When to Use a Plastic Flow Meter?

Plastic flow meters, also known as thermoplastic flow meters are used to measure the flow rate of liquids and gases in a variety of applications. They are typically used in industries such as chemical processing, water treatment, food and beverage, and pharmaceuticals.

There are a few key factors to consider when deciding when and where to use plastic flow meters:

1. Compatibility: They are best suited for use with both corrosive and non-corrosive, as well as non-abrasive fluids, as they are made of a variety of plastic materials that are resistant to chemical attack and wear.
2. Caution should be exercised when measuring highly viscous or abrasive fluids, as these may cause wear on the meter’s internal components or damage the meter’s accuracy.
3. Accuracy: Plastic flow meters are generally less accurate than other types of flow meters, such as metal rotameters or Coriolis flow meters. However, they are still suitable for many applications where a high degree of accuracy is not required, such as general process control or flow monitoring.
4. Operating conditions: Depending on the type of material selected these meters are designed to operate over a wide range of temperatures and pressures, making them suitable for use in many different environments. However, they may not be suitable for use in extreme conditions, such as high pressure or temperature applications, as these may cause damage to the meter’s internal components.
   1. Chemical resistance: As mentioned, plastic flow meters are made of polymeric materials that are resistant to many chemicals, making them suitable for use with a wide range of fluids.
   2. Non-contaminating: Plastic flow meters do not leach any contaminants into the fluid being measured, making them suitable for use in applications where contamination must be avoided, such as in the food and beverage industry or in pharmaceutical manufacturing.
   3. Wide range of sizes: Plastic flow meters are available in a wide range of sizes, from small tube-style meters to large in-line meters, making them suitable for use in a variety of different applications.
5. Cost: Plastic flow meters are generally less expensive than other types of flow meters, making them a cost-effective solution for many applications.

In summary, plastic flow meters are best suited for use in non-corrosive, non-abrasive fluid applications where a high degree of accuracy is not required, and the cost is a concern. They are widely used in industries such as chemical processing, water treatment, food and beverage, and pharmaceuticals.

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