Safety Facility Equipment Identification Catalog Page 268 Pipe Markers

268 Pipe Markers IIAR Pipe Markers IIAR Ammonia Refrigeration Pipe Markers The International Institute of Ammonia Refrigeration (IIAR) standardizes pipe labeling for Ammonia Refrigeration Piping and System Components. Brady's IIAR Marker Styles Brady offers a variety of ammonia pipe markers that comply with the IIAR's established guidelines, including self-adhesive markers, snap-around marker styles and high performance pipe markers recommended for harsh environments. Ammonia Piping Abbreviations: Abbr. Systeam BD Booster Discharge CD Condenser DC Defrost Condensate EQ* Equalizer ES Economizer Suction HGD Hot Gas Defrost HPL High Pressure Liquid HSD High Stage Discharge HSS High Stage Suction HTS* High Temp. Suction HTRL High Temp. Recirculated Liquid HTRS High Temp. Recirculated Suction Abbr. Systeam LTRL Low Temp. Recirculated Liquid LTS* Low Temp. Suction LTRS Low Temp. Recirculated Suction LIC Liquid Injection Cooling LSS Low Stage Suction PO* Pump Out PU* Purge RV Relief Vent TSR Thermosyphon Return TSS Thermosyphon Supply *Not currently covered in the IIAR standard Example of B-946 Self-Sticking Vinyl Pipe Markers Example of B-689 High Performance Pipe Markers Example of B-681/B883 HPHV Pipe Markers Physical State of the refrigerant: If Liquid - "LIQ" black or white on yellow If Vapor - "VAP" black or white on sky blue If Both - "LIQ" "VAP" both in colors listed above Pressure Level of the refrigerant: If High - "HIGH" black or white on red If Low - "LOW" black or white on green If Both - "LIQ" "VAP" both in colors lsited above Marker Body "Ammonia" - black letters on orange background Ammonia Piping Abbreviation *See chart below new Orange vs. Yellow Orange was adopted by the International Institute of Ammonia Refrigeration (IIAR) for ammonia markers, instead of yellow, because it meets the ANSI A13.1 (2007) revised standard for "toxic and corrosive" fluids. Yellow will continue to be available for established facilities needing replacements. IIAR B-689 High Performance Wrap-Around Marker Styles & Size Chart Style Code Outside Dia. Letter Height Marker Size Style: I 1-1/2" to 2-3/8" 3/4" 9" x 8" (uncoiled) Style: II 2-1/2" to 7-7/8" 1-1/4" 26" x 12" (uncoiled) IIAR B-681/B883 HPHV Marker Styles & Size Chart Style Code Outside Dia. Letter Height Marker Size Style: HPHV 8" or larger 3-1/2" 4" x 24" (includes 2 mounting clips) B-946 Self-Sticking Marker Styles & Size Chart Style Code Style Example Outside Dia. Letter Height Marker Size Style: 1HV 8" or greater 3-1/2" One 4" x 24" marker per card Style: 1 2-1/2" to 7-7/8" 2" One 2-1/4" x 14" marker per card Style: 4 3/4" to 2-3/8" 3/4" Four 1-1/8" x 8" markers per card BradyID.com/s35

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