Additional InformationASTM A536 Grade 65-45-12|FM Approved|UL/cUL Listed
Marketing InformationNo. 10-DR drain elbows are specifically designed for use on fire protection standpipes. The drain is drilled and tapped for a 1 in/25 mm NPT outlet. Constructed of durable ductile iron all sizes conform to the ratings of style 77 couplings. No.10-DR elbows are supplied with grooves or shoulders. These fittings are not intended for use with Victaulic® plain end couplings. When connecting wafer or lug type butterfly valves directly to Victaulic® drain elbows with style 741 or 743 Vic-Flange® adapters or style 744 FireLock™ flange adapters, check disc clearance dimensions with the ID dimension of the fitting.