G411 & G412 Grade R Single Line
Grade R Single-Line Welding is designed for welding and cutting where oxygen and acetylene are used and single hoses are preferred. The fluted cover and heavy reinforcement have made this hose popular wherever external abuse is severe. G412 meets RMA specifications for Grade R, Type S. However G412 is not suitable for use with other fuel gas mixtures that have appeared in recent years. These hydrocarbon based fuel gases require a low-permeation, oil resistant hose (inquire for G423).
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