Milton CAT G3412 450 kW Continuous 375 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 690 518 345
ENGINE EFFICIENCY (1) % 34.7 33.0 29.8
THERMAL EFFICIENCY (5) % 50.9 53.0 56.9
TOTAL EFFICIENCY (6) % 85.6 86.0 86.7
ENGINE DATA
FUEL CONSUMPTION (1) btu/bhp-hr 7340 7704 8530
AIR FLOW (WET) lb/hr 4869 3654 2493
AIR FLOW (WET) scfm 1062 797 544
COMPRESSOR OUT PRESS. in. Hg (abs) 57 54.5 45.6
COMPRESSOR OUT TEMP. °F 242 225 188
INLET MAN. PRESS. in. Hg (abs) 52.9 40.2 28.1
INLET MAN. TEMP. (10) °F 146 142 135
TIMING (11) °BTDC 20 20 20
EXHAUST STACK TEMP. °F 936 918 918
EXHAUST FLOW (@STACK TEMP) (WET) cfm 3124 2316 1591
EXHAUST FLOW (WET) lb/hr 5121 3853 2639
EMISSIONS
NOx (as NO2) (9) g/bhp-hr 21.7 21.3 20.9
CO (9) g/bhp-hr 1.5 1.6 1.5
THC (9) g/bhp-hr 1.4 1.6 1.9
NMHC (9) g/bhp-hr 0.21 0.24 0.29
EXHAUST O2 (DRY) % 4.0 3.0 1.6
LAMBDA 1.21 1.15 1.07
HEAT BALANCE DATA
LHV INPUT (1) btu/min 84410 66450 49050
HEAT REJ. TO JACKET (2) (7) btu/min 29213 25162 20964
HEAT REJ. TO A/C (3) (8) btu/min 2127 1378 601
HEAT REJ. TO ATMOSPHERE (4) btu/min 3376 2658 1962
HEAT REJ. TO EXH.(LHV to 77°F) (2) btu/min 20431 15306 10892
HEAT REJ. TO EXH.(LHV to 350°F) (2) btu/min 13741 10049 6928
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.
DM5445-00 Jun-01
COMBINED
GAS ENGINE TECHNICAL DATA