The Basics of Ball Valve Seat Materials

A ball valve seat is a machined surface perpendicular to the ball bore and in contact with the ball when the valve is in the closed position. The seat face must be parallel to the pipe axis, perpendicular to the line of action of the static spring force, and free from burrs. 

Although ball valves are essential in controlling fluid flow and pressure within pipelines, their safety and effectiveness depend on the seat’s material. Here, we will be reviewing the most common ball valve seat materials.

What is a Ball Valve?

A ball valve is a type of valve used to regulate the flow of fluid substances in a pipeline. Ball valves consist of a cylindrical chamber with a hole in the centre fitted with a spherical ball. When the valve is open, the ball allows the substance to flow through the hole; when it is closed, the ball blocks the hole and prevents it from flowing. Ball valves are often used to halt or start the flow of liquid substances, making them ideal for use in pipelines and other similar systems.

Recommended Materials for Ball Valve Seats

Here is some ball valve seat material; check them out below:

Acetal Ball Valve Seats

An acetal ball valve seat is a type of valve that uses a ball within the valve’s body to control flow. The ball is typically made from brass, stainless steel, or plastic and can be moved in either direction to stop or start the flow of liquid through the valve. Acetal ball valves are durable and have a long life span, making them popular for many industrial applications.

PEEK Ball Valve Seats

A PEEK ball valve seat is a valve that uses a rotary motion to open and close the valve. The ball is fitted into a seat, which allows the fluid to flow in one direction. When the ball rotates 90 degrees, the ports on the side of the ball are in line with the ports on the seat. This stops or starts the fluid flow. When the ball is open, fluid can flow through the valve. When the ball is closed, fluid cannot flow through the valve. There are two types of peek ball valves – single-seated and double-seated.

PTFE Ball Valve Seats

PTFE seat ball valve is a great choice for high-temperature applications. They are made of PTFE, a fluoropolymer that can withstand temperatures up to 500 degrees Fahrenheit. PTFE is also chemically inert, meaning that it does not react with any of the chemicals it comes into contact with. This makes it an ideal material for valve seats, which can be exposed to various chemicals and substances.

TFM Ball Valve Seats

TFM ball valve seats are a type of ball valve that uses a floating seal to create a tight seal. This design allows the valve to maintain a seal even when significant wear on the seats. The TFM ball valve seats are also designed to be easy to maintain and repair. These valve seats are often used in small installation processes such as manufacturing of baby stroller oem.

UHMW-PE Ball Valve Seat

UHMW-PE Ball Valve Seat is a self-lubricating, wear-resistant polymer that has been used in ball valve seats for many years. UHMW-PE is an excellent material for this application because of its low coefficient of friction and high resistance to wear. It also has good chemical resistance and low moisture absorption. UHMW-PE ball valve seats are often used in applications where severe wear and tear is expected, such as in the mining industry.

How To Choose a Ball Valve?

When it comes time to select a ball valve, there are a few factors to consider, and the first is the type of fluid passing through the valve. Ball valves are available in two main types: general purpose and stainless steel. The second factor to consider is the size of the valve. Ball valves are available in various sizes, and the size you need will depend on the diameter of the pipe to which the valve will be attached.

The third factor is the pressure rating of the valve. The pressure rating of a ball valve is the maximum pressure that the valve can withstand. The pressure rating should be checked when choosing a ball valve to ensure that the valve can withstand the pressure of the fluid passing through it.

The last factor is the material of the valve. There are different materials that ball valves can be made of, and each has its benefits and drawbacks. The three most common materials for ball valves are brass, bronze, and steel. Brass is a soft metal that is easy to work with and is corrosion-resistant. 

It is also relatively expensive. Bronze is a strong metal that is resistant to corrosion. Brass valves are often used in home decorations also, if you are looking for decoration with led lights istrip deas, consider buying it.


This article looked at the different materials that can be used for ball valve seatings. By understanding the different options, you can choose the material that is best suited for your application.

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