This category contains LegendPressCSG 45° Elbows. The LegendPressCSG Carbon Steel Gas Press 45° elbow is CSG Press configuration, allowing connection with a steel gas pipe with CSG press on both ends. To provide heat and temperature resistance required in gas applications each CSG end fitting has a HNBR O-ring. LegendPressCSG 45° elbows are certified to ANSI LC 4a / CSA 6.32: Press-Connect Metallic Fittings for Use in Fuel Gas Distribution Systems and ASTM F3226. LegendPressCSG 45 Elbows are commonly used on Schedules 10 & 40 black steel pipe (ASTM A53)