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Inquiry (采购产品): Silencer for Gas ENgine Do you have silencer for Gas engine with electrical output 3 MW? This below information you might be need Sound pressure level Aggregate b) dB(A) re 20μPa 101 31,5 Hz dB 88 63 Hz dB 95 125 Hz dB 101 250 Hz dB 99 500 Hz dB 94 1000 Hz dB 93 2000 Hz dB 92 4000 Hz dB 94 8000 Hz dB 95 Exhaust gas a) dB(A) re 20μPa 123 31,5 Hz dB 112 63 Hz dB 121 125 Hz dB 131 250 Hz dB 119 500 Hz dB 117 1000 Hz dB 118 2000 Hz dB 117 4000 Hz dB 112 8000 Hz dB 98 Sound power level Aggregate dB(A) re 1pW 122 Measurement surface m2 144 Exhaust gas dB(A) re 1pW 131 Measurement surface m2 6,28 a) average sound pressure level on measurement surface in a distance of 1m according to DIN 45635, precision class 2. b) average sound pressure level on measurement surface in a distance of 1m (converted to free field) according to DIN 45635, precision class 3. Operation with 1200 rpm see upper values, operation with 1800 rpm add 3 dB to upper values. Engine tolerance ± 3 dB I need to reduce sound power to 60 dB **** Hidden Message ***** Kuswadi Kuswadi Kebayoran Jakarta62 IDN Company: PT Navigat Title: S1 E-mail: kuswadi@navigat.net **** Hidden Message ***** kuswadi@navigat.net
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