Posted by BarnyardEngineering on March 27, 2023 at 07:25:10 from (161.69.57.47):
I assume my problem is because the seal of an NPT swivel connection depends on the machine fit between the chamfer in the female fitting and the "cone" in the male fitting.
I've got four NPT swivel elbows and two NPT straight swivels on my joystick valve and they ALL leak. No matter how tight I tighten them. They are TIGHT, no wiggle or swivel whatsoever, but they still leak.
Took them apart, can't see anything wrong, no burrs or anything like that. Tried teflon tape on the threads even though it's not leaking around the threads. Obviously that didn't work.
Before I go and spend another two hundred dollars on JIC adapters, are there any tricks to getting these to seal?
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