A valve that is designed to carry gasoline is marked on the valve body with which letter?

The correct designation for a valve that is intended to carry gasoline is marked with the letter G on the valve body. This marking is part of industry standards that help ensure safety and proper material selection in piping systems. The letter G indicates that the valve is suitable for gas or gasoline, which is crucial because these substances can have specific corrosive properties that require specialized materials for safe handling.

In practical applications, using valves with the proper markings helps avoid confusion and ensures that the system is built correctly for its intended use. This is particularly important in preventing leaks and ensuring compliance with safety regulations. Proper labeling on valves supports maintenance and operational efficiency by quickly identifying the correct type of valve for service.