This option of flow indicator incorporates a pivoted internal flap, which, by its position in relation to a graduated scale-plate, indicates any changes in the rate of flow of a liquid in a pipeline, from a trickle to full flow conditions. The internal stainless steel flap is electropolished to improve viewing in murky liquids. The indicators are suitable for both horizontal and vertical upward flows. A variety of materials are available as standard. Rhodes Sight Glasses are fully UK manufactured with castings from the UK, unlike many of the competitors using components from the far east.
Rhodes 904 Sight Glass with Flap and Scale Plate Datasheet
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