Priya Enterprises


Expansion Engine


Expansion Engine

Specifications

Feature Fine Finished, High Performance, Low Maintenance
Fuel Diesel
Automatic Grade Automatic
Power 100-150hp, 150-200hp
Driven Type Electric
Warranty 3year

The expansion engine is a vertical single acting, reciprocating type of engine which plays the most important role in cooling. The air enters the Expansion Engine, where it is expanded from 40 kg/cm2 to 5 kg/cm2. When the air expands rapidly the temperature drops to –1500C. 

 

The Expansion Engine consists of three major units.

 

Drive Unit

The drive unit is similar to any reciprocating machine with usual parts, such as, crank case, crankshaft, connecting rod, crosshead, etc. The Expansion Engine has an extended crankshaft enabling the accommodation of the cam box. The moving parts are lubricated through a hole in crankshaft. Oil scrapper rings are provided to prevent oil escape to cylinder unit.

 

Cylinder Unit for Air Expansion

The cylinder unit that handles the process air, consists of cylinder, piston, inlet and outlet isolation valve assemblies. The ball valves are actuated mechanically by a push rod as per the timing transmitted by the cam. The push rods are housed in a stuffing box to avoid air leakage and are actuated by the hydraulic system.

 

Hydraulic System 

The hydraulic system is the control system. The hydraulic oil is fed by a pump to:

  • Pressurized oil container for valve actuation
  • Lubricate crankshaft and drive and drive unit parts
  • Lubricate the rolled holders

 

We provide the following services to our clients

  • Supply of Expansion Engine.
  • Supply of OEM quality Expansion Engine spare.
  • Repair and maintenance of Expansion Engines.

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