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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Therefore, on-site decisions will be necessary to provide the optimum pipe marking system.

Over 10″ Legend Size: Track Order Sign In. Pressure equal to iair less than 70 psig will be considered to be low pressure and printed in black on a green band. Revised Guidelines for Ammonia Systems. There are two requirements for these alternate schemes: The revision contains 28 abbreviations versus 17 contained in the Guidelines.

In addition, component markers will be provided with a pressure level designation. The “self-adhesive” type of marker will be printed with one directional detachable arrows. Since these requirements were also part of the old standard, your facility is probably already in the safe zone.

Directional arrows will be printed on the marker body. Bulletin states that all piping mains, headers and branches should be identified as to the physical state of the refrigerant, i.

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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.

Don’t Panic: Revised Guidelines for Ammonia Systems

In addition to the abbreviation, the use of a temperature or a pressure commonly associated with a particular line may further assist the operator. Regardless of the piping color scheme selected, a legend or key to the meaning of the colors should be posted in a conspicuous area.

Anhydrous ammonia is not the sort of stuff you want to go swimming in! Pipe Markers Valve Tags Nameplates. Please enable JavaScript in your browser to experience all the custom features of our site, including the ability to make a purchase.

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. The color schemes may also be applied to portions of the refrigeration system beyond machinery rooms. While the previous version of the Bulletin used a design that was mostly yellow, the current labels are mostly orange.

See full list below. Iiqr these factors, the size of the pipe marker and lettering should be selected to provide quick and positive identification. Abbreviating the names given to pipes in the ammonia refrigeration system will assist the operator in identifying and tracing the system. Printed in black Physical State Section: Wafer Seals and Mailing Seals.

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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. Existing schemes for identification are considered acceptable.

IIAR Bulletin #

Ammonia refrigeration is a powerful technology, but these large systems are complicated and can be dangerous. Why would the IIAR switch from yellow labels to orange ones? Pipe location, from a viewer’s standpoint, will be different on every installation.

The same system must used across the entire facility.

IIAR Bulletin 114

View Our Full Product Index. They include preferred designations for several new types of equipment.

All Brimar products are manufactured in the USA.