Siemens 274-03188

2-Way 2" Flowrite Valve, Cv 40, Normally Closed, Equal Percentage, Brass and Stainless Steel Trim, F x F Connection, Spring Return Electro-Hydraulic Valve Actuator, 258 in-lb, 24 VAC, Proportional 0-10 VDC, Proportional 4-20 mA, 30 Second Run Time, 15 Second Spring Return, 3/4" Stroke ( Minimum Siemens order quantity of $250.)