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coupling

A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects. Couplings do not normally allow disconnection of shafts during operation, however there are torque-limiting couplings which can slip or disconnect when some torque limit is exceeded. Selection, installation and maintenance of couplings can lead to reduced maintenance time and maintenance cost.

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  1. V

    AUS pricing costs / labor time to replace flexible coupling

    Good morning, I thought I would try here first before going elsewhere. in short I had a septic system flexible coupling needing replacing. Backed up waste water. It was less than a meter down and took plumbers less than 1/2 to diagnose I was charged $1560 originally Spoke to plumber to contest...
  2. K

    Is this coupling joint good? Will it hold?

    I had a plumber connect slightly wider radiator with plastic pipes. I wanted to bend the pipe but he said this pipe wont bend. So he just connected it . But i can see there is a lot of pressure on the coupling does this need to be redone? Can you bend this pipe?
  3. kchia123

    Can you use round flexi clay 2 pvc coupling on octagonal clay pipe?

    Can i use the typical clay to pvc coupling which is round on this octagonal clay pipe?
  4. J

    18mm compression slip coupling?

    Hi Does anyone know where I can get one of these? Ta
  5. T

    Lead to Plastic bath waste

    I'm trying to fit a new bath in my old house. The waste outlet is a 1 3/4" Lead pipe. Is there a simple way for me a as DIYer to connect lead pipe to the standard 1 1/2" plastic waste trap from the bath ?
  6. T

    How do I remove plastic compression coupling to access external waste pipe?

    I would like to remove compression coupling to gain access to external waste pipe. I can remove both ends by twisting but the middle section does not move away. Do I need to apply more force? My waste pipe is blocked so need access to try wet vac from outside as from toilet has not cleared the...
  7. W

    How do you make a solvent slip coupling again?

    Knock out the middle stop somehow? What's best method? Thanks
  8. S

    Toilet coupling guidance rge plastic screws

    Could you guys part some of your wisdom for me, my daughter has moved into a house and the toilet inlet float is just catching the side of the cistern and sometimes does not fill. The inlet is the type where the float runs up and down the inlet mechanism. If I need to uncouple the cistern from...
  9. G

    Soil Pipe Slip Coupling

    May I ask the illustrious members of this forum - I need to replace a vertical section of grey 110mm soil pipe serving a bathroom/toilet. I intend to use slip couplers. Is it likely that the slip couplers will creep over a period of time? Thanks, G
  10. C

    connecting to outside main

    got to connect up to old steel pipe, it looks like 3/4 pipe to me. what is the best option to connect to? copper? plastic? any help would be great its being buried too
  11. I

    Installing plumbing fittings so they are removable on unmovable copper pipe

    Is it possible to install compression valves onto existing non-pullable copper pipe WHILE designing-in a means of being able to replace the whole valves should they fail? Hello, I have existing 22mm copper pipe that needs a small section cutout to install a compression isolation valve...
  12. P

    3/4 Brass coupling with nylon thread, why?

    Hi all, I recently got with a pressurised water heater connections consisting of 3/4 brass nipples and brass couplings, the coupling has rubber seals and nylon internal thread, why would this be the case and can I not just directly couple to the water heater without the coupling supplied using...
  13. J

    Cast iron downpipe

    Hi Folks Any advice much appreciated. I need to join sections of Cast iron downpipe together. I'm not keen to get involved with molten lead. I've been told that PC4 af is great but i can't find anywhere that sells it. Friends (apparently in the know) have said use hemp and sealent -...
  14. S

    Which flush mechanism will fit my toilet?

    Hi, can anyone advise me please if a standard new type of flush mechanism will fit this toilet? Thanks James
  15. I

    Steel / aluminium soil stack

    I'm refurbishing a bathroom and need to move the toilet from being up against an outside wall to an inside wall. The new location is next to the soil stack which runs from the ground floor to the top floor. It's a 3 storey house and the bathroom is on the middle floor. The stack runs inside the...
  16. F

    Detached Exit Pipe - Need new part?

    Hi, hope someone can help! So the main pipe which runs down the side of our building taking water from our flat and the flat below's bathroom seems to have come loose from where it meets the ground floor flat. Photo hopefully shows this. All bathroom water is going onto the roof of the garden...
  17. P

    Never seen these before...

    New to me. These are ugly and reassuringly expensive. Conex telescopic pipe repair. CONEX DOUBLE TELESCOPIC DAMAGED PIPE REPAIR COUPLING 15MM 22MM & 28MM | eBay
  18. Stanios

    Leak on 3" solvent weld coupling - repairable?

    Hello , need advice about a leak on an internal! 3" rain downpipe that decided to leak on glued coupling. I dont encounter 3" so never have any, would have to buy a whole £20 length just to use 10" of it on the repair.. So heres what im wondering.. Its vertical fall and top seal is leaking on...
  19. 1

    8mm to 10mm compression coupling

    Hi, What are peoples opinions about an 8mm-10mm reducer compression fitting. I am about to have the plasterers in and wanted to get rid of the visibly annoying 8mm pipes - the plan was to compression fit beneath the floor boards to 10mm speedfit and then up through the back of the rads and on to...
  20. jaydebruyne

    Nightmare Job

    I've been given a bit a nightmare job for tomorrow.. Some pipework underneath wooden flooring is leaking. The pipework has been exposed and leak sourced. But the pipe needing repairing (15mm) is underneath other pipework (22mm). Basically, my questions are these: What is the best way of...
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