4" two way normally closed, field convertible to normally open with spring return dca, butterfly valve, lug connection, polyester coated cast iron body, 416 stainless steel stem, epdm resilient seat, modified equal percent flow, for chilled or hot water with up to 50% glycol, ansi 150 body pressure rating, modulating spring return actuator, nema 2 actuator housing

4" two way normally closed, field convertible to normally open with spring return dca, butterfly valve, lug connection, polyester coated cast iron body, 416 stainless steel stem, epdm resilient seat, modified equal percent flow, for chilled or hot water with up to 50% glycol, ansi 150 body pressure rating, 120vac two position spring return actuator, nema 2 actuator housing

Butterfly Valve, 4" Flanged, 2 Way, 841 Cv, Normally Closed, Convertible to Normally Open with Spring Return DCA, 175 Psi Maximum Differential Pressure Rating, Modified Equal Percentage, Electric Modulating or Non Spring Return Modulating Actuation, 8 Bolt Flange, Nema 2 Housing

Butterfly Valve, 4" Flanged, 2 Way, 841 Cv, Normally Closed, Linear Actuator. Stroke Limited to 70 Degrees, 175 Psi Maximum Differential Pressure Rating, Modified Equal Percentage, Pneumatic, 20 Psi Spring Return, 8 Bolt Flange, Nema 2 Housing

4" two way normally closed, field convertible to normally open with spring return dca, butterfly valve, lug connection, polyester coated cast iron body, 416 stainless steel stem, epdm resilient seat, modified equal percent flow, for chilled or hot water with up to 50% glycol, ansi 150 body pressure rating, floating actuator, nema 4x actuator housing with manual operator and heater