What are the applications of fill valve and needle valve?

Fill valve and needle valve are two types of valves used in different applications.

A fill valve is a type of valve that is used to control the flow of liquid or gas into a tank or container. These valves are commonly used in plumbing and irrigation systems, as well as in industrial applications like chemical processing and petroleum refining.

Fill valves are typically designed to regulate the flow of liquid or gas into a tank or container, ensuring that the level of the liquid or gas remains at a desired level. They may also include features like float switches or pressure sensors that can automatically adjust the flow of liquid or gas based on the level in the tank.

A needle valve, on the other hand, is a type of valve that is used to control the flow of liquid or gas through a narrow opening or passage. These valves are commonly used in precision applications where a high degree of control over the flow of fluid is required, such as in laboratory settings or in medical equipment.

Needle valves are typically designed with a long, tapered needle that can be adjusted to regulate the flow of fluid through a small opening. The needle may be operated manually or with a motorized actuator, and can be adjusted to provide precise control over the flow rate.

Overall, fill valves and needle valves are two types of valves used in different applications, with fill valves being used to regulate the flow of liquid or gas into a tank or container, and needle valves being used to provide precise control over the flow of fluid through a narrow opening or passage.