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Hello I have got methanol in known volume of pipework downstream of an injection pump and up to closed isolation valve at a given pressure. I would like to calculate what would the resulting pressure be resulting from thermal expansion from ambient temperature increase over prolonged period of...

We did re-check the boundaries against the standard and they do comply. As I said, the standard is very optimistic. Actual consequence modelling does prove that the gas can get to the camera locations.

Thanks for your views gentlemen, I am just trying to be as conservative as possible because if you stick to API RP 505 stipulations the rule says that you don't need to do it as it is purely outside any Zone. However once you start doing actual consequence modelling of gas release from a...

I have tried to search other Q&A Forums for answer but the uniqueness of this issue is that we cannot shut down this cameras in case of shutdown caused by gas leak being detected by plant Fire & gas equipment. All of them are outside hazardous area, some are more close than others, som eare...

As per existing design, lighting & small power and telecom installation along perimeter fence of our facility are non-EX-certified. Perimeter cameras need to be on all the time and no isolation of power supplies to the cameras would be acceptable by plant PSD system upon gas detection from...