Is ammonia basic?

A base is any molecule that accepts a proton, while an acid is any molecule that releases a proton. For this reason, ammonia is considered basic because its nitrogen atom has an electron pair that readily accepts a proton. However, ammonia is classified as a weak base which is a chemical compound that doesn’t completely … Read more

Is ammonia safe to use?

“Is ammonia safe to use” may sound like a trick question, as you might have seen from our other Q&As on ammonia that it can be dangerous, yet has various uses for fertilizer and refrigeration. There are several pros and cons to using ammonia that make it hard to pin down the exact right answer. … Read more

What colors should ammonia pipe labels be?

Pipe marking can be difficult, especially when the labels must be correct, since handling hazardous materials is no laughing matter. Ammonia labels fall high on the list due to ammonia’s dangerous nature. There are several different colors that must accompany an ammonia label. These colors correlate with the five different parts of an ammonia label … Read more

What are ammonia pipe labels and where are they placed?

Any sort of pipe that contains ammonia must be appropriately labeled to assure the awareness of each employee on the contents of the pipe, especially when it contains something as corrosive as ammonia. The regulations on size and color are listed in the ANSI/ASME A 13.1 2015 ruling with the IIAR’s bulletin #114 guidelines to … Read more

What is the IIAR?

The IIAR is an acronym for the International Institute of Ammonia Refrigeration. The institute oversees the standards on labeling industrial refrigeration equipment for all those who interact with the refrigeration system and its necessary components. The IIAR does this through education and advocacy as they are striving to be the main provider on performance standards … Read more

How is ammonia used in refrigeration?

To answer this question, we must first look into why ammonia is used in the first place. Back when refrigeration was needing more synthetic refrigerants in the 20th century, chlorofluorocarbons were more commonplace or refrigerants like Freon-12. These synthetic refrigerants were used until it was found that they were dangerous to the environment, that’s when … Read more

How do ammonia refrigeration systems work?

To start off, refrigeration systems essentially move heat out of one area to another leaving an area cooler than it was before. This process is the basic transfer of energy by moving it from one place to the next with the use of vapor compression. Think of this process as similar to sweating, it keeps … Read more

When should I use a pipe tag?

Pipes contain and transport a wide range of different liquids and gasses throughout most workplaces. These could be relatively harmless things like water, or it could be deadly gas, acid, steam, or other dangerous solutions. To help improve the overall safety of the piping system, it is important to use pipe tags in all appropriate … Read more

What are the valve color codes?

Color coding valve tags is an important form of visual communication. When followed properly, employees will be able to identify what type of fluid or gas will come out of a valve when it is opened at just a glance. Even if there is no other information available on the valve tag, the color will … Read more

What is a valve tag chart?

Valve tags are a great way to quickly share information in the workplace. They are placed on the various valves and have important information listed on them. In many cases, a valve tag will be quite small so it can’t include all the necessary information. Even when larger tags are possible it is helpful to … Read more