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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The guideline specifically allows alternative color schemes, such as the one used in the older version of the IIAR standard — or any other color scheme that works well for your facility. Looking for high-quality, standards-compliant ammonia markers?

Inthough, the standard was revised. 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. Component markers will bear the name of the equipment they identify, e. In those areas where state codes and government regulations are not conflicted, ammonia refrigerated facilities have the option to implement a company documented piping color scheme. In addition, component markers will be provided with a pressure level designation.

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.

Abbreviating the names given to pipes in the ammonia refrigeration system will assist the operator in identifying and tracing the system. A reference chart that fully explains the ammonia refrigeration piping and component identification markers, including the approved abbreviations, should be placed in areas that are conspicuous to operating personnel. The reference chart, legend, or key should be made of durable material that will remain legible.


Wafer Seals and Mailing Seals. Over 10″ Legend Size: In either case, the directional arrow or arrowhead will be BLACK in color and proportionate in size to the marker.

The system in place must be described in a clearly-visible posting. Naturally, anhydrous ammonia pipes were considered hazardous, and got yellow labels. They include preferred designations for several new types of equipment. Since these requirements were also part of the old standard, your facility is probably already in the safe zone.

The color schemes may also be applied to portions of the refrigeration system beyond machinery rooms. There are no items in your cart. After all, the last revision of the IIAR guideline was inand technology has changed here and there over the last 23 years! Visa, Mastercard, American Express, Discover. Considering these factors, the size of the pipe marker and lettering should be selected to provide quick and positive identification.

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

As a whole, though, the recommended label format has kept its shape. The new version was adopted completely by ANSI. Directional arrows will be printed on the marker body. The same system must used across the entire facility. All components of the refrigeration system, e.

What Else is New? Revised Guidelines for Ammonia Systems. Pressure in excess of 70 psig will be considered to be high pressure and printed in black letters on a red band. Pipe markers in accordance with Bulletinare designed to identify the refrigerant contained within that piping segment i.


Pipe location, from a viewer’s standpoint, will be different on every installation. View Our Full Product Index. While the previous version of the Bulletin used a design that was mostly yellow, the current labels are mostly orange.

IIAR Bulletin 114

Directional arrow tape may also be ilar around the full circumference of the pipe. Why would the IIAR switch from yellow labels to orange ones? Over 8″ Legend Size: Printed in black Physical State Section: There are two requirements for these alternate schemes:.

Regardless of the piping color scheme selected, a legend or key to the meaning of the colors should be posted in a conspicuous area.

IIAR Bulletin #

Reversible arrows for easy placement with any flow direction. The following chart shows the recommended pipe marker letter height and marker size based on the outside pipe diameter of the pipe to be identified and the distance between the viewer and the pipe. See full list below. Ammonia refrigeration is a powerful technology, but these large systems are complicated and can be dangerous.

All Brimar products are manufactured in the USA. Wrap-around, strap-on, and EZ stick-on markers for piping and components. Pipe Markers Valve Tags Nameplates.

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