from shop inspection and plan reviews as per 46 CFR 54.01-15
Vessels containing water at a pressure not greater than 100 PSIG and at a temperature not above 200ﾟF, Hot water supply storage tanks heated by steam or other indirect means if less then 58KW less than 120 gallons, Operating pressure not greater than 15PSI with no limitation on size, Condensers and heat exchangers regardless of size NGT 100 PSIG, 200 F
What reference describes marking & stamping
46CFR54.10-20
As per 46CFR54.15-5 protective devices, all pressure vessels Shall be protected by pressure relieving devices that will prevent the pressure from rising more than_______ above MAWP?
10%
Pressure relieving devices should be selected on the basis of their?
Intended service
As per46.CFR54.15-10 Safety and relief valves For steam or air service shall be provided with a substantial lifting device so that the this can be lifted from its seat when the pressure in a vessel is ?
75% of that which the valve is set to blow
The Spring in the relief valve in service for pressures up to and including 250 pounds PSI shall not be reset for any pressure more than?
10% above or 10% below that for which the relief valve is marked
For higher pressures the Spring shall not be reset for any pressures more than?
5% above or 5% below that for which the relief valve is marked