OK, so you actually dug up some data. Cutting to the chase, the report says they found the average vapor pressure for their rail shipment samples to be 11.5 psi. That's still pretty high, higher than most gasoline, and I don't think you'd be happy to have 100-car trains of gasoline tankers going by your house every day.
Questions:
Why did the oil in the WV crash have a vapor pressure of 13.9 psi? Was that particular load an aberration? 13.9 psi is way off the chart from the study's samples.
Why did the state of North Dakota find it necessary to set a limit of 13.7 psi on oil shipped by rail? If this study is to be believed, then that requirement is unnecessary.
Why are North Dakota producers installing equipment to reduce vapor pressure, if their oil is already below the 13.7 psi maximum? You know no company is going to spend money to comply with a regulation if they don't have to.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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