What is the device inside the choke that restricts flow called?

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Multiple Choice

What is the device inside the choke that restricts flow called?

Explanation:
Inside a choke, the flow restriction is created by the bean—the flow bean. This plug-shaped element sits in the choke body and narrows the bore to set the desired flow rate and pressure drop. The stem moves the bean to open or close the choke, while the valve seat is the fixed surface the bean seals against when closed. A disk is associated with other valve types, not the internal restricting component in a choke. So the device inside the choke that restricts flow is the bean.

Inside a choke, the flow restriction is created by the bean—the flow bean. This plug-shaped element sits in the choke body and narrows the bore to set the desired flow rate and pressure drop. The stem moves the bean to open or close the choke, while the valve seat is the fixed surface the bean seals against when closed. A disk is associated with other valve types, not the internal restricting component in a choke. So the device inside the choke that restricts flow is the bean.

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