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What you need to know about gas fitting

September 8, 2021

Mitchel Plumbing Gas

What you need to know about gas fitting


When it comes to gas fitting, there are a few key things that you need to know in order to make the process as smooth as possible. In this article, we will discuss the different types of gas fittings, as well as where you can buy them. We'll also take a look at the adapter and how it can be used to connect different size fittings. Finally, we'll go over the different sizes of gas fittings so that you can be sure to get the right one for your needs.

What do I mean by Gas fitting?

gas fitting refers to the various components used to connect gas lines together. This can include anything from the pipes themselves to the fittings that connect them. The main purpose of gas fittings is to ensure a safe and secure connection between two gas lines.

Gas fitting requires professional installation

While gas fittings are relatively easy to install, it is important to note that they should only be installed by a qualified professional. This is because gas is a very dangerous substance and even a small mistake can result in a gas leak. If you are not qualified to install gas fittings, it is best to hire a professional to do the job for you.

Gas fitting types

There are two main types of gas fittings: natural gas fittings and propane gas fittings.


Natural gas is the most common type of gas used in homes, so chances are you'll need to use this type of fitting. Natural gas is produced by the decomposition of organic matter, such as plants and animals. It is then transported to homes and businesses through a gas pipeline.


In Australia, gas is typically delivered to homes at a pressure of 200 kPa. This gas is then stored in a gas tank, which is usually located outside the home. gas appliances, such as cookers and heaters, are connected to the gas tank via a gas line.


In some parts of the world natural Gas delivered via pipe lines at a pressure of 2200 kPa. gas appliances in these homes are connected to the gas line using high-pressure gas fittings.


Propane gas is often used for outdoor applications, such as grilling or camping. You can access propane gas at most gas stations. Propane gas is produced from the refinement of natural gas and crude oil.


Propane gas appliances are usually portable and do not require a gas line. Instead, they are connected to a gas tank via a gas hose. The size of the gas tank will determine how long the appliance can run for before it needs to be refilled.


You can find propane gas tanks at some service stations or hardware stores such as Bunnings.

Where to buy gas fittings?

You can purchase gas fittings from most hardware stores, such as Bunnings. You can also purchase gas fittings online from a variety of retailers.


When purchasing gas fittings, it is important to ensure that they are compatible with the type of gas you will be using. For example, if you are using natural gas, you will need to purchase natural gas fittings.


It is also important to check the gas pressure rating of the fittings you purchase. This is because gas appliances must be connected to gas lines that can handle the pressure of the gas.


For example, if you have a natural gas appliance with a gas pressure rating of 200 kPa, you will need to purchase gas fittings with a pressure rating of at least 200 kPa.


Most gas fittings will have the gas pressure rating stamped on them. If you are unsure of the gas pressure rating of your fittings, you can ask a staff member at the hardware store or contact the manufacturer.

Natural gas fittings vs propane gas fittings

Let take a look at how these gas fittings differ:


Natural gas is delivered to homes at a pressure of 200 kPa, while propane gas is delivered at a pressure of 2200 kPa.


Natural gas appliances are connected to gas lines, while propane gas appliances are connected to gas tanks.


Natural gas is produced from the decomposition of organic matter, while propane gas is produced from the refinement of natural gas and crude oil.


-Different sizes of gas fittings

There are a variety of gas fitting sizes available, which are determined by the gas pressure rating and the diameter of the gas line.


The most common gas fitting sizes in Australia are:

-1/2 inch gas fittings:

this size is typically used for low-pressure gas appliances, such as cookers and heaters. 1/2 inch gas fittings have a gas pressure rating of 100 kPa. 1/2 inch fittings are used for gas lines with a diameter of 15 mm.


-3/4 inch gas fittings:

this size is typically used for high-pressure gas appliances, such as gas stoves. 3/4 inch gas fittings have a gas pressure rating of 200 kPa. This is suited for usage with natural gas.


-1 inch gas fittings:

this size is typically used for very high-pressure gas appliances, such as gas heaters. 1 inch gas fittings have a gas pressure rating of 350 kPa. This is suited for usage with propane gas.

Gas fitting adapter

gas fitting adapters are used to connect gas lines with different sizes. For example, you may need to use a gas fitting adapter to connect a 3/4 inch gas line to a 1/2 inch gas appliance.


Gas fitting adapters can be purchased from most hardware stores. When purchasing a gas fitting adapter, it is important to check that the gas pressure rating of the adapter is equal to or greater than the gas pressure rating of the gas line.


For example, if you have a 3/4 inch gas line with a gas pressure rating of 200 kPa, you will need to purchase a gas fitting adapter with a gas pressure rating of 200 kPa or greater.

Gas fitting extenders

gas fitting extenders are used to extend the length of a gas line. For example, you may need to use a gas fitting extender to connect a gas line to a gas appliance that is located in a difficult-to-reach area.


Gas fitting extenders can be purchased from most hardware stores. When purchasing a gas fitting extender, it is important to check that the gas pressure rating of the extender is equal to or greater than the gas pressure rating of the gas line.


For example, if you have a 3/4 inch gas line with a gas pressure rating of 200 kPa, you will need to purchase a gas fitting extender with a gas pressure rating of 200 kPa or greater.

Final word

If you're in need of gas fittings in Brisbane, Mitchell Plumbing and Gas have you covered. We stock a wide range of gas fittings in various sizes and pressure ratings to suit your needs. Our team is experienced in all things gas-related and can help you choose the perfect gas fittings for your home or business. Contact us today for more information!





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