... iron and the impeller is brass, shaft from stainless steel, mechanical seal is carbon/ceramic.2. Diesel engine pump, with capacity ... or vertical, 10, 15, 20, 30, 40, 50, 75, 100, 125...GPM4. Pressure vessel, 25, 50, 75, 100, 150...liters with ... , battery charger, 12 volt battery to start the engine. E+D+J Fire Pump System Verified Information This information is Verified ...