Category: What are metal expansion joints used for

  • What Are Metal Bellows?

    What Are Metal Bellows?

    What can bellows be made of? If you answered “leather” or “wood” you’re thinking of the wrong type of bellows. Today, the answer to the question “what can bellows be made of” is: nearly any metal. Modern metal bellows are used for very different applications than the old standard bellows used to heat fires. Like…