Pressure safety relief valves. The kind of thing you stick on a pressurized system and you set the valve to pop at a certain pressure, which pressure should be less than the pressure it takes to make the whole system come apart at the seams. So instead, the valve pops and relieves the pressure and your system *doesn't* come apart at the seams and you don't spend a whole lot of money replacing the whole system and the building around it and paying for the medical bills of the people who got injured when it blew.
Not very glamorous things, safety valves, but very necessary.
Dirty how? The machining operations for the parts spit out bits of metal, yes, and they have oil and grease and all, and some of the machinists smoke so the air is pretty dirty. But when the parts are finished and assembled and tested, the valves aren't dirty. Can't be, in fact, given the precision of the surfaces on some of them. Now shipping can be dirty--lots of little pieces of newsprint everywhere, and you should try getting *that* up your nose or in your lungs. On second thought, you shouldn't. Ow.
Yes, I meant naughty, and it had to do with the pressure building up until things spewed out and exploded and... you know I can find something dirty about just about anything, right?
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[1] in the best sense
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And didn't you deal with a BJ Enterprises or some such recently? Exactly what sort of valves do you sell, anyway?
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Not very glamorous things, safety valves, but very necessary.
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Or do you mean naughty? How so?
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