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Sight Flow Indicator : |
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Full View Type |
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Full View Sight Flow Indicators are assembled with tubular Borosilicate glass. These indicators |
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are simple in construction and used for checking flow from any direction where various values |
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or pump might have to be operated based on the flow in the line. These are recommended |
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where there is no mechanical strain in the pipe line. Inside diameter of the glass tube is as |
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large as or larger than the nominal size of the flow indicators. It is designed for only a |
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negligible pressure drop. |
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Flapper Type |
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Flapper Type Sight Flow Indicators are recommended for horizontal and verical pipeline with |
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upward flow. These units are best suited tranparent or slightly opaque solutions and are |
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used for gases also. Position of the flapper indicates flow. One important use of these flow |
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indicators is, in pipe lines where a downstream value may remain closed and even through |
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the flow indicator remains full, there may not be any flow. In such cases, the flapper position |
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alone can indicate where there is flow or not. |
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Drip Type |
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Drip Type Sight Flow Indicators are best adapted to vertical downward flow. These models |
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are particularly useful in distillation and similar apparatus whereflow is apt to be |
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intermittent. They are designed without any obstruction to handle the intermittent flow as |
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