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References >> IIAR Bulletin No. Guidelines for Identification of Ammonia Refrigeration Piping and System Components. Most of the other changes to IIAR Bulletin No. are fairly minor, fitting into the existing framework. They include preferred designations for several new types. Find the most up-to-date version of BULLETIN at Engineering

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Don’t Panic: Revised Guidelines for Ammonia Systems

Pressure in excess of 70 psig will bullettin considered to be high pressure and printed in black letters on a red band. Revised Guidelines for Ammonia Systems.

The new version was adopted completely by ANSI. Please enable JavaScript in your browser to experience all the custom features of our site, including the ability to make a purchase.

After all, the last revision of the IIAR guideline was inand technology has changed here and there over the last 23 years! Ammonia refrigeration is a powerful technology, but these large systems are complicated and can be dangerous.

Wrap-around, strap-on, and EZ stick-on markers for piping and components. While the previous bu,letin of the Bulletin used a design that was mostly yellow, the current labels are mostly orange. Track Order Sign In.

Anhydrous ammonia is not the sort of stuff you want to ioar swimming in! There are two requirements for these alternate schemes:.

Directional arrows will be printed on the marker body. They include preferred designations for several new types of equipment.


IIAR Bulletin #

The same system must used across the entire facility. Regardless of the piping color scheme selected, a legend or key to the meaning of the colors should be posted in a conspicuous area.

The following chart shows iiad recommended pipe marker letter height and marker size based on the outside pipe diameter of the gulletin to be identified and the distance between the viewer and the pipe. What Else is New? All Brimar products are manufactured in the USA. Do the changes to the standard mean that you need to replace all of your existing labels?

As a whole, though, the recommended label format has kept its shape. The “self-adhesive” type of marker will be printed with one directional detachable arrows. Pipe Markers Valve Tags Nameplates. View Our Full Product Index. The reference chart, legend, or key should be made of buletin material that will remain legible.

In addition to the abbreviation, the use of a temperature or a pressure commonly associated with a particular line may further assist the operator.

IIAR Bulletin 114

Wafer Seals and Mailing Seals. Since these requirements were also part of the old standard, your facility is probably already in the safe zone. Pressure equal to or less than 70 psig will be considered to be low pressure and printed in black on a green band. In addition, component markers will be provided with a pressure level designation. Since the hazards of ammonia relate to its toxicity, and not its ability to catch fire, the labels should be orange.


Over 8″ Legend Size: That standard, created by the American National Standards Institute ANSIrecommended a color code for pipe labels that indicated the type of contents with a color.

Component markers will bear the name bullefin the equipment they identify, e. There are no items in your cart. Standardized abbreviations are used, and each section is printed in a specific way.

The system in place must be described in a clearly-visible posting. The revision contains 28 abbreviations versus 17 contained in the Guidelines. See full list below. Applying abbreviations of the names commonly given to components or equipment in an ammonia refrigeration system will assist the operator in identifying components and tracing system piping.

Over 10″ Legend Size: Existing schemes for identification are considered acceptable. In those areas where state codes and government regulations are not bhlletin, ammonia refrigerated facilities have the option to implement a company documented piping color scheme.

There are two requirements for these alternate schemes: Pipe location, from a viewer’s standpoint, will be different on every installation.

The color schemes may also be applied to portions of the refrigeration system beyond machinery rooms. Yellow pipe labels were used to mark any pipe containing a hazardous material. Orange is the New Yellow While the previous version of the Bulletin used a design that was mostly yellow, the current labels are mostly orange.