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pipework

Within industry, piping is a system of pipes used to convey fluids (liquids and gases) from one location to another. The engineering discipline of piping design studies the efficient transport of fluid.Industrial process piping (and accompanying in-line components) can be manufactured from wood, fiberglass, glass, steel, aluminum, plastic, copper, and concrete. The in-line components, known as fittings, valves, and other devices, typically sense and control the pressure, flow rate and temperature of the transmitted fluid, and usually are included in the field of piping design (or piping engineering), though the sensors and automatic controlling devices may alternatively be treated as part of instrumentation and control design. Piping systems are documented in piping and instrumentation diagrams (P&IDs). If necessary, pipes can be cleaned by the tube cleaning process.
Piping sometimes refers to piping design, the detailed specification of the physical piping layout within a process plant or commercial building. In earlier days, this was sometimes called drafting, technical drawing, engineering drawing, and design, but is today commonly performed by designers that have learned to use automated computer-aided drawing or computer-aided design (CAD) software.
Plumbing is a piping system with which most people are familiar, as it constitutes the form of fluid transportation that is used to provide potable water and fuels to their homes and businesses. Plumbing pipes also remove waste in the form of sewage, and allow venting of sewage gases to the outdoors. Fire sprinkler systems also use piping, and may transport nonpotable or potable water, or other fire-suppression fluids.
Piping also has many other industrial applications, which are crucial for moving raw and semi-processed fluids for refining into more useful products. Some of the more exotic materials used in pipe construction are Inconel, titanium, chrome-moly and various other steel alloys.

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  1. P

    Installing Outside Tap to Existing Pipework

    I have some pipework at the back of my house which I'm told is for an Outside tap (see image). However I'm not sure what fitting is required to install a tap, the pipework looks to narrow for tap fittings available. Any help welcome.
  2. H

    Pressure testing pipework

    Hi all Need to test 1st fix heating and hot, cold pipe work Anyone recommend a good water pressure testing pump At a reasonable price
  3. jaydebruyne

    Finding a blockage in heating pipework

    I did a powerflush a few weeks back and when I was dumping the water the flow dropped immediately. So I rang tech support (Anton) for my pump and he said it's because there's a blockage in the pipework - I tested the pump itself which was fine. It's a flat with ground and first floor. All rads...
  4. C

    Good practice for exterior kitchen-waste pipework

    Hello UK Plumbers I've sketched the current arrangement for handling my kitchen waste water on the attached diagram. The pipes have become brittle with age (>25 years AFAIK), I don't like the discharge end which tends to get blocked with leaves and wets the concrete before it gets to the gully...
  5. G

    Sourcing Gas Leak (Pipework)?

    How long does it take? Is it just a case of how long is a piece of string?
  6. G

    Sourcing Gas Leak (pipework)?

    How long does it take? Is it a case of how long is a piece of string?
  7. R

    22mm bath taps with 15mm pipes

    Hi, I've just picked up some bath taps for my corner bath, and notice the pipe fittings ar for 22mm, however my pipework is 15mm (all my pipework is 15mm as I'm on a combi boiler). Can i just convert the 15mm pipe into 22mm pipe just before it gets to the taps, or should i make the entire...
  8. jaydebruyne

    Pipework puzzle

    At a job to repipe a part 1 pipe system which has been teed from I think from pipework under boiler under floor to feed a flow/return section of the house. My understanding of a 1-pipe system is that the pipework flowed in series.. from the first rad to the last and then returned to the...
  9. O

    Testing for leaks in oil line

    I wonder if someone can reassure me about this... Our domestic oil tank was recently found to be empty many weeks ahead of schedule. There was no sign of theft and our engineer queried a leak in the underground upvc pipe that links the tank to the boiler. He isolated the tank and using a...
  10. jaydebruyne

    Question on gas pressure drop across pipework

    I know it's 1mb drop max from meter to appliance. a) is this with just that one appliance demanding gas?
  11. J

    Upgrading gravity hot water to fully pumped

    I'll need to get a new boiler soon to replace my 20yr old 4 pipe boiler with separate gravity HW and pumped CH open vented system but I foresee a problem with the overflow and vent being on the end of the HW circuit. Boiler is in the garage and has 28mm pipes going up to the airing cupboard on...
  12. R

    Fitting a secondary gas ECV to old pipework

    Hi all, I am a homeowner, please accept my apologies if this forum is trade-only or I am asking a question covered elsewhere (I had a good look first). Basically, British Gas came to service the boiler recently in my flat. The engineer wanted to check the meter but when I told him it was...
  13. G

    Tundish overflowing

    Hello, Hoping for some help! We noticed a couple of weeks ago that there was a leak in the cupboard beneath the boiler. Upon further investigation and a little Googling I can confirm that the 'tundish' is completely full of water which doesn't seem to be draining away, or if it is then only...
  14. M

    Trvs on single pipework ch system - yes or no?

    I have a house where the pipework is all single pipework loop with t's off through the rads and back into the same pipework. The problem is temp control and water flow through the rads. There are some TRVS installed on some of the rads. The problem is the rads arent getting hot enough. The...
  15. K

    Central heating and pipework issus all over newly bought house.

    Hi, I am looking for advice from the skilled and knowledgeable as it seems very hard to pin down a plumber to look at all the issues I have without several call outs and costs. I bought a house about 6 months ago (30year old) and got straight on with some renovations. As part of this process...
  16. G

    Hot water feeding into header tank

    Hello, I have a standard gravity fed heating system in a four bedroom house. A couple of big rads in the extension which are downstairs in what is effectively a spur take quite a while to heat up. They do heat up fully but it takes a while compared to the others. I turn the pump up to position 3...
    • gezmonder
    • Thread
    • feeding header header tank hot hot water overflow pipework system tank water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  17. T

    Problem with pipework for a Mira event power shower

    Hi all, I've just replaced a Mira event that worked fine for 15 years with 'up and over' pipework, which should have been 'down and under'. There's now air in the shower - of course - and I was wondering if there's anything I can fit that will let the air out. I am aware that I should have...
  18. D

    New Radiator and Pipework not heating up

    Hi all, I have just rejoined the forum and would like advice on a problem I have experienced with a kitchen radiator. We originally had two small radiators fed by 8mm micro bore pipe fed from a sub 15mm pipe manifold which in turn connected to 28mm main manifold supply and return manifolds...
  19. T

    Pipework to Boiler Query

    Hello all, I am new to this forum but wondered if anyone could assist with a bit of advice on the plumbing to my Vokera Mynute 20e Boiler The feed and return pipe underneath the Boiler 22mm pipework Is connected together with a short length of 15mm pipe which has a isolation valve fitted into...
  20. T

    Swapping single radiator for double

    I recently swapped a single radiator for a double which is significantly deeper than the original single, but the same length. This means that the pipework no longer lines up as the radiator tail is now at least 30mm further from the wall with the valve staying in the same position. So...
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