The PGA is much-like the standard PG model, however with the inclusion of an air speed setting facility; it is used extensively in marine applications.
It is a pressure-compensated, hydraulic governor that uses an air signal to establish the engine speed setting of the governor.
PGAs come with a variety of optional additional features:
• Isochronous or droop control option
• Magnetic pick up facility
• Various base options
• Lube oil or air shutdown facility
• Self-contained sump
• Load share option
• Electrical shutdown with various voltage options
• Vane servo load control
• Hydraulic load control
• Variable speed setting timing
• Extendable tail rod overload
• Speed setting limiter
• Torque limitation
• Overspeed test device
Other PGs within this range include the PG-200, the PG-300, the PG-500, the PGA-EG), the PGG and the PGG-EG and the PG-PL for compressor or pump applications.