2-Way 1-1/2" Pressure Independent Control Valve, 20 GPM, Normally Open, Ductile Iron Body with Stainless Steel Stem, ANSI 250, Spring Return OpenAir Damper Actuator, Normally Open, 24 VAC/DC, 35 in-lb, Proportional 0-10 VDC, 60 Second Run Time, 15 Second Spring Return
