There are many parts forming a butterfly valve. They include resilient seats, bodies, packages, rods and actuators. The resilient seat is mounted on the body of the butterfly valve to provide a suitable seal. The packing provides an additional seal, particularly if the Elastoplast seat is damaged.
Butterfly valve configuration is different. There are some manual operations, while others are operated electronically according to the system. They also have different styles. There are those that provide high performance in systems such as large pump lines and front suction ducts.
Butterfly valves can also be used in automotive systems. For example, you will find a butterfly valve in the car carburetor. In this case, the valve is used to control the air flow of the car engine. It can be partially opened and closed to adjust the amount of air passing through.
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