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mixer shower

A vortex mixer, or vortexer, is a simple device used commonly in laboratories to mix small vials of liquid. It consists of an electric motor with the drive shaft oriented vertically and attached to a cupped rubber piece mounted slightly off-center. As the motor runs the rubber piece oscillates rapidly in a circular motion. When a test tube or other appropriate container is pressed into the rubber cup (or touched to its edge) the motion is transmitted to the liquid inside and a vortex is created. Most vortex mixers are designed with 2 or 4-plate formats, have variable speed settings ranging from 100 to 3,200 rpm, and can be set to run continuously, or to run only when downward pressure is applied to the rubber piece.

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  1. D

    Mixer shower feeds?

    Hey, I've just bought one of these:eBay - The UK's Online Marketplace I intend to put into this mains cold and a hot cylinder feed. The Cylinder is going in a couple of weeks to be replaced by a combi hot feed. After reading on here about unbalanced feeds I'm wondering if either or both will...
  2. T

    Mixer shower will not turn off! Water keeps on running no matter what setting!

    Hi I am having a problem with a Mira 415 mixer shower, it will turn on and gets hot (well fairly) but will not turn off at all. I have worked on one of these before and had a problem that it wasnt mixing properly, I stripped it down, re-assembled it, and got it mixing properly and turning off...
  3. S

    Dripping concealed mixer shower

    I've just finished installing this yesterday and when the lever is off the either head (rain shower or riser rail) will drip every 20 secs or so. How do I fix it? The water is only wrm to not hot,the combi is not a very good ,Pro combi 80, it will be getting changed for a Worcester at some...
    • stocksie
    • Thread
    • combi concealed dripping mixer mixer shower pressure shower valve
    • Replies: 19
    • Forum: Plumbing Jobs | The Job-board
  4. J

    Thermostatic Bar Mixer Shower Problem

    Morning all! I have a customer with a thermostatic bar mixer shower, which after about 2 mins of use is then fluctuating temperature wise from hot to cold and back. Would I be right in assuming this is the thermostatic cartridge? James
    • Jimmeh
    • Thread
    • after bar cartridge cold heating hot mixer mixer shower problem shower thermostat thermostatic water
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  5. M

    Mixer shower headache

    Rented property has a bath/shower mixer installed from a gravity fed hot water system and the cold from the mains has been supplied via prv (presumably to try and balance the two supplies). When tenant is using the shower it apparently becomes almost impossible to blend, tenant citing that it...
  6. C

    Sirrus mixer shower new cartridge required or boiler service?

    Hello guys, I have a Sirrus shower which is a single lever thermostatic shower. The water will not mix at all, it is either red hot or completely cold whichever way you turn the lever you get only one or the other. Before I renew the cartridge & thermostat inside should I have the boiler...
    • Connor Williams
    • Thread
    • boiler cartridge mixer mixer shower oil required service should shower temperature thermostatic water
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  7. S

    Gravity mixer shower airlocking

    Hi Folks A friend of mine recently had new bathroom fitted. They have a gravity fed mixer shower but it keeps airlocking and losing all power. The guy that installed it couldn't work it out (not a plumber - general bodg..I mean builder!) so said shower must be faulty. They got MIRA guy in...
  8. E

    Help with mixer shower install

    My plumber is fitting a mixer shower and has supplied it with mains pressure water approx 2.0bar and gravity drop hot water pump assisted to 1.5bars. The problem is when using the shower the hot water pump comes on but cuts out when using the mixer to get lower temp water. Once this happens it...
  9. S

    Gravity mixer shower kepps airlocking

    Hi All Just had a call from friend who has had bathroom and shower fitted recently. It kept airlocking so guy who installed said shower must be faulty, Mira guy inspected and said all fine. Said I'll go and have a look in a week or so (not that local), from what she says the hw feed has taken...
  10. M

    Ideal Standard mixer shower mystery

    Moved into a 10 year old house couple of years ago. Shower has its own feed from cold tank, and from surrey/essex flange for hot supply. Gas central heating conventional boiler. In summer, shower is great. As we move towards winter, and in winter, in order to make the shower a bearable...
  11. GQuigley67

    for sale mira minilite mixer shower

    got a mira minilite for sale bar mixer shower, 110mm centres for pipes. one of the male threads is cross-threaded, my mistake so I had to buy a new one for a quick fix now I'm stuck with a shower I dont want/need. The thread can be repaired, everything else is fine. anyone interested let me...
  12. P

    Mixer shower goes cold!

    Can anybody help! My mixer shower won't get hot, it goes luke warm then cold. i have changed the mixer (bar) itself and it was fine for 1 shower, is there a problem with my boiler??? The bar gets hot but then goes cold but the hotness doesn't come through I really don't have a clue! I have a...
  13. GQuigley67

    chewed male thread on mixer shower

    I have a shower here with thread cross-threaded, my fault...... had to go buy another one but now I'm stuck with a shower I don't want/need. What should I do with it ? cost me £118 so lost all profit on job unless I can return shower or do something with it lol
  14. B

    Mixer Shower

    Hi all Nephew has decided he wants to have a mixer shower now instead of electric, the one he has seen is thermostatic and combi system compatible , my question is would there be sufficiant water pressure for shower from pipework in the comi system on shower info it says minimum 0.1 bar - max...
  15. P

    Mixer shower with low pressure hot and high pressure cold supply - please help

    Hello I am currently getting my bathroom refitted. I want to replace the thermostatic mixer shower above the bath. I got one from Screwfix - Triton Tesla for a good price, but when I read the box it stated that it should not be connected to a gravity fed hot supply and a mains cold supply...
    • payvpac
    • Thread
    • around bathroom cold gravity help high high pressure hot low pressure mixer mixer shower please pressure shower supply trevi
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  16. D

    mixer shower help

    hi just fitted my new bathroom and also fitted a new swirl mixer shower but im having problems with the shower im running it off a combi and carnt control the temp its either red hot or freezing cold i just carnt find a mediumhelp needed asap im gettin stick off the mrs as its the first bit of...
  17. L

    using a mixer shower in conjuction with an electric shower

    I am wondering if anyone here can tell me if a mixer shower can be used in conjunction with a power shower? I currently have an electric shower with a galvanised steel tank.. so it's gravity fed. I orignally was going to get a combi boiler so I bought a themostatic mixer shower and was going to...
  18. J

    Replacing mixer shower

    Currently I have a not-working-properly Mira Combiforce 415 mixer shower. The back-inlet water pipes project 13mm beyond the tiled surface. Each pipe is within a 32mm diameter x 10mm deep recess. The mixer shower unit is connected to the pipes by 1/2" BSP Male compression fittings. Hopefully, I...
    • johnaaronrose
    • Thread
    • connected mixer mixer shower replacing should shower surface tiles
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  19. W

    How problematic is doing a mixer shower swap?

    Or is it as easy as loosen two nuts, remove old shower, re-ptfe protruding threads, put on new nuts and tighten? It can't be that easy can it?
  20. N

    Fitted My first bar mixer shower

    Hello guys, I fitted my first bar mixer shower at home. Dont laugh im an apprentice lol. I needed a shower at home but didnt wanna pay for a sparkey for the power shower so got a bar mixer shower insted and probally was the best option as i got a combi so my mains pressure is good.
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