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Advantages of metal hard seal ball valves


You may be wondering, “What are metal hard seal ball valves?” These handy pieces of equipment are designed to provide excellent flow control while also being highly durable. They come in a variety of sizes and materials, including stainless steel and aluminum. This article will explain why metal hard seal ball valves are the best option for your next project.

1.  Body material aluminum, stainless steel

In any project, you’ll want to consider the conditions you’re working with and choose a valve body material that can withstand them. For example, if your project will be exposed to extreme temperatures, choose an aluminum body over stainless steel. Aluminum is also lighter than stainless steel and therefore easier to install in some applications—such as when you need to lift the valve up through tight spaces when installing it on a pipeline or other piping system.

Stainless steel is often used in low-temperature environments because it doesn’t corrode easily and can withstand repeated cleaning without degrading its structure; however, it isn’t suitable for extremely hot environments because it’s susceptible to corrosion.

2. Seat material aluminum, stainless steel

Sometimes you may need a metal hard seal ball valve with a stainless steel seat.

Stainless steel seats are more resistant to wear than aluminum. This makes them better for applications where the seat will be subjected to heavy use or abrasions, such as on valves used in food processing plants or in industrial processes that involve chemicals and abrasives. Stainless steel seats also tend to last longer than aluminum seats in high-temperature applications, such as those using hot water or steam.

However, stainless steel seats are more expensive than aluminum ones due to their higher material cost and manufacturing complexity (since they’re made from different materials).

metal hard seal ball valves

3. Ball material aluminum, stainless steel

Metal hard seal ball valves are made from a variety of corrosion-resistant materials, such as aluminum or stainless steel. These materials are durable, strong, lightweight, and easy to machine. They also have excellent wear resistance properties that make them ideal for use in harsh environments where you need to minimize maintenance costs over the life of a product.

4. Working pressure 1000 PSI

The maximum working pressure for this valve is 1000 PSI. This is the highest pressure at which a material can be used and still have it perform its intended function. For example, if you have a plastic pipe that needs to withstand at least 500 PSI of pressure, then it will not work if you exceed 500 PSI because there will be leaks in your system.

The other thing that we need to look at is what temperature our valve has to withstand before it fails. The maximum temperature for this valve is 250 degrees Celsius (482 F).

We also need to consider how much power plants use when they are operating normally; they operate around 100 tons per hour; residential applications use less than 10 tons per hour so this would only work in larger situations where there are many people using hot water or steam every day throughout their homes during time periods when no one else uses theirs.

5. The flow rate depends on pipe size and pressure differential

The flow rate depends on pipe size and pressure differential. The basic principle is that the flow rate is proportional to the pipe diameter and inversely proportional to the pressure differential across the valve.

The maximum operating temperature of a metal hard seal ball valve depends on its design, material used, and service conditions. For example, if you have a gate valve with no internals which has been exposed to high temperatures for some time will experience higher amounts of wear and tear than one that hasn’t been exposed to such conditions in those same timespans (to continue our example here).

6. Operating temperature -20~200℃

The max operating temperature of a metal hard seal ball valve is based on the material of the ball, seat, and body. For example, if you were to use a cast bronze body with an SS316L stem, you would get an operating temperature range of -20~180℃ as long as you have a proper connection end on your pipe.

The strength from one connection point to another is determined by the pressure difference and size of your pipe. So for example, if we have 100psi flowing through our pipe then we need to make sure that our connection ends are rated for that amount of pressure otherwise those parts will fail to result in leaks or even worse damage such as explosions due to overheating!


Metal hard seal ball valves are a good option when you need reliable flow control. They are made from high-quality materials and are durable, so they will last for years to come. The valves can be installed in many different types of equipment, including oil refineries, chemical plants, and power plants. They’re also cost-effective and easy to maintain.


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