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Best Practices In Preventing Physical Damage To A Sight Glass

Best practices in preventing physical damage to a Sight Glass

However unlikely the possibility may seem, sight glasses (also called level glasses) do suffer physical damage, also referred to as mechanical damage, from time to time. Fortunately, by using these four best practices, you can easily avoid scenarios where an external force or pressure could lead to a crack or break in the sight glass.  […]

Circular Sight Glass Installation

Circular Sight Glass Installation

There are a couple of reasons you may find yourself needing to know how to install a circular sight glass. You may have recently installed a new pipe that requires a sight glass. Alternatively, you may need to replace an old one. Over time, your circular sight glass will become clouded, making it hard to […]

Reflex And Transparent Level Gauge Glass Installation

Reflex and Transparent Level Gauge Glass Installation

If the level glass on your reflex or transparent level gauge glass has become clouded or damaged, that means it’s time to replace it with a new one. The installation process is tedious, but as long as you follow each step of the process carefully, you should have no trouble. Instead, your reflex or transparent […]

Sight Glass Installation In A Boiler

Sight Glass Installation In a Boiler

When the time comes for you to replace the level gauge sight glass in your boiler, there are some important safety steps you should follow. Not only do you need the proper equipment, but you also need to know which level gauge valves to shut off first and then in what order you should turn […]

Soda Lime Or Borosilicate?

Soda Lime or Borosilicate

Sight glass typically comes in two types of glass: tempered soda lime or tempered borosilicate. What’s the difference between them? And which one is better for observing liquids within a vessel or the interior of a vessel? We answer these questions below.   What Is Soda Lime? Soda lime glass is a common material that […]

Tempered Glass Disc VS Annealed Glass Disc

Tempered Glass Disc vs Annealed Glass Disc

The most important quality of glass, aside from the type, is the way it is strengthened. There are two glass strengthening processes: tempering and annealing. At Zight, we always temper our glass during the manufacturing process, but some companies prefer to anneal it instead. In this article, we will explain the difference between a tempered […]

What Does A DIN 7080 Glass Mean To Me?

What does a DIN 7080 glass mean to me

When you look at the tempered borosilicate sight glasses offered on Zight, you’ll notice that the glass has been manufactured according to DIN 7080. You may be wondering what this term means, why we adhere to it for our sight glasses and circular glass replacements, and what makes DIN 7080 glass superior to other types.  […]

Best Practices In Preventing Chemical Damage To A Sight Glass

Best practices in preventing chemical damage to a Sight Glass

Chemical damage is the most common type of damage that affects sight glasses, even more than physical elements like sealing stress and projectiles. Considering the term, “chemical,” you may be inclined to think that you have nothing to worry about as long as you don’t expose the sight glass or level glass to any toxic […]

How Do I Replace A Sight Glass Tube In A Boiler?

Optical Fluid Observation Products by Zight Glass

Over time, the Zight sight glass tube in your boiler may become clouded because of water deposits. As a result, you may not be able to gauge the water level in the boiler, leading to potential safety hazards. If your Zight glass is cloudy and you can no longer see the water level, it’s time […]

Should I Use A Reflex Or Transparent Level Gauge?

Avoid overpaying when creating specs for your level gauge equipment

There is more than one type of level gauge glass you can use for your boiler, oil tank, or other industrial liquid vessel equipment. The two most popular kinds are reflex and transparent. But what’s the difference between them? Is one sight glass better than the other?  We answer these questions and more below.   […]