Heat-sensitive pressure relief plugs in chlorine containers melt at about ________ degrees F.

Heat-sensitive pressure relief plugs in chlorine containers melt at about ________ degrees F.

• A. 140
• B. 180
• C. 160
• D. 200

Answer: (C)

Heat causes pressure to rise inside chlorine containers, so a fusible, heat-sensitive plug is used to relieve that pressure at a safe point. For chlorine cylinders, this plug is designed to melt at about 160°F (roughly 71°C), providing a venting mechanism before the pressure becomes unsafe. If the temperature were much lower, it could vent too early; if it were much higher, the container could reach dangerous overpressure before relief occurs. This 160°F rating is the standard safety point for preventing cylinder failure in typical storage and operating conditions.

Heat causes pressure to rise inside chlorine containers, so a fusible, heat-sensitive plug is used to relieve that pressure at a safe point. For chlorine cylinders, this plug is designed to melt at about 160°F (roughly 71°C), providing a venting mechanism before the pressure becomes unsafe. If the temperature were much lower, it could vent too early; if it were much higher, the container could reach dangerous overpressure before relief occurs. This 160°F rating is the standard safety point for preventing cylinder failure in typical storage and operating conditions.