SPG4 Turbine Engine
Rapid Ignition, Quick Load, Continuous Operation
SPG4 is our aerospace, military-derived turbine with operational flexibility that exceeds the competition. SPG4 delivers fast start/stop, rapid load acceptance, and high load-change tolerance.
Performance
SPG4 is built from proven turbine inventory that undergoes disciplined overhaul, restoration, inspection, and recertification processes designed to support reliable long-term performance.
SPG4 is ideal for customers seeking:
- Proven platform architecture
- Overhauled and recertified
- Lower upfront acquisition cost
- Dependable industrial power and performance
- Flexible deployment capability
- Heavy-duty output
- Combustion stability
- Strong lifecycle value
Specifications
From Combined Heat & Power (CHP) installations that require year-round operation to temporary projects where time is critical or lives are on the line, durability is key. The SPG4 is built for endurance.
- Seven-stage axial compressor
- Four-stage power end (clockwise)
- 8.8:1 pressure ratio
- 28 fuel injectors
- 90-second rapid start
- Main line bearings: two roller bearings and five annular ball bearings
- Modular design
- Horizontal split case
- Annular reverse-flow combustion chamber
- High- and Low-energy ignition systems available
- Gaseous or liquid fuels capable
- Aeroderivative with free direct drive power turbine
- Dry engine weight: approximately 1,325 lb (600 kg)
- Nominal output shaft speed: 15,400 rpm