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flux

Flux describes any effect that appears to pass or travel (whether it actually moves or not) through a surface or substance. Flux is a concept in applied mathematics and vector calculus which has many applications to physics. For transport phenomena, flux is a vector quantity, describing the magnitude and direction of the flow of a substance or property. In vector calculus flux is a scalar quantity, defined as the surface integral of the perpendicular component of a vector field over a surface.

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  1. G

    Do i try and resolder or replace?

    Hello there, I have just fitted a swirl bar shower for a friend of mine yesterday, and today he noticed in the airing cupboard a slight weep on the yorkshire fitting connected to the cold. Do I try and resolder the 90º yorkshire fitting (not to sure if it will take) or is it best to cut pipe and...
    • gavla
    • Thread
    • bar cold copper fitting flux gas hot jobs leak leaking metal parts pipe pipes pressure problem replace shower steam tee test waste water work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  2. Dan

    THE Quit Smoking Thread

    Right lads and ladies? We've had a guy quit smoking on tilersforums and he made it look easy. He's done 9 days now and has his sense of humour back already (he'll chuckle if he reads that). TilersForums.co.uk | Tile Forums | Tiling Forum So we've made a thread on tilersforums. We're...
    • Dan
    • Thread
    • cold electronic flux free head hose lead paint power pressure problem public screen single tee test thread tiling tools van website work
    • Replies: 68
    • Forum: Plumbing Jobs | The Job-board
  3. W

    Salutations and question about X400...

    Greetings one and all! Due to the downturn the en-suite is finally getting a re-vamp. As part of this a chrome towel radiator has been plumbed into a combi bloiler closed system. Just adding another towel radiator to the bathroom. The instructions with the radiator have words to the...
    • wibble
    • Thread
    • about bathroom central central heating combi diy drain flush flux heating installation question radiator radiators refill remove residue safe sealed smell system towel rail water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  4. I

    Magnabooster 2 vs Magnaclean vs Fernox TF1?

    Hi, From other places i've read, the Magnabooster 2 seems to be the favourite - is that true? Which would people recommend? Thanks, Ian
    • ichilton
    • Thread
    • bits boiler brass drain fernox filter fitting flushing flux job leak magna magnaclean maintain merchant pipes price problem remove system tf1 valve
    • Replies: 38
    • Forum: Plumbing Jobs | The Job-board
  5. E

    how do you seal old cast iron pipe

    was at a call out today, a leak had brought cieling down in the flat below. after a bit of investigating and lifting lino,adhesive tiles, laminate flooring and floorboards I found leak was coming from an old lead waste that had been flattened and was connected to 3 inch cast iron. the basin...
    • ewan
    • Thread
    • basin bath blockage cast iron cleaning difficult flux iron job lead leak old pipe problem seal tiles van wall waste water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  6. A

    initial flush after work to remove flux etc

    Hi Guys, I have just finished doing some major mods to an existing system which is mostly copper for the htg and a couple of lengths of Hep20 on the DHW F&R. I have used mostly normal copper connections, led free solder, fernox flux, and some Tectite (discrete heat). Need to flush the...
    • aviator99_uk
    • Thread
    • after commissioning connections copper dhw drain filter flush flushing flux free power remove residue sludge system work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  7. R

    Flux?

    Hi - I know flux does 2 things - helps solder flow and cleans the pipe - Am i right in saying when you heat a pipe up without any flux on you can sort of see a thin layer on the pipe ie when you move the blow torch up and down. Am i right in guessing this is an oxide layer - would this be...
  8. A

    What make of solder & flux do you use ?

    Hi, What make of solder & flux do professionals use on copper ? Peter
    • Artisan
    • Thread
    • cleaning copper error flow flux free gas green heating install lead leak merchant power solder van yellow
    • Replies: 24
    • Forum: Plumbing Jobs | The Job-board
  9. R

    soldered joints, "tining" end.

    Hi, just a question on soldering joints, was talking to a bricklayer today, who can plumb, (plumbed all his house, water + centeral heating number of years back).. anyway he said when he used "end feed" he used to "tin" the end of the pipe befour inserting into the fitting then continue to...
    • rabu
    • Thread
    • apprentice banging boilers cleaning compare fitting flux inside job jobs joints leak pan pipe plumber plumbing showers soldered system waste water work
    • Replies: 37
    • Forum: Plumbing Jobs | The Job-board
  10. I

    Problem in soldering drain cock on a tee

    HI I used a very small gas torch to soldering 2 of 22mm copper water pipes on copper tee (22mmX22mmX15mm) successfuly few days ago. Now I need soldering a copper drain cock on 15mm end of the tee. For some reason I unable finish the job. I think is because the gas torch is too small. So...
    • iwico
    • Thread
    • 22mm copper damage drain flame flux gas hot inside job no water overheat parts pipe pipes problem rubber shape soldering system tee temperature washer water water pipes
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  11. S

    smells lol

    well, here goes more daft q's, is the gas from an open sewer pipe within a bathroom just unpleasant or is it methane and bad for you and ?? possibly combustable ?? also, similar q for fumes off powerflow flux, bad for you of just smelly?? see, been plumbing 12 yrs and ... still learning
  12. P

    solder and flux -the good, bad and ugly

    Obviously, not all solders and fluxes are all the same, some must be better than others, and some not quite as good. so please, would those of you with more experience share with the rest of us their good and bad, solder and flux experiences. What brands you like to use and what you don't like...
    • plumdum
    • Thread
    • copper difficult fitting flux free gas green hose hot job newbie plumber problem rubber solder yellow
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  13. B

    crazy plumbing question????

    is it possible foe a 1" copper pipe run or any other pipe run for that matter to hold a 2 bar air test and then a few days later when heating operating a leak shows up in a concrete floor.is this possible ,have u ever seen something similar to happen ???it was found on further investigation...
    • buffy27
    • Thread
    • 28mm air bar boiler buy ceiling central heating system concrete copper expansion flux hose hot hot water installation leak pipe pipes plumber plumbing pump question temperature wall water work
    • Replies: 14
    • Forum: Plumbing Jobs | The Job-board
  14. N

    soldering flux

    does anyone know if soldering flux can go off, or not usable if it is a few years old ? many thanks
  15. J

    do i use pre commissioning cleaner?

    thanks to info received on previous threads im having repiping done and new rads to bad system design. if keeping old boiler do i still need to use a pre commissioning cleaner before adding a protector or will just a system refill/drain cold and hot do with a protector added. thanks for any...
    • john1
    • Thread
    • boiler cleaner cold commissioning drain flush flux hot pipework refill system
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  16. W

    Fryolux solder paint?

    Does anyone no is this different to using a flux?
  17. A

    the skills centre

    Considering doin a course with the skills centre, just wondered if anyone has done a course here. Any advice would be greatly appreciated. Ash.
  18. S

    flux and copper

    OK does anyone know how long it takes copper to corrode to leaking point if you don't wipe the joint off properly ??? We all know you don't want your pipes turning snotty green when you've gone !!!
  19. S

    OLCI Home-Study Courses

    Has anyone tried the OLCI Home-Study courses? OLCI also offer practical training sessions as well, so I would complement the theory with the practical sessions. I am looking at doing a course and ideally would have gone for one of the 8/10 week courses but due to work constraints, I am unlikely...
    • Singularity
    • Thread
    • 6129 bathroom copper courses flux gas hose installation insurance leeds olci pipe pipes plumbers plumbing pricing sales study tax tiling training traps valves viy waste waste pipe water work
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
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