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steam

Steam is water in the gas phase. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Steam that is saturated or superheated is invisible; however, "steam" often refers to wet steam, the visible mist or aerosol of water droplets formed as water vapour condenses.
Water increases in volume by 1,700 times at standard temperature and pressure; this change in volume can be converted into mechanical work by steam engines such as reciprocating piston type engines and steam turbines, which are a sub-group of steam engines. Piston type steam engines played a central role in the Industrial Revolution and modern steam turbines are used to generate more than 80% of the world's electricity. If liquid water comes in contact with a very hot surface or depressurizes quickly below its vapor pressure, it can create a steam explosion.

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  1. L

    Does anyone have experience with steam shower cabins?

    I bought a Vidalux steam shower cabin but my plumber wouldn't put it in because he said that it would leak. The company has really good ratings and it's going to be difficult to return. Does anyone have any experiences with these and would you agree with my plumber?
  2. G

    Steam Heater Question

    Good morning. I’m not a plumber but a homeowner trying to figure out an issue with an old steam unit. Basically, we bought an old house a little over a year ago. It has a complicated heating system that includes a steam unit that heats 8 radiators throughout the house (4 on the first floor, 4...
  3. I

    Steam generator outlet to steam room - Suitable pipe and fittings

    What are the best pipes and fittings to carry steam from a 2.8kW steam generator to a steam cabin for a short pipe distance of 400mm? Thinking on the technical, the pipework would have a low internal resistance (smooth inside) and full bore so as not to reduce the steam out. I noticed the...
  4. D

    Steam box in shower gushing water

    We have a monstrosity of a shower which has all these unnecessary features, like jets and steam. The steamer hasn't worked in years, but recently the little steam box at the bottom of the shower has started gushing water when the power is turned on. I don't need the steam to work, but I would...
  5. A

    Steam condensate and Legionella...

    Can anyone advise on the chances of Legionella existing in the condensate pools from a Victorian steam engine, please? The pool temperatures range from cold to fresh steam condensate and they are very large, dirty and open to the atmosphere...
  6. M

    Nearly new Keston combi boiler flue coughing/ejecting hot water & steam

    Hi everyone I would be grateful for advice about possible causes of excessive quantities of water being ejected from my flue. When the boiler switches on in the morning, the flue exit from my apartment block generates a lot of steam and then coughs up glass-amounts of water, falling on the...
  7. EcoSol

    Help needed with valve name.

    Hey guys. I’m designing a new type of renewable energy heating system. I have no plumbing technical knowledge whatsoever so I don’t even know the terms to begin searching for the names of components I need on google- I just know what I need them to do, and that doesn’t bring up search results...
  8. Green Genie

    Steam shower/bath cabins

    Hi, I'm new to the site, and looking for a little advice. My better half has her heart set on one of the above, but I am unsure. Research I've done has shown mixed results. Seems to be a fad that people grow out of. Bathroom is not big enough to accommodate both a walk in shower and bath...
  9. M

    Steam from condensate drain

    Hi I am having my kitchen revamped and have removed the sink and waste pipes. However the condensate drain pipe was connected to the waste pipe so I therfore temporarily dropped the condensate drain into a bucket. I have since turned on the boiler so my wife could take a shower and noticed...
  10. J

    Steam generator connections

    Guys. I would be REALLY grateful if anyone can work this out for me. I am putting in a second hand bath/shower/ steam cabinet thing. I am fine with all of it except this. The steam generator has 3 connections. 1, water in. 2, steam out. 3, water drain. I have atteched a photo. You will see...
  11. W

    Can anyone think of a use of a steam cleaner in plumbing?

    Perhaps before resealing a bath or shower? Making a new bathroom install sparkle before completion? Basically I think they are neat and want an excuse to buy one beyond mere gadget lust.
  12. R

    USA Steam shower inquiry

    Hi everyone. I'm considering adding a steam shower cabin in our bath. have any suggestions on how to proceed? not very familiar with this. I was thinking of buying a unit and installing it myself. Is that doable. I've searched the internet and some sites say there are units that are easy to install
  13. M

    Helo T Series Steam Generator 5kW

    Gotta install one of these soon......anybody done one?????
  14. J

    vent pipe shooting steam into header tank in loft

    we have a worcester bosch greenstar 24ri condensing boiler when the boiler fires up its ok but when it switches off during its cycle it vents steam and causes huge vibration in header tank in loft,could this be a faulty thermostat on boiler,i should add that i have turned the temperature control...
  15. A

    Roller Support for steam piping

    Does any one know a section in a code or a standard that indicates that it is acceptable to use roller supports for steam piping? Thanks in advance
  16. M

    Drainage for a commercial steam cooker

    Drainage for a commercial steam cooker? Ive got to do the plumbing connections for a commercial steam oven / cooker. The water supply to it is simple enough, but the drainage is a little tricky. Its got a 50mm waste connection on the back of it, would these normally run into a gully? Im...
  17. MarkAqua

    Steam Boiler plant room

    Far from finished - in progress and plenty to do
  18. B

    Regulation and Certificates

    I am hoping someone can help me understand the building regulations and required certificates for replacing a en-suite bathroom. I am a DIYer and not professional but have 25 years experience in plumbing and electrics of my own house and selected family and friends. I am preparing my house to...
  19. turnpin

    SimonG full steam ahead with 11000 posts

    Good work Simon well respected forum member always worth a read......regards Turnpin:punk:
  20. T

    New boiler installation problem

    Hi, I wonder if someone here might be able to help me. I am a punter, not an engineer - be gentle. I had a new Worcester Bosch 18i system installed in my house in Jan this year which has a few problems which i’ve outlined below. Boiler loses pressure and has to be re-pressurised...
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