Join Date: Oct 2010
Location: SW Saskatchewan
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Quoted: 293 Post(s)
Well I seldom have anything over 3/4 inch and most components on the farm are 1/2 or less (size 6 to 8) where the point is mute. For vibration and situations where things can loosen up, I would still stick with a JIC. Most times pipe does just fine as well and it is rated much lower. I have had ORFS fail 5 times in the last several years and I have not seen a JIC face seal fail once. I had a JIC fail on a hoist but it was on the crimp and swivel side and due to being overtorqued! I am speaking from experience and I know I had overtightened it. (speaking from experience! However, an ORFS can fail at that very same spot next to the crimp as it has nothing to do with the sealing surface and more to do with how hard the operator pulled the wrench. They may have more meat in their "swivel" and can't comment on that. I do know that you have to be careful with JIC when tightening any connection that has the built in swivel. That is the failure prone spot! They actually don't call for a lot of torque on their connections either!
I think I have 1 1/2" (size 24) ORFS fittings on my NH SP365 suspension system and I have "torqued" the ORFS fitting to a point where it is now making a metal to metal seal! I have lost the oil in the system several times because the "low torque" connections can't take the movement and loosened up. I got frustrated and tighten them as hard as I can so they won't come loose! I am speaking from negative experiences as well!
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Last edited by RunninREDharD; 01-27-2019 at 02:29 AM.