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What does HPTACC mean? - Definition of HPTACC - HPTACC stands for High Pressure Turbine Active Clearance Control. By AcronymsAndSlang.com
Aircraft Engineers of Pakistan - HP Turbine Active Clearance Control HPTACC System An electro-hydraulic servo valve (EHSV) regulates cooling air to the HPT shrouds in order to minimize clearances with the HPT
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