A self-operated control valve, also known as a self operated pressure control valve or self operated temperature control valve, is an auto control valve that relies on the pressure and temperature of the medium flowing through the valve as an energy source to drive the self ...
Product Item: Electric Ball Valve. Material: ASTM A216 WCB. Size: 4 Inch, DN100. Pressure: Class 150 LB, PN20. Design Standard: API 6D. For ...