Remember too, there is a difference in schedule 80 fittings vs schedule 40 fittings, and a difference in pressure ratings between the smaller size pipes and the larger sized pipes. In other words a 1/4 sch 40 fitting might very well handle 2000 psi but a 3/4 sch 40 might only be rated at 500 psi, and it will take a sch 80, or better, in the 3/4 to hande the higher pressure. The same holds true in actual hydraulic fittings and line also. Where a 1/4 two wire hose might be good for 2500 psi, the same 2 wire hose in a 3/4 size isn't going to be rated as high and will commonly require a 4 wire hose for the same rating/burst pressure as the smaller hose.
Just remember I am talking in the most general terms here, and using round figures, with no actual basis other than using them as an example. In other words the sizes and pressures mean absolutely nothing beyond expressing the fact that using standard pipe fittings in any hydraulic system without knowing the pressures on the system, the pressure ratings of the fittings, the system temp, and any other pertinent information is nothing but an accident waiting to happen.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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