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Home > Products > Diesel Loco Components > Nozzle cooling sleeve


Nozzle Cooling Sleeve is fitted in middle of cylinder head of ALCO diesel engines of WDM2, WDM3 & WDS6 locos of Indian Railways. Outside surface is surrounded by cooling water whereas in inner conical portion seats injector with almost matching profile of inside of sleeve. We have been supplying the sleeves to Indian Railways for past 3 decades and would have supplied maximum quantity in India.

The sleeves are manufactured from severely tested SS304 pipes with controlled wall thickness cut to size, formed and machined after solution annealing. Machining is done on SPMs suitably modified from traditional lathes to suit requirements of machined dimensions and production rates and assurance of zero defect by our veteran quality team.

Due heat treatment ensures that sleeves withstand severe thermal stresses generated during operation and do not fail by developing cracks after prolonged usage.



Diesel Locomotive

Apollo stands a record in supply of reliable diesel locomotive components like fuel injection tube assembly, fuel oil line, lube oil line, nozzle cooling sleeve for indigenously made ALCO locomotives, shunting locomotives with MAK -23 engine and other locomotives of design similar to General Motor locomotives manufactured by Indian Railways.

Do you want to develop new diesel engine components?

With a core technical expertise in precision machining & tube drawing, Apollo has developed many diesel locomotive components.Apollo has been the first company in india to locally indigenize the imported diesel engine components.we alway give priority to new component development & steady supply.