What kind of gas line can you bury?

Asked By: Dioscoro Delgado | Last Updated: 9th February, 2020
Category: business and finance construction industry
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The HOME-FLEX Underground Yellow Poly Gas Pipe is the easiest and safest way to install underground gas. It is easy to use and cuts with standard hand tools.

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Subsequently, one may also ask, what type of gas line can be buried?

Polyethylene gas piping systems are specifically engineered and certified for the underground environment.

One may also ask, do gas lines need to be buried? The inadvertent movement of the gas service line can cause leaks to form at the connections on either end of the line. For these simple reasons, the gas line needs to be buried at a safe and required depth. Propane gas lines running along the top of the ground (pictured here) constitute illegal installations.

Similarly, you may ask, can gas pipe be run underground?

HOME-FLEX Underground gas pipe and fittings are for use with natural gas and LP (propane) gas. This poly gas pipe must be installed outdoors and underground only. The plastic pipe may never be used above ground, in a building or under a building.

How deep should you bury a gas line?

Working around buried facilities Main lines are generally found at least 24 inches deep, while service lines are gener- ally found at least 18 inches deep. Keep in mind: existing grades can change and the current depth of an electric or natural gas line may be different than when originally installed.

36 Related Question Answers Found

What type of pipe is used for gas?

Piping materials
Steel, copper, brass: The most common gas piping is black steel. Galvanized steel, copper, brass or CSST (Corrugated Stainless Steel Tubing) also can be used in some areas, but some utilities specifically prohibit the use of copper. In other areas, the use of copper is widespread.

What are buried gas lines made of?

2 Answers. In my admittedly limited experience working with plumbers, natural gas pipes are typically made from galvanized steel for interior work, or from black steel pipe for underground. Last-leg fittings and tubes which connect the stub-outs to various appliances are sometimes made from copper and brass.

Why is black pipe used for gas lines?

Black pipes are also called steel pipes and are used to carry water and gas from their sources to the end users. It is the pipe that is used by businesses and homes to convey their supply of natural or propane gas. It is also used for fire sprinkler systems because of its strong resistance to heat.

What is the yellow gas line called?

The gas piping is known as corrugated stainless steel tubing, or “yellow CSST.” CSST is a flexible, stainless steel pipe used to supply natural gas and propane in residential, commercial and industrial structures.

Can flexible gas line be buried?

in an exposed condition, the WARDFLEX must be protected inside a conduit or installed in a location which will not subject it to mechanical damage. WARDFLEX shall not be buried directly in the ground or directly embedded in concrete (e.g. patio slabs, foundations or walk ways).

Can you use PEX for natural gas?

Yes, natural gas smells like rotten eggs or garlic, which is the added scent. Around here, Pex is used for underground gas piping of both natural gas and propane. It's yellow polyethylene similar to plumbing pex but not as thick walled usually.

How do you protect underground gas pipes?

Gas Pipe Protection from Corrosion
  1. Protect metallic gas pipe in an approved manner if exposed to corrosion.
  2. Use factory-applied protective coatings on metallic gas piping and fittings.
  3. Use insulating couplings or fittings when joining dissimilar metals underground.

How much does it cost to run a gas line outside?

The average cost to run a gas line is $355 to $743, whereas complex jobs are $1,000 and up. New gas line installation costs $12 to $25 per linear foot, including labor, materials, piping, and permits. Costs depend on the distance from the gas supply, complexity, and type of pipe used.

How deep should a gas pipe be?


A gas main should normally be laid with a minimum depth of cover of 750 mm in a road or verge and 600 mm in a footpath. A gas service pipe should normally be laid with a minimum depth of cover of 375 mm in private ground and 450 mm in footpaths and highways.

Can you use plastic pipe for gas?

Polyethylene (PE) gas piping is the most widely used plastic piping material for the distribution of natural gas. PE has a well-documented inertness to both the external soil environment and to natural gas.

Can you bury CSST gas pipe?

Can Pro-Flex CSST and Flak Jacket Arc-Resistant CSST be buried? Flexible gas piping systems [Pro-Flex CSST and Flak Jacket Arc Resistant CSST] may be used underground when routed in a water-tight, non-metallic conduit – no Pro-Flex fittings are allowed in the conduit.

How far can you run a propane line from the tank?

500-gallon propane tanks
The minimum distance from any source of ignition is 10 feet. The minimum distance from a property line is 10 feet.

Can I run electrical and gas in the same trench?

Natural gas and electric are run in the same trench all the time by utilities, and in some cases there isn't even any significant separation.

Can water and gas be in same trench?


You can run the water in the gas trench or the the electrical trench. Just can't run gas and electrical together. Ask your local plumbing inspector, these codes are strict and can very from place to place.

Can PEX be used for propane?

For propane, you can use Type L copper with plastic sheath to protect from contact with lime in cement. Type L can also be direct buried or penetrate through walls, ceilings and floors. No refridgeration tubing can be buried, but it can be used for LP supply where accessible only.

What can I use for propane gas line?

Propane gas lines are manufactured using a wide variety of piping raw materials such as copper and plastic. Interior gas lines can be installed in homes and businesses which utilize durable, long-lasting piping materials.