This category contains LegendPressCSG 45° Street Elbows. The LegendPressCSG Carbon Steel Gas Press 45° street elbows create a connection for steel gas pipe with a FTG end to a CSG Press end. Each CSG end fitting has an HNBR O-ring which has been designed to provide the heat and temperature resistance required in gas applications.The LegendPressCSG 45° Street Elbows are certified to ANSI LC 4a / CSA 6.32: Press-Connect Metallic Fittings for Use in Fuel Gas Distribution Systems and ASTM F3226. They are commonly used on Schedules 10 & 40 black steel pipe (ASTM A53).