E+D+J Fire pump system, with electric pump, diesel engine pump, jockey pump ... 150, 200, 300, 400, 500, 750, 1000, 1250...GPM with 4, 5, 6, 10, 15... Bar1. Electric pump, ... mechanical seal is carbon/ceramic.2. Diesel engine pump, with capacity equal to electric pump capacity, fuel tank.3 ... Control panel, MCB for each pump, DOL starter with thermal over load protection for main electric pump, hand off ...