Exhaust Expansion Joints: Types, Uses & Benefits
Hot exhaust systems rarely stay still. As temperatures rise and fall, metal pipes expand, contract, vibrate, and shift. Without room for that movement, even a well-designed system can develop stress at welds, flanges, and connected equipment. That is where an Exhaust Expansion Joints Manufacturer can make a practical difference. What Are Exhaust Expansion Joints? An exhaust expansion joint is a flexible connection installed between sections of piping or ductwork. Its main job is simple: absorb movement that rigid metal sections cannot comfortably handle. In exhaust applications, that movement is often caused by temperature changes, vibration, pressure fluctuations, equipment movement, or slight misalignment. The U.S. Environmental Protection Agency explains that expansion joints are particularly useful in longer metal duct runs because they allow ductwork to expand and contract in response to thermal stresses. The EPA also describes metal bellows expansion joints as flexible ...