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WP12C350NG Series Water Cooling Weichai Marine Gas Engine

Brand: Weichai
Cooling type: Sea water
Cylinder No.: 6
Displacement: 11.596
Power: 258/350 (Main engine);200/272 (Auxiliary engine)
Speed: 2000/1500rpm
Gas pressure: ≥0.8MPa

Product Description

WP12C350NG Series Weichai Marine Gas Engine

Model WP12C350NG
Type In line, water cooling, dry cylinder sleeve,
turbocharged and intercooled, electric single point injection,
spark plug ignition, lean combustion
Number of Cylinders 6
Cylinder Diameter/Distance(mm) 126/155
Displacement (L) 11.596
Powe r(kW/ps) 258/350 (Main engine) 200/272 (Auxiliary engine)
Speed (r/min) 2000 1500
Maximum Torque (N.m) / Speed(r/min) 1450/1400
Idling speed (r/min) 700±50
Highest Speed (r/min) 2400
Minimum Fuel Consumption (g/kW.h) ≤195
Ignition Order 1-5-3-6-2-4
Cold Valve Clearance (mm) Intake valve 0.3, Exhaust valve 0.4
Start Mode Electric start
Oil Brand Special natural gas oil
Turbo Rear Temperature (℃) ≤530
Intake after Intercooling Temperature (℃) 50±5
Net Weight (kg) 950
Exhaust Back Pressure (KPa) Exhaust back pressure of 150mm to exit of supercharger is less than 15kPa.
Oil Consumption (g/kW.h) ≤1
Cooling Mode Water-cooling forced circulation
Oil Pressure (kPa) 350~550
Idling Oil Pressure (kPa) 100~250
Noise of 1m (dB(A))<95
Allowed Trim (°) Flywhell end/ fan end Short-term 30/30, long-term 10/10
Allowed Heel (°) Exhaust pipe side/ injection valve side Short-term 45/30, long-term45/15
Rotation Direction of Crankshaft (seen from the free end) Clockwise
Air Requirements Gas weight GB18047 12T in Vehicle Compressed Natural Gas
Temperature Entrance gas temperature -40℃—40℃
Gas pressure Entrance gas temperature ≥0.8MPa


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