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 - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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