TinnerFlow™Field Mods, Fittings, Offsets & Transitions
Transitions, reducers, offsets, elbows, taps, branch fittings, patch plates, notches, wrong-hand fittings, and reroutes.
Field Mods, Fittings, Offsets & Transitions questions
How do I safely drill out spot welds to modify a factory fitting?2nd Year · Stop / VerifyHow do I correctly rivet a patch plate over an accidental hole in high-pressure duct?2nd Year · Check firstHow do I seal a duct penetration going through a non-rated CMU wall?2nd Year · Check firstWhat is "oil-canning," and how do I cross-brake duct to prevent it?2nd Year · Check firstWhy did my 45-degree offset travel piece fall short?2nd Year · Standard CorrectionWhy is the wide side of a 45-degree duct elbow buckling?3rd Year · Check firstCan you spin a flat-oval 45-degree elbow if the bend axis is wrong?3rd Year · Check firstWhy can a back-to-back 45-degree S-offset cause air separation?3rd Year · Check firstCan you flip a wrong-hand 45-degree fitting instead of remaking it?3rd Year · Check first