E+D+J Fire pump system, with electric pump, diesel engine pump, jockey pump and control panel. Fire pump system E+D+J,Operation: 1 Duty(electric ... 6, 10, 15... Bar1. Electric pump, closed coupled centrifugal horizontal pumps its casing from cast iron and the impeller is brass ... , shaft from stainless steel, mechanical seal is carbon/ceramic.2. Diesel engine pump, with capacity equal to ...