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Technical Discussions
Ovidiu TOMA
Ovidiu TOMA
02:14 Jan-29-2007
RT of a valve body

Is it feasible (possible) to examine by RT (gamma ray) the body of a PCV (Pressure Control Valve) to point out the condition of its internals, in the following conditions:
- PCV diameter: 2"
- wall thickness : 20mm
-PCV is in operation and the body valve temperature is 185 degree Celsius?
Is there radiographics films that can be used in this conditions (185 degree Celsius)? If not, are there compensatory measures to carry out the purpose of the examination?
Thank you!


    
 
 
Dent McIntyre
Consultant, NDE Manager NDELevel III/3
NDT Consultant, Canada, Joined Nov 1998, 248

Dent McIntyre

Consultant, NDE Manager NDELevel III/3
NDT Consultant,
Canada,
Joined Nov 1998
248
08:03 Feb-01-2007
Re: RT of a valve body
Insulate your cassette.
Use CR with image plates to reduce exposure time. Should get a good shot with Ir 192

----------- Start Original Message -----------
: Is it feasible (possible) to examine by RT (gamma ray) the body of a PCV (Pressure Control Valve) to point out the condition of its internals, in the following conditions:
: - PCV diameter: 2"
: - wall thickness : 20mm
: -PCV is in operation and the body valve temperature is 185 degree Celsius?
: Is there radiographics films that can be used in this conditions (185 degree Celsius)? If not, are there compensatory measures to carry out the purpose of the examination?
: Thank you!
------------ End Original Message ------------




    
 
 

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