Russia Diesel Parts

Locomotive Diesel Engine 6ЧН 21/21 Nozzel

6ЧН 21/21 Nozzel
The 6Ch21/21 is a model designation for a fuel injection nozzle used in Russian-made diesel engines.
Quantity
Contact Now
Description
Big dimension nozzle: 8*0.38*145mm
 
Small dimension Nozzle: 8*0.4*140mm
 
Key Characteristics:
Application: It is primarily designed for use in various Russian and Soviet-era diesel engines. A common application is in the YaMZ-238 series of engines, which are widely used in: Industrial and marine machinery.

Type: It is a closed-type, multi-hole nozzle. 

Closed-type: The needle valve seals the nozzle tip when injection is not occurring, preventing fuel drip into the combustion chamber.

Multi-hole: The tip has multiple precisely machined holes (orifices) that atomize the fuel into a fine spray pattern optimized for efficient combustion in the engine's cylinder.

Operation: It is a hydraulically actuated mechanical injector. It opens at a specific, pre-set injection pressure created by the engine's fuel injection pump.