Thanks for the feedback guys. Following the fitting ratings seem easy enough, as I have found some NPVF fittings that are rated for >1000 psi.
racookpe1978 - this is an existing design. Just an 8 inch nipple, cap, and gauge. As noted I need to upgrade the fittings to a higher rating and then...
I have a simple pressure vessel, and am looking for guidance on calculating the safe working pressure. The vessel consists of a 3/4" schedule 80 red brass pipe with a red brass cap on one end and a mechanical pressure gauge on the other end. Fittings are NPT with Loctite 565 sealant. I plan to...