
Fuel injector inserts for production series 18-pot injector head. The top row shows the injector face, second row shoes the same types from the rear. The lowermost insert have been halved to reveal the cavity shape, orifice edge, inlet and cooling apertures. Note that the insert in column A, 2131E, is two piece construction, and pressed together for assembly (see additional photo). On test, the parts had to remain together under a separation force of 300kg.
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