Engine Dimensions

Dimensions English
Units
Metric
Units
SFGLD 480
(60Hz)
Width (B) inch mm 53.8 (1,368)
Length (A) inch mm 123.7 (3,143)
Height (C) inch mm 68.4 (1,738)
Dry weight engine lb kg 12,015 (5,450)

Engine Noise dB(A) HZ (Frec. Band) SFGLD 480

1,200 1,800
125 66 70
250 70 84
500 76 84
1,000 81 88
2,000 80 89
4,000 73 83
LpA, â dB(A) 85 93

Exhaust Noise
HZ SFGLD 480
dB(A)
1,200 1,800
63 94 99
125 111 127
250 112 114
500 119 130
1,000 116 123
2,000 117 119
4,000 116 112
LpA, â dB(A) 124 136

Notes:
• Data obtained according to ISO 9614-2
• Data obtained @ 1 m from engine according to
LINE-EN ISO-11203-1996
• Maximum data standard deviations = +- 4 dB(A)

OPTIONAL FUELS: biogas, landfill gas,

sewage gas, flare gas, and other special
gases. Performance parameters of the GAS ENGINES
engine may be different than the ones
listed (based on natural gas) in this
brochure; please see note-2 on page 3.
Guascor SFGLD 480 ®

Lean Burn Gas Engine

For a complete list of products and services, visit www.dresser-rand.com or contact the following:
Dresser-Rand Holdings Spain, S.L.U. Corporate Regional
Barrio de Oikia, 44 Headquarters Headquarters
20759 Zumaia (Gipuzkoa) Spain
Dresser-Rand The Americas EMEA Asia-Pacific
PO Box 30
Tel: (Int’l +34) 943 86 52 00
Houston, TX 77042 USA West8 Tower, Suite 1000 (Europe, Middle East & Africa) Dresser-Rand Asia Pacific Sdn Bhd 898 HP (670 kW), 60 Hz at 1,200 RPM*
Fax: (Int’l +34) 943 86 52 10
Tel: (Int’l +1) 713-354-6100 10205 Westheimer Road Dresser-Rand S.A. Unit 9-4, 9th Floor 1,215 HP (906 kW), 60 Hz at 1,800 RPM*
Houston, Texas 77042 31 Boulevard Winston Churchill Bangunan Malaysian Re
Dresser-Rand Tel: (Int’l +1) 713-354-6100 Cedex 7013 17 Lorong Dungun
*with natural gas
Paris 75784 France Fax: (Int’l +1) 713-354-6110 Le Havre 76080, France Damansara Heights
Tel: (Int’l +33) 156 26 71 71 Tel: (Int’l +33) 2-35-25-5225 50490 Kuala Lumpur, Malaysia
Fax: (Int’l +33) 2-35-25-5366/5367 Tel: (Int’l +60) 3-2093-6633
Fax: (Int’l +60) 3-2093-2622
This brochure comprises a general overview of the Dresser-Rand products described herein. It is solely for informational purposes, does not represent a warranty or guarantee of the
information contained herein, and is not to be construed as an offer to sell or solicitation to buy. Contact Dresser-Rand for detailed design and engineering information suitable to your
specific applications. Dresser-Rand reserves the right to modify its products and related product information at any time without prior notice.

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Guascor® SFGLD 480 Gas Engine • Water-cooled exhaust manifolds Technical (for natural gas with min MN=75) 1)

Dresser-Rand supplies custom-engineered rotating

• One- or two-stage intercooling Notes
equipment solutions for the worldwide energy English Metric
Engine Parameters SFGLD 480
infrastructure, including oil, gas, petrochemical, power • Starting system – 24V DC starting system; two starters Units Units
1) For other MN consult
generation, and process industries. Our high-speed rotating on the Vee engines and one on the inline engines Speed rpm 8) 1,200 1,800 Dresser-Rand
equipment is also supplied to environmental markets within Engine power 2) bhp kWb 898 (670) 1,215 (906)
• Engine oil pre-lube pump and oil heater
the energy infrastructure. Backed by more than 45 years of 2) Engine performance data
Cylinder arrangement V16
experience, our Guascor® gas engines provide energy • Generator, 2/3 pitch, two bearings, temperature rise acc. to ISO 3046/1 (LHV
Mean effective pressure psi bar 203 (14.0) 183 (12.6)
solutions from a bare engine to a complete generation within 221 degrees F (105 degrees C), and precise volt- 38,500 KJ/mn3 - 970 Btu
plant. Guascor gas engines can use natural gases and a age and frequency regulation to 0.5% Bore inch mm 5.98 (152) 5.98 (152) SCF); for performance on
variety of biogases such as syngas, mine gas, sewage gas, Stroke inch mm 6.50 (165) 6.50 (165) alternate gases consult the
• Air / fuel ratio control – gas metering valve provides
and others, providing bioenergy solutions for wastewater Displacement cu.in Litres 2,921 (47.9) 2,921 (47.9) factory team
intelligent control, using engine intake temperature and
treatment plants, landfills and digestion plants. These gas Mean piston speed in/s m/s 260 (6.6) 390 (9.9)
pressure sensors; provides excellent emissions control 3) Assumes intake air flow at
engines cover a power range from 242 to 1,308 kWe and Compression ratio 11.6:1
and continuous adjustment for varying engine loads and delta T = 5ºC including
provide excellent installation solutions for co- and tri- Combustion air mass flow 2) 7,260 (3,293) 9,515 (4,316)
changes in gas supply conditions lbs/hr kg/h combustion air
generation configurations. These configurations represent
Packaged ventilation air flow 3) scfm m3/h 27,604 (46,900) 37,328 (63,420)
one of the best ways to reduce your energy costs and your • Electronic ignition – a microprocessor-based digital 4) Not including pipes and
Engine coolant capacity 4) gal. Litres 53 (200) 53 (200)
carbon footprint. ignition system optimizes engine combustion and perfor- heat exchangers
mance, as well as fuel efficiency and spark plug service Lube oil capacity 4) gal. Litres 52 (195) 52 (195)
Specifications Lube oil consumption 5) lbs/bhp.hr g/kWh 0.00058 (0.35) 0.00058 (0.35)
5) Mean lube oil consumption
life; an individual ignition coil is used for each cylinder
• Operating parameters – Otto Cycle, four-stroke between maintenance steps
and a detonation control system is included Energy Balance
engine turbocharged with lean burn operation
Jacket (HT) water heat Btu x 1,000/hr kW 1,772.1 (519) 2,455.0 (719) 6) With a tolerance of + 5 %
• Cooling system – two independent water cooling circuits
• Engine block – alloyed and heat treated cast iron; Oil (HT) cooler water heat Btu x 1,000/hr 259.5 (76) 303.9 (89)
for the main engine coolant and the secondary oil and 7) Lower emission engines
standard inspection ports for the crankshaft and
aftercooler circuits; various options available; may include Intercooler (LT) water heat Btu x 1,000/hr kW 112.7 (33) 167.3 (49) are available; consult
camshaft
mechanical or electric engine coolant pumps, a shell and Exhaust heat - cooled to 248 °F (120 °C) Btu x 1,000/hr kW 1,017.5 (298) 1,570.6 (460) Dresser-Rand for
• Flywheel housing – 18-inch with ring gear tube main circuit heat exchanger. Engine radiation heat Btu x 1,000/hr kW 68.3 (20) 99.0 (29) performance data

• Cylinder liners – spun cast grey pig iron; liners cooled by Benefits Fuel consumption 6) Btu x 1,000/hr kW 5,872.8 (1,720) 8,153.6 (2,388) 8) Please consult with factory
main engine coolant circuit and removable for easy • State-of-the-art technology with high efficiencies Mechanical efficiency % 39.0 37.9 team for other speeds (rpm)
service System Parameters available
• Low initial and operating costs
• Cylinder heads – individual cylinder heads grey cast iron; Jacket (HT) water temperature max. °F °C 194 (90) 194 (90) - Data is for continuous
• Fuel flexibility: Can be designed to handle different gas Jacket (HT) water flow rate min. gpm m3/hr 220 (50) 352 (80) rating, at sea level, and at
heads are water-cooled with four valves per cylinder and
fuels an ambient temperature of
a centered spark plug Intercooler stages Double
• Designed for intensive use (continuous duty) Intercooler (LT) coolant temperature max. °F °C 131 (55) 131 (55) 77ºF (25ºC)
• Crankshaft – press forge hardened and tempered alloy
steel; crankshaft dynamically balanced; two vibration • Capable of working with variable loads Intercooler (LT) coolant - Data for special gas and
gpm m3/hr 79/132 18/30 110/132 25/30
dampeners on the Vee engines and one on inline engines flow rate min. dual gas operation available
• Robust design to operate under severe conditions on request
• Camshaft – alloy steel, induction hardened, gear-driven Exhaust manifold type Wet
• High operational availability - The values given in this data
Exhaust temperature °F °C 739 (393) 824 (440)
• Connecting rods – forged, hardened, tempered alloy steel sheet are for information
• Easy maintenance Exhaust mass flow wet lbs/hr kg/h 7,538 (3,419) 9,899 (4,490)
• Pistons – aluminum alloy with three rings and a specially Exhaust back-pressure max. psi mbar 0.65 (45) 0.65 (45) purposes only and not
• Exchangeable standard engine parts (cylinder heads, binding
designed combustion chamber shape for maximum Maximum pressure loss
valves, etc.)
efficiency and minimum emissions; pistons cooled using psi mbar 0.073 (5) 0.073 (5)
oil jets directed at the underside of the piston • Strong distribution network for spare parts and engine in front of air cleaner
service Fuel pressure range psi mbar 0.73 - 3.48 (50 - 240)
Starter battery 2x12 V, capacity required Ampere-hour 280
Emissions 7)

NOx g/bhp.hr <2 <2

CO g/bhp.hr < 1.8 < 1.8
THC (in C1 base) g/bhp.hr < 3.5 < 3.5
NMHC (in C1 base) g/bhp.hr < 0.7 < 0.7