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Does a heated pressure washer need a ASME certification if it operates under 100 PSI?

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Rich Clos

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I have read a good portion of the ASME BPVC IV and various other regulations and I still can't decipher if my machine is subject to ASME code certifications requirements.
It is a electric pump that delivers cold water(variable .125-1.5 GPM) to a double helical coil heated by a Oil Burner that heats water to 270°F-300° connected to a manifold that splits the heated water/steam to multiple heads where hoses are connected for use in removing vinyl decals from semi trailers.
Similar to a heated pressure washer except;
It is an "open gun system" with operating pressure of 10-50PSI;
a.)that could potentially become closed if all valves are closed in which there is a pressure relief valve that releases pressure above 60 PSI.
b.)or Burner fuel is shut off if Electronic Thermostat reaches set temperature[320°F]
c.)or if previous measures fail, Electronic Pump controller faults to OVERLOAD/OFF if System/Vessel exceeds pump motor resistance (internal 180-200psi)

I am still a student and not versed in all the codes or exceptions but continue to search. I would like to sell these in the future. Any suggestions at what criteria it may be subject to or exceptions it would be accorded?
 
ASME code requirements are linked to state and local laws for compliance. For fun, take a trip to a local law school and see if there is a Professor/students dealing with that aspect of the law.
 
3DDDave; What do you mean exactly? I wouldn't go to a local law school "for fun". Nor did I post a question out of just curiosity. I was asking a question to learn or find direction to additional learning. ?
 
Too bad for you then. If you cannot enjoy the work and offer anything to a law student that would be different than their typical fare then it's going to be a miserable experience for you.

I was answering the question the way it really works in the real world. If you have a legal question you go to a legal expert, not to another engineer. So that's what I suggested. Take your student legal question to a legal student.

Or hire a real lawyer.

I no longer care.
 
Engineers, not lawyers, are the experts in engineering codes.
 
thank you for your suggestion 3DDave.
 
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