Mcdonnell & Miller 21, Make-Up Water Feeder

For boiler receiver tanks Direct mounting eliminates need for equalizing connections Proportional feed action Mounting Flange v six 7/16" (11.1mm) bolt holes on a 5-3/4" (146mm) bolt circle Soft seat provides positive seal Maximum water supply pressure 150 psi (10.5 kg/cm2) Maximum inlet water temperature 120¦F (49¦C) Maximum vessel pressure 35 psi (2.5 kg/cm2)