Safety Facility Equipment Identification Catalog Page 248 Pipe Markers

248 Pipe Markers IIAR Pipe Markers Did You Know? IIAR Pipe Markers - Ammonia Refrigeration Pipe Markers Ammonia Piping Abbreviation *See below Directional Arrows Use arrow tape to indicate flow direction Directional Arrows Use arrow tape to indicate flow direction Physical State the physical state of the refrigerant located to the left of "Ammonia": If Liquid - "LIQ" black or white on orange backgroung If Vapor - "VAP" black or white on sky blue background If Both - "LIQ" "VAP" both printed in colors above Pressure Level the pressure level of the refrigerant located to the right of "Ammonia": If High - "HIGH" black or white on red background If Low - LOW" black or white on green background If Both - "LIQ" "VAP" both printed in colors above Marker Body "Ammonia" - black letters on yellow background The International Institute of Ammonia Refrigeration (IIAR) standardized ammonia pipe labeling when it published its bulletin #114, "Guidelines for Identification of Ammonia Refrigeration Piping and System Components." 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 pipe markers recommended for harsh environments (both indoors and outside). 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 Temperature Suction HTRL High Temperature Recirculated Liquid HTRS High Temperature Recirculated Suction LTRL Low Temperature Recirculated Liquid LTS* Low Temperature Suction LTRS Low Temperature 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 IIAR Pipe Marker should have the following sections: BradyID.com/s34

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