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Swing joints. How do they work?
I'm sorry if this is a dumb question but I'm trying to understand swing joints better.
Does the piping actually turn inside the fittings or is it to align piping in a way that it can flex and the actual threading inside the fitting doesn't move?
I'm having a hard time understanding if the piping actually turns inside the fitting how doesn't this create leaks?
Single pipe quasi-vapor system.
Typical operating pressure 0.15 - 0.43 oz measured with Magnehelic. High pressure limit set to 4.6oz. Weil-McLain EG-40 with barometric damper connected to 392sqft of radiation via two 2" risers into a 3" drop header and 2" equalizer. ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
Steam system pictures updated 1/25/15.https://picasaweb.google.com/thetube0a3/Boiler?authkey=Gv1sRgCImUxIqv9436MQ#