How to choose the best Sight Flow Indicator?

 

How to choose the best Sight Flow Indicator?

It can be a time-consuming and frustrating task to figure out what's going on in your process pipelines. Sight flow indicators, on the other hand, make it simple to see the direction and approximate rate of liquid, powder, or gas flow through a process pipeline, as well as its colour and clarity. A sight flow indicator features a body with one or more viewing windows, which are normally sealed with gaskets, and a way to attach it to the pipeline.

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When you've concluded you need a sight flow indicator, there are four steps you can take to make the best decision.

Step 1 - Select the appropriate style for your project:

A tube-style flow indicator circulates fluid through a glass cylinder that is viewable from all sides and illuminated by ambient light. Although it's great for checking for clarity, colour, foam, and moisture in a process fluid, it's not designed for high pressures. A view-through flow indicator includes two opposed windows that allow viewing of the fluid flow between them, which is illuminated from behind by ambient light or an attached luminaire. For ANSI pressure classes, high temperature, and severe fluid applications, this design is ideal.

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Step 2 - Narrow down the indicator's exact role:

Observers can use a variety of indicators to determine the direction and speed of the process material flow. For a range of applications, rotary, ball, drip, flapper, and flutter indicators are provided.

Step 3 - Select a mounting option:

Indicators can be bolted, threaded, or affixed using a sanitary clamp, which is popular in food as well as pharmaceutical applications since it makes cleaning easier.

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Step 4 - Determine the materials best suited to the application:

Metal, gaskets, and glass are common components of a sight flow indicator. Although both carbon steel and stainless steel are commonly used, stainless steel has higher corrosion resistance. For very abrasive process media, a Teflon covering is available. Be aware of low-cost castings that could cause problems in the future.

The integrity of the gasket is critical to the performance of the sight flow indicator. Gaskets are usually constructed of Teflon or an improved PF substance. Make sure the gasket material you're using is compatible with the product it'll be used with.

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Low-temperature soda glass is commonly used for non-corrosive goods or cleaning solutions. Use borosilicate glass at higher temperatures because it is more resistant to thermal stress, has better corrosion resistance, and can withstand higher temperatures than soda-lime glass. Quartz or sapphire glass is recommended for extremely high temperatures.