1.888.326.9244

Identification Guide for Ammonia Refrigeration Piping

1. Use Arrows to Indicate the Direction of Flow in the Pipe.

Ammonia Refrigeration Piping

FREE Ammonia Pipe Marking Guide

2. Use the Following Abbreviations to Properly Identify System Components.

BD Booster Discharge
CD Condenser
DS Defrost Condensate
ES Economizer Suction
HGD Hot Gas Defrost
HPL High Pressure Liquid
HSD High Stage Discharge
HSS High Stage Suction
HTRL High Temperature Recirculated Liquid
HTRS High Temperature Recirculated Suction
LTRL Low Temperature Recirculated Liquid
LTRS Low Temperature Recirculated Suction
LIC Liquid Injection Cooling
LSS Low Stage Suction
RV Relief Vent
TSR Thermosyphon Return
TSS Thermosyphon Supply

Request Information

3. Indicate Whether the Refrigerant is a Liquid, Vapor, or Both.


 LIQ - Orange Color Band Indicates Liquid State
   VAP - Blue Color Band Indicates Vapor State
   Use both color bands if both liquid and vapor may be present.

4. Print "Ammonia" in Black Letters on a Yellow Background.

5. Indicate Whether Internal Pipe Pressure is High or Low.


 High - Red Color Band Indicates High Pressure
   Low - Green Color Band Indicates Low Pressure

This guide is provided FREE by the RTK Labeling Resource, a leading supplier of labeling equipment and supplies. . This guide is intended for general information purposes only. This guide is not a substitute for review of applicable government regulations and standards.

Learn about using the DuraLabel Pro to make the pipe markers you need.