Milton CAT G3412 350 kW Continuous 350 kW 60 Hz Performance and Sound Data - Manual

G3412 TA ®
ENGINE SPEED: 1800 FUEL: NATURAL GAS
COMPRESSION RATIO: 9.7:1 FUEL SYSTEM: LPG IMPCO
AFTERCOOLER (°F): 130
JACKET WATER (°F): 210 MIN. FUEL PRESS. (psig): 1.5
COOLING SYSTEM: MIN. METHANE NUMBER: 80
IGNITION SYSTEM: CDIS MAX. RATED ALTITUDE (ft): 2500
EXHAUST MANIFOLD: WET AT AMBIENT TEMP (°F): 77
COMBUSTION: STOICH NOx EMISSION LEVEL: STD
RATING AND EFFICIENCY NOTES LOAD 100% 75% 50%
LHV OF FUEL btu/scf 919.6 919.6 919.6
ENGINE POWER bhp 566 425 283
ENGINE EFFICIENCY (1) % 35.0 32.9 29.0
THERMAL EFFICIENCY (5) % 51.5 54.3 58.2
TOTAL EFFICIENCY (6) % 86.5 87.1 87.2
ENGINE DATA
FUEL CONSUMPTION (1) btu/bhp-hr 7266 7737 8780
AIR FLOW (WET) lb/hr 3997 2985 2039
AIR FLOW (WET) scfm 872 651 445
COMPRESSOR OUT PRESS. in. Hg (abs) 46 43.9 39.5
COMPRESSOR OUT TEMP. °F 186 165 151
INLET MAN. PRESS. in. Hg (abs) 43.2 33 23.4
INLET MAN. TEMP. (10) °F 138 133 134
TIMING (11) °BTDC 26 26 26
EXHAUST STACK TEMP. °F 892 885 882
EXHAUST FLOW (@STACK TEMP) (WET) cfm 2476 1846 1270
EXHAUST FLOW (WET) lb/hr 4202 3149 2163
EMISSIONS
NOx (as NO2) (9) g/bhp-hr 21.3 22.4 21.2
CO (9) g/bhp-hr 1.5 1.6 1.6
THC (9) g/bhp-hr 1.9 1.9 2.6
NMHC (9) g/bhp-hr 0.29 0.29 0.39
EXHAUST O2 (DRY) % 4.0 2.8 1.0
LAMBDA 1.22 1.14 1.03
HEAT BALANCE DATA
LHV INPUT (1) btu/min 68547 54738 41411
HEAT REJ. TO JACKET (2) (7) btu/min 24869 21962 18786
HEAT REJ. TO A/C (3) (8) btu/min 866 436 166
HEAT REJ. TO ATMOSPHERE (4) btu/min 2742 2190 1656
HEAT REJ. TO EXH.(LHV to 77°F) (2) btu/min 16067 12149 8801
HEAT REJ. TO EXH.(LHV to 350°F) (2) btu/min 10412 7736 5322
CONDITIONS AND DEFINITIONS
ENGINE RATING OBTAINED AND PRESENTED IN ACCORDANCE WITH ISO 3046/1 (STD. REF. CONDITIONS OF 25°C, 100 KPA).
NO OVERLOAD PERMITTED AT RATING SHOWN. CONSULT ALTITUDE CURVES FOR APPLICATIONS ABOVE MAXIMUM
RATED ALTITUDE AND/OR TEMPERATURE.
1) FUEL CONSUMPTION TOLERANCE ACCORDING TO ISO 3046/1. TOLERANCE IS ±5% OF FULL LOAD DATA
2) HEAT REJECTION TO JACKET AND EXHAUST TOLERANCE IS ±10% OF FULL LOAD DATA.
3) HEAT REJECTION TO A/C TOLERANCE IS ±5% OF FULL LOAD DATA.
4) HEAT REJECTION TO ATMOSPHERE TOLERANCE IS ±50% OF FULL LOAD DATA.
5) THERMAL EFFICIENCY: JACKET WATER +EXH. HEAT TO 350°F
6) TOTAL EFFICIENCY: ENGINE EFF. + THERMAL EFF. TOLERANCE IS +/- 10% OF FULL LOAD DATA
7) TOTAL JW HEAT: JACKET HEAT + OIL COOLER HEAT (HEAT RATE BASED ON TREATED WATER)
8) TOTAL A/C HEAT: A/C HEAT x A/C HEAT REJ. FACTOR (HEAT RATE BASED ON TREATED WATER)
9) EMISSION DATA SHOWN ARE NOT TO EXCEED VALUES.
PUBLISHED PART LOAD DATA MAY REQUIRE ENGINE ADJUSTMENT.
10) MEASURED BETWEEN AFTERCOOLER OUTLET AND PLENUM ENTRY.
11) TIMING INDICATED IS FOR USE WITH A MINIMUM FUEL METHANE NUMBER SPECIFIED. CONSULT THE APPROPRIATE
FUEL USAGE GUIDE FOR TIMING AT OTHER METHANE NUMBERS.
DM5442-00 Jun-01
COMBINED
GAS ENGINE TECHNICAL DATA