gas pipe

Pipeline transport is the long-distance transportation of a liquid or gas through a system of pipes—a pipeline—typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries of the world. The United States had 65%, Russia had 8%, and Canada had 3%, thus 75% of all pipeline were in these three countries.
Pipeline and Gas Journal's worldwide survey figures indicate that 118,623 miles (190,905 km) of pipelines are planned and under construction. Of these, 88,976 miles (143,193 km) represent projects in the planning and design phase; 29,647 miles (47,712 km) reflect pipelines in various stages of construction. Liquids and gases are transported in pipelines, and any chemically stable substance can be sent through a pipeline. Pipelines exist for the transport of crude and refined petroleum, fuels – such as oil, natural gas and biofuels – and other fluids including sewage, slurry, water, beer, hot water or steam for shorter distances. Pipelines are useful for transporting water for drinking or irrigation over long distances when it needs to move over hills, or where canals or channels are poor choices due to considerations of evaporation, pollution, or environmental impact. Oil pipelines are made from steel or plastic tubes which are usually buried. The oil is moved through the pipelines by pump stations along the pipeline. Natural gas (and similar gaseous fuels) are pressurized into liquids known as Natural Gas Liquids (NGLs). Natural gas pipelines are constructed of carbon steel. Hydrogen pipeline transport is the transportation of hydrogen through a pipe. Pipelines are one of the safest ways of transporting materials as compared to road or rail, and hence in war, pipelines are often the target of military attacks.

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  1. I

    Old gas pipe - what material is this?

    We have an old gas pipe in the understairs cupboard. The previous occupants had the gas meter moved, but this old pipe remained. This pipe goes behind the electrical CU which I'm due to have replaced soon. We are looking to cut the old pipe out, but trying to working out what material it's...
  2. mattgriff88

    Old gas pipe? Can it be removed?

    Hi, I have recently moved in to a house and in one of the kitchen units where I want to put a intergrated freezer there is a small pipe coming out of the wall. Assuming it's a old gas pipe for the cooker that's been capped as the kitchen no longer requires it. Can this be removed by a...
  3. P

    Soldering veiga fittings on gas

    Is there any clause that says I cant remove the rubber rind on a viega fitting and solder it on my domestic gas installation? Thanks
  4. U

    Pros and cons of running boiler gas supply pipe indoors Vs outdoors

    Hi all, Does anyone have any feedback as to which is best. Running the pipe from the outdoor gas meter to a new boiler on an outside wall or run the pipe under the floor (suspended timber) which is our existing setup and the new boiler is being sited in same location as old. I ask just in...
  5. WalkingRiskAssessment

    Is a gas pipe next to an electric cooker safe?

    Hi, my mother had an electric cooker installed yesterday. The guy who fitted it said it shouldn't be close to the gas pipe but it is. The red arrow shows the gas pipes, the blue arrows are the electric supply for the cooker and the purple is the back of the cooker. I know nothing of plumbing...
  6. R

    Filling in hole and covering gas pipe

    After some advice, had a gas fire removed and now left with the pipe capped and a hole which houses the pipe which was behind the fireplace. How is best to cover this up and fill it please?
  7. M

    Length of gas pipe from meter to boiler

    I have a domestic gas meter located at one side of my building and my boiler/cooker (only 2 gas devices) on the other side of the building. There is currently a 28mm gas pipe from meter to the boiler which is approx 25m and a further 5m to the gas cooker. My gas engineer is saying that the...
  8. gb17342

    Identifying pipe is this a gas pipe?

    Hi all, can anyone hell me identify this pipe is it for gas? Property is all electric but the flat below and flats next door have gas boilers. The property is one of 4 flats converted from a cottage. Any help much appreciated thanks, I'll be getting an engineer to install a boiler if it is gas...
  9. H

    Cutting gas pipe under floor board

    Evening all, So I had an eventful day yesterday, was asked to replace some floor boards as they had rotten out, set my depth on my circular to 20mm just about 1mm more than needed, on my first cut I managed to nick two heating pipes and the gas pipe. After isolating the gas rather quick and...
  10. P

    Gas pipe under loft insulation.

    The copper gas pipe to my boiler in the loft runs between joists and sits on the plasterboard. I understand that it should not be covered by insulation. Why? Is it satisfactory to create a dome over the pipe with upside down guttering and then put fibreglass insulation over the top please?
  11. M

    How to replace gas pipe clips?

    I have a copper 22mm gas pipe about 10m long fitted to the outside wall by a Gas engineer using plastic clips with spacers. The clips have become brittle with age and are breaking up. The pipe passes through the brickwork and has no flex in it. Any ideas on how I can replace these clips as the...
  12. S

    Covered in confusion - mains gas pipe diameter

    Hi Having lived in a new build for 14 years, on trying to replace our two boilers I’ve been told the installation is dangerous (and has always been so and one boiler has been shut down. The diameter of the pipe from the mains (on one side of the house, which runs under the floor to the boilers...
  13. J

    Gas fire with external gas pipe

    Hi all, My customer has a gas fire with an external gas pipe (runs across the front of the fire - see pic). He'd like a new gas fire. No chance of re-running the pipe through the chimney opening. Any ideas of a gas fire that would suit? I've looked at a few, but would like the gas connections...
  14. Seanlude

    Gas Pipe in PVC pipe

    I am new to the forum. Trying to seek some advice on gas pipe being laid in concrete foundation. If I put the copper gas pipe in a PVC pipe and then laid in the concrete foundation...can this method work.
  15. L

    Gas pipe under/in solid floor

    Hi. I have been on the phone to the Gas Safe Register, who have pointed me a bit in the right direction looking for certain information. I am in a situation where I have had a water pipe burst under a solid concrete and tile floor. The gas and water pipes were laid right next to each other in...
  16. J

    Gas pipe oversizing. 22mm vs 32mm

    Just to be really clear I will not be doing any of the work mentioned below. This will all be carried out by Gas Safe Engineers. I'm looking to get a Gas Safe engineer to move a boiler from the main house to the garage. As part of this process I will also be getting the main gas supply and...
  17. K

    Gas pipe supply size question for new boiler

    So we are looking at a new vaillant ecofit pure 418 regular boiler but have a question about the gas pipe size requirements.. At the gas meter the pipe size is 15mm where it then runs under the kitchen floor before exiting at the the other side where the existing boiler is located (old baxi)...
  18. F

    Gas Pipe Renewal (Lead)-Inlet Entry & Meter Location query

    Hi folks, I'm a bit concerned with what the Gas Transporter is proposing regarding a replacement pipe install to the properties in the close I live on. The demographic is predominantly elderly, but it seems to be the contractors have gone a bit kamikaze & seem obsessed with finishing early...
  19. P

    URGENT Gas pipe question

    Hi there I'm new here and struggling with a renovation so really hoping one of you who deals with gas pipes and heating can help. I am having my gas meter moved and at the same time SGN are renewing the pipe from the new connection to the road. They will insert a polypipe into the original...
  20. J

    Gas pipe size

    I have a 22mm gas pipe going from my meter in the garage to my boiler in the kitchen. It has a 15mm t off the 22mm for a gas cooker. There is 8.5m of 22mm plus 6 90 degree bends, easily accessible in the garage, and 5m in the kitchen that will be difficult to access. If i change the 22mm in the...
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