The 450 Series Multi-Blaster is ideal for power plants or other locations that utilize semi- or fully-automated systems. All units, single or variable speed, include a diesel engine or electric motor, appropriate drive system, fuel tank, pump filtration, pump instrumentation and safety relief system. With working pressures from 7,000 to 25,000 PSI, and flows to 116 GPM, this is a truly versatile series of units.