Relief valve testing
Relief valve testing
(OP)
How often should pressure relief valves be tested ?
Such as one on a Bio reactor
Such as one on a Bio reactor
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RE: Relief valve testing
Boilers <400 psi, every 6 months
Boilers >400 psi, every 36 months
High Temp Water Boilers, 12 months
Low Pressure Heating Boilers (15 psi) quarterly manual check (lift lever) & annual test.
Water Heaters, 2 months
Pressure Vessels & Piping, depends on application:
Steam, 12 months
Air/Dry, Clean Gas, 36 months
Propane & Refrigerant, 60 months
All others, per Inspection History
Note: ASME Sec. VII, Recommended Care of Power Boilers has 12 months on Boiler Proper and 6 months to 24 months on aux PRVs. ASME Sec I, Part PVG requires Organic Vapor Generators every 12 months.
JAlton
J. Alton Cox
President
DeLuca Test Equipment
www.delucatest,com