Wall Mounted Pump for Flexible Suction Length & Discharge MOC: SS 316 & Teflon Pump Inlet: 52 MM, Pump Outlet: ¾" Serrated Nozzle Discharge Pressure: 1:1 (Discharge Pressure will be equal to Supply Air Pressure) Pump comes to stand still if any case discharge valve is closed. There is no damage for any part if the Pump RUNS DRY. You can easily shut off the pump by just shut down the discharge valve At Operation Area.