12" 2 Way Butterfly Valve, 316 Stainless Steel Disc, Chilled Water Hot Water Up to 50% Glycol 20..250?F Continuous HD3XMSTM CLS2 THD EXT & COUPLING Rango de Presion:0 a 1" w.c. CLS2 THD EXT & COUPLING NPT 2 Way 60 GPM Plated Brass Trim DCA Profile Modulating Floating(Fail Closed) 24 Vac 1 Aux Switch Nema 3R Enclosure 5000 in lb Torque 316 Stainless Steel Disc