1,water cooled power generation 2,high efficient muffler 3,AC synchronous generator 4,Standard AVR/AMF 5,Fast ... , 75dB(A )within 7m)7, Internal high-efficient prevent silencer, which can reduce the noise in outlet smoking vent. 8, High-effective damping measure ... oil pressure, low speed and over load protection high efficient muffler/silencer water cooled SDEC industrial power generation