Which type of connections do fuel gas hoses have?

Fuel gas hoses typically have left-handed threaded connections. This design is intentional to prevent accidental mixing with other types of hoses that may use right-handed threads, such as oxygen hoses. The left-handed threading acts as a safety feature to ensure that operators do not mistakenly connect hoses that could lead to dangerous situations.

By implementing left-handed threads, the industry minimizes the risk of improper connections and enhances safety during oxyfuel cutting operations. This design is crucial for safe handling of flammable gases, thereby reinforcing proper practices in welding and cutting environments.