How is the shoulder area of recovery cylinders painted?

The shoulder area of recovery cylinders is painted yellow to indicate that they are specifically designated for the recovery of refrigerants. This color coding is part of an important safety and identification system that helps technicians quickly identify the purpose and contents of the cylinder.

Using yellow for recovery cylinders ensures that those handling refrigerants are aware of the specific application and can act appropriately, aiding in the safe handling and management of refrigerants during recovery processes. This practice is essential for promoting safety standards in the HVACR industry, as it assists in the proper separation of different types of gases and minimizes the risk of cross-contamination and mishandling.

The other color options do not serve this purpose. For instance, green typically indicates that a cylinder contains refrigerant gas in a certain category, while red often represents flammable gases. Blue can denote non-toxic or inert gases. Hence, yellow specifically for recovery cylinders is crucial for compliance with safety regulations and ease of identification.