Industries are rising at a very high rate today. Some of the sectors on this rise are the foods and beverages processing and pharmaceutical industries. In a bid to check on hygiene and sanitation within the areas, sanitary sight glasses are used. The glasses help in avoidance of bacterial contamination of the foods, beverages, and drugs as well.
One of the reasons why sanitary sight glasses are preferred in the industries is their simplicity. Since they do not require any tools to maintain, they are friendly, economical, and easy to use.
What Is Sanitary Sight Glass?
A sanitary sight glass consists of a frame made of stainless steel and PYREX glass. The condition of the flow of the medium and the liquid can be seen through the sight glasses.
How Does a Sanitary Sight Glass Work?
When the sanitary sight glass is installed within a pipeline/vessel, it serves as a window where an operator can observe the processes that are going on in a boiler, water tank, reactors or pipes. This enables control of whatever is taking place in the containers for proper sanitation.
What Are the Types of Sanitary Sight Glasses?
The usual sanitary sight glass allows for direct observation of industrial pipes, tanks, and vessels processes. The sight glass contains a glass piece trapped between two flanges of a metal.
The aseptic sight glass is a professional stainless-steel sanitary sight glass. It is a high-quality glass that has an enticingly beautiful surface and an advanced CNC equipment. It best works with skilled workers and engineers, and it is a great sanitary sight glass to use. It does not have a dead angle.
The clamps can install sanitary 4-way sight glasses. It can be brought together by the use of lights or even lamps. It gives you a clear and transparent flow of the liquid under observation.
The best thing with the sanitary 4-way sight glass is that it has a wide field of applications. It can be used in warehouses, stadiums, offices and high-rise constructions, among many others. Besides, the glass is durable and easy to maintain.
The sanitary flange type sight glass contains a projecting flat rim, a collar and a rib. The structures within the sight glass strengthen it and connect it firmly to the tank or the vessel.
The sanitary union sight glasses are easy to maintain. As we have already seen, they do not require any specific tools to maintain. They are also durable.
Just like any other sanitary sight glass, they are used to check the liquid within a system. They come in different sizes and brands and the choice.
The sanitary sight glass is chargeable. The wireless charging may take quite some time, but when it’s full, it can last for quite some days.
Some of its properties include waterproof and explosion-proof. It does not have a retention or dead angle.
Styles of Sanitary Sight Glasses
The sanitary sight glasses come in different styles. The most common styles include the following:
— A tubular sight glass. Here, the sight glass works as a tube that one can see through. Therefore, the person operating a tank or a boiler can know the level of fluid contained in the container.
— Sight flow. The style refers to a linear sight glass that allows one to see the movement of a liquid within the pipelines.
— A circular sight glass. The sanitary sight glass takes a circular shape, and the operator can see through it to observe the fluid within a vessel.
The styles refer to the shape of the sanitary sight glasses as we have already established above.
Materials Used in Making Sanitary Sight Glasses
As we might have noted in other sections of this article, the sight glass is made by use of the following materials;
- Stainless steel
The reason for the use of stainless-steel is to prevent corrosion and rusting. Remember that the sanitary glass comes into contact with air and moisture, and this could result in rusting. Furthermore, stainless still is a durable metal.
- Pyrex glass
Pyrex glass is durable glass. It resists attacks by all acids apart from hydrofluoric and hot phosphoric acid. Since it comes into contact with many fluids and among them acids, it is the best to use in sanitary sight glasses.
The gasket is used to seal all the junctions within the sight glass. Mostly used materials in gasket include NBR, Silicone. EPDM and Viton. All of them comply with the FDA1787.2600.
Sanitary sight glass must have some specific technical specifications for it to deliver the best service in any industry. The list below summarizes the best such specifications that you should consider next time you want to buy a sanitary sight glass;
– Size: 1″- 4″ (DN25 to DN100)
– End connection: Butt-weld, sanitary clamp, flange, and thread.
– Full port design
– 360° viewing
– Both vertical and horizontal positions can be installed
– Working temperature: 14°F to 248°F (-10°C to 120°C), VMQ (Silicone).
– Max Operating pressure 145psig/10bar.
– Standard: IDF, BS, RJT, SMS, DIN
– Surface treatment: <Ra 32µin (0.8µm)
A sanitary sight glass is an essential tool that every industry must have. This is in a bid to observe maximum hygienic and sanitation requirements for all industries.
The next time you will be planning to buy a sight glass for sanitary purposes, think about all the types highlighted above and choose the one that works best for you. Avoid blind and impulse buying and keep hygiene and sanitation at the highest levels.
Our People Want to Help
As a manufacturer of stainless steel sanitary sight glasses, SIMPLE VALVES aims to arm its potential customers with information that would help them in making an informed decision.
Our sales representatives are ready to help, please feel free to email us at firstname.lastname@example.org or submit your request directly in below form.
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