Stelliting of seat in safety valves for steam service
Stelliting of seat in safety valves for steam service
(OP)
I work for a safety valve manufacturer and in our technical offer we forbid customers to use stellited seats for steam services;We cite wire draw effect as reason but i cannot find any hard data or technical reason to back it up.So can anyone please explain the advantages and disadvantages of stelliting for steam service and references?





RE: Stelliting of seat in safety valves for steam service
Per ISO, only the term Safety Valve is used for all overpressure eventualities regardless of design.