what is bevel? why bevel required in orifice plate?
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Answer / mohammed abdul rahman
Orifice plates which are used in flow measurement are mostly concentric "square-edge" type. The bore of the orifice is not constant when one moves from the upstream side to the downstream side along the cross section. The bore size is constant for a few mm only and then expands till it reaches the downstream face. This inclined cut is called the bevel in an orifice.
The main reason to have a bevel in the orifice is to avoid turbulence thereby providing more accuracy to the measurement. Restriction Orifice plates are not beveled since their intent is to reduce the pressure only.
Is This Answer Correct ? | 27 Yes | 3 No |
Answer / salis
If the orifice plate is relatively thick (1/8 or an inch or more), it may be necessary to bevel the
downstream side of the hole to minimize its contact with the fluid stream.
Is This Answer Correct ? | 5 Yes | 1 No |
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