Von Duprin 9847/9947 concealed vertical rod device for use on single or double metal doors, UL listed for Panic Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 9847 device has a smooth mechanism case and the 9947 device has a grooved case. Both concealed vertical rod exit devices are non-handed and built ready for extensive heavy duty applications.
