Item Code: 228770
DMK 712/6 (228770) - 19 mm Orifice 1-1/4” NPT male inlet connection 1-1/4” NPT female outlet connection Formerly: 228-770 Description The DUNGS DMK butterfly control valve actuates from 0° to 90° degrees in either direction; it is not a tight shutoff valve. Inlet-side male thread and outlet-side female thread enable a space-saving assembly with direct mounting on most DUNGS shutoff valves. Application The DUNGS DMK is recommended for industrial and commercial heating applications for modulating gas or air supply to a piece of gas burning equipment. The DMK butterfly control valve is suitable for natural gas, propane, butane, air and other inert gases. Specifications Max. Operating Pressure 7 PSI (500 mbar) Max. Differential Pressure 1.5 PSI (100 mbar) Torque Max 4.4 In-lbs. (50 N cm) Ambient Temperature Rating +5 F to +140 F (-15 C to +60 C) Maximum pressure drop of 40” for optimum control required; Use with DUNGS DMA actuator; Required torque 12 in-lb; Screws directly to the downstream flange of the DMV; Refer to selection guide for technical specifics, flow and pressure drop; 5 business day lead time for assembly and mounting. NPT threaded product is UL listed. R/Rp threaded product has CE mark.