Monday, October 12, 2009

Ajax Integrated Governor Throttle Body (IGTB)

Integrated Governor Throttle Body Offers Fast Response To Load Change And Excellent Stability For Your Ajax Compressor.
Working in cooperation with Woodward Governor Company, Cameron is proud to introduce a new Integrated Governor Throttle Body (IGTB) as a field retrofit for the original mechanical throttle valve operated by any previous design governor used. This product can be used for Ajax units that use automatic variable speed operation for load control and is now standard equipment on all new 2801, 2802, 2803 and 2804 units.


The IGTB is a combined throttle valve and electronic governor. Its purpose is to maintain a fixed speed set-point throughout the engine's load range. The governor measures engine speed with a magnetic pickup and compares it to the set-point speed provided by the transducer.

When engine speed changes from the desired level, the IGTB automatically adjusts fuel gas header pressure as required to maintain the desired speed.
Easy To Install. No Electrical Power Required.
When a compressor site does not have electical power available, Ajax can provide power for the system through a 24VDC, 3.7 amp alternator that bolts to the control box in place of the old governor. Also, a pre-wired terminal box with wiring harness makes connection of the magnetic pickup, pressure transducer, alternator and IGTB a snap.

Stabilized Speed Control. Quick Load Response.
Excellent response time to load change and steady state speed stability of ± 1 RPM allows maximum automatic speed control of compressor throughput. See Figure 3 below for test data on the IGTB's ability to respond to step load changes.
Put The IGTB System To Work For You Today.
One IGTB system fits most Ajax 13.25 and 15 inch power cylinder units and all 2, 3 and 4 cylinder engines. In order to convert a 1 cylinder unit, all the same components are used buy with a smaller bore IGTB for more accurate fuel control at the lower flow.

Contact your local Ajax sales representative today for more information on which kit is right for you application.

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