IIAR BULLETIN 114 PDF

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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In addition, component markers will be provided with a pressure level designation. Component markers will bear the name of the equipment they identify, e. Naturally, anhydrous ammonia pipes were considered hazardous, and got yellow labels.

The revision contains 28 abbreviations versus 17 contained in the Guidelines. As a whole, though, the recommended label format has kept its shape.

Existing schemes for identification are considered acceptable. This format was in place in the previous revision of the guideline, so many engineers are already familiar with it.

In either case, the directional arrow or arrowhead will be BLACK in color and proportionate in size to the marker. If not, now is a great time to fix it! Detachable arrow printed in black. There are two requirements for these alternate schemes: There are no items in your cart.

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IIAR Bulletin 114

Reversible arrows for easy placement with any flow direction. Pipe location, from a viewer’s standpoint, will be different on every installation.

A reference chart that fully explains the ammonia refrigeration piping and component identification markers, including the approved abbreviations, should be placed in areas that iiiar conspicuous to operating personnel. View Our Full Product Index. Why would the IIAR switch bluletin yellow labels to orange ones? Printed in black Physical State Section: The reference chart, legend, or key should be made of durable material that will remain legible.

See full list below. 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: The color schemes may also be applied to portions of the refrigeration system bulletih machinery rooms. While the previous version of the Bulletin used a design that was mostly yellow, the current labels are mostly orange. They include preferred designations for several new types of equipment. That standard, created by the American National Standards Institute Bullrtinrecommended a color code for pipe labels that indicated the type of contents with a color.

Considering these factors, the size of the pipe marker and lettering should be selected to provide quick and positive identification.

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Don’t Panic: Revised Guidelines for Ammonia Systems

The “self-adhesive” type of marker will be printed with one directional detachable arrows. Abbreviating the names given to pipes in the ammonia refrigeration system will assist the operator in identifying and tracing liar system. Wafer Seals and Mailing Seals.

Directional arrow tape may also be applied around the full circumference iiag the pipe. All Brimar products are manufactured in the USA. Pipe markers in accordance with Bulletinare designed to identify the refrigerant contained within that piping segment i. Revised Guidelines for Ammonia Systems.

Don’t Panic: Revised Guidelines for Ammonia Systems

Orange is the New Yellow While the previous version of the Bulletin used a design billetin was mostly yellow, the current labels are mostly orange. The changes specified in the Revision of the guidelines are as follows: What Else is New?

There are two requirements for these alternate schemes:.