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A bit about vacuum pumps

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HeatingHelp
HeatingHelp Administrator Posts: 637
edited May 2016 in THE MAIN WALL

imageA bit about vacuum pumps

He wanted to take advantage of the 1,700:1 expansion ratio between water and steam. The trick was to make all the pipe joints tight so that air couldn’t get back into the system once the steam had shoved the air out, and to use special air vents that had check valves at the outlets.

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  • robglo
    robglo Member Posts: 1
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    very good
  • jumper
    jumper Member Posts: 2,248
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    Before heating season begins,it's a good idea to pump down as low as you can.Air is never good for steam heating.

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