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A Steam Heating Primer

HeatingHelp
HeatingHelp Administrator Posts: 699
edited March 14 in THE MAIN WALL
A Steam Heating Primer

Most folks just follow "what they were taught" without giving much thought to the results. You see most steam systems run at ridiculously high pressures.

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Comments

  • Stuart Rogers
    Stuart Rogers Member Posts: 52

    The fact that low pressure steam moves faster than high pressure steam is really counterintuitive. A leak in a high pressure pipe results in a huge amount of steam escaping in a forceful rush. But of course it does — outside the pipe, it's now at zero psi! The way I think of it is: the only way to increase the pressure of steam is to resist its flow. The greater the pressure, the more resistance there must be. Lower resistance and lower pressure means higher velocity.

    Resident in 25-unit co-op, Toronto, built in 1925. In self-defence,"expert" on our 2-pipe steam system.

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