Cast iron has been used for many generations and has remained as one of the most popular materials for a range of purposes – including pipe fittings. In today’s guide we shall look in detail at cast iron pipe fittings – including what they’re used for and their advantages and disadvantages.

What they’re used for

There are many purposes for cast iron pipe fittings. They are most commonly used in residential homes for soil piping – the pipes that are used for drainage. Over the years they have been used widely for the transmission of water, gas and sewage.

Cast iron pipe fittings are best suited for use in the toilet, bath tub and water closets. Builders regularly make cast iron pipe fittings their first choice for drainage, waste and ventilation in high-rise buildings as well as for storm drainage in back yards and roofs.

Cast iron pipes are much less commonly used these days than they were in the past. This is because newer, more advanced materials are taking over. Many old homes still use cast iron pipe fittings however, and they do a great job.

Types and Sizes

There are a variety of different types and sizes of cast iron pipe fittings, and you can usually find one to suit whatever requirements you have.

Cast iron pipe fittings are available in most of the usual types of fittings including pipe adaptors, pipe couplings, pipe elbows, pipe unions, pipe reducers and pipe tees. However, the most common cast iron pipe fittings that are used are Y and TY fittings.

Cast iron pipe fittings can be manufactured using one of two methods – vertical casting or centrifugal casting. The latter of which is most commonly used today.

The standard size of cast iron pipes and fittings used for residential piping is 4 inches; however there are numerous other sizes available for different purposes.

Advantages and Disadvantages of Cast Iron Pipe Fittings

There are many reasons why cast iron pipe fittings are still popular today – however there are also disadvantages associated with them.

Cast iron pipe fittings are most commonly used for sewage and waste drainage, therefore it is necessary that they are highly resistant to abrasion. The main advantage of cast iron pipe fittings are that they are indeed highly resistant to abrasion making them the ideal choice for anyone wanting to drain materials such as sand, dishwasher water and garbage disposal.

Another benefit is that they are highly durable and practically indestructible. They do not react with most chemicals and won’t melt or burn even in extreme conditions. They have a long lifespan which minimizes the need for replacements and repairs.

Cast iron pipe fittings are very well constructed and as such have fantastic sound-proofing qualities when compared to other materials. There is minimal noise and vibration between the fittings and the pipes which can be a great benefit – as no one likes noisy pipes!

Their versatility is another great advantage of choosing cast iron pipe fittings. There is a wide range of joining methods available for the fittings and that also allows for simple and efficient installation in all situations.

The final advantage to choosing cast iron pipe fittings is that they are cheap to install in comparison to other materials. They are cheaper to buy than many other pipe fittings and they are also one of the easiest types to use and install with minimal fuss.

Where can you find them?

Cast iron pipe fittings are available to buy from most good-sized hardware stores. If you want a larger selection however, you may want to head to a piping specialist in your area who will usually have a wider range of sizes and types.

You can also use the internet to buy your cast iron pipe fittings. The great thing about the internet is that you are given the option to shop in a global marketplace. So if the cast iron pipe fitting you are after is not available in your local store then chances are you will be able to find it on the internet – and usually at a lower price!