What is the cylinder color code for R-134a?

The cylinder color code for R-134a is sky blue. This standard is important for ensuring safety and preventing mishandling of refrigerants. Each refrigerant has a specific color code that helps technicians quickly identify the type of refrigerant in use, which is critical for proper handling and servicing of air conditioning systems. By recognizing the sky blue color on R-134a cylinders, technicians can avoid mixing different refrigerants, which could lead to system malfunctions or environmental hazards. Understanding these color codes is part of standard practice in HVAC/R applications to ensure compliance with safety regulations and efficient service operations.