Common Varieties of Sight Glass used in India

A sight glass is a device that allows you to see the liquid inside a machine or a tank. They come in two basic varieties: columnar and bullseye, and they may also be used for monitoring both contaminants as well as the liquid levels inside a machine or a tank. Sight glasses are a better solution than using a dipstick or just opening a tank to look inside because both methods let air, moisture, and other impurities to enter closed systems.

It's also important thinking about the dangers of installing them. Columnar sight glasses are positioned outside tanks, leaving them subject to harm. This isn't an issue with Bullseye sight glasses, but it is necessary for you to place them precisely or they will give you incorrect readings.

Noble Glass Works is the most prominent as well as a noted Sight glass manufacturer in Vadodara.

In this article, you'll discover how to recognise different types of sight glasses and why they're crucial to have.

Varieties of Sight Glass:- Bullseye Sight Glass:

A bullseye sight glass is attached to a tank by drilling a hole at the top of the appropriate oil level. One of the benefits of using a bullseye sight glass is that it may help you discover foam in your system. This scenario is usually seen when there is no presence of water or impurities.

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• Columnar Sight Glass:

Columnar Sight Glass are nothing but a vertical, clear tubes that are placed outside of tanks which allows you to observe a greater sample of liquid than the bullseye sight glass. They are indeed a little tough to install and are usually placed at the bottom of the tanks, where they are more prone to get damaged. Another issue is that they pull from the bottom surface of the vessel or container, hence, whenever there is foaming, it is usually not visible.

• Bottom Sediment and Water (BS&W) Bowls Sight Glass:

Bottom sediment and water bowls are positioned at the bottom of tanks and frequently incorporate a magnet to catch metallic particles. Many of these sight glasses include a release valve that functions as a collecting vessel for oil samples.

• 3D Sight Glass:

3D Sight glass is nothing but a bullseye sight glass that spreads outward from a tank rather than being flat. 3D sight glass allows you to observe the liquid from various angles which also allows the light to pass through it, which makes it easier for you to spot the pollutants. The majority are composed of glass, acrylic, or polyamide and are designed to withstand high pressures and temperatures.

• Multifunctional Sight Glass:

These devices combine the functionality of the previous selections while also adding capabilities such as sight glass removal for cleaning and examination.

Noble Glass Works is an excellent and the most reliable Sight Flow Indicator manufacturer in Ahmedabad.

Why to use a Sight Glass?

Oil life is affected by a variety of circumstances, but the majority of them may be detected with a simple visual inspection. As previously stated, a sight glass does not involve opening a closed system, therefore no pollutants such as moisture or dirt are introduced when an examination is required.

It's crucial to know the amount of pollutants present, as well as their size, in addition to the colour of the oil. When a sight glass fills up with grime, you know you've got a problem. However, scanning for metal pieces caused by wear is also worthwhile. Some sight glass alternatives feature a magnet that attracts these fragments, allowing you to judge whether the wear you're witnessing is normal or requires attention.

At the absolute least, keep an eye on your equipment's oil levels. A sight glass makes it simple to see if the correct amount is in a tank or machine at a look.