This standard specifies the single-hole orifice plate type calibration nozzle specified in JIS D 3637-1 and flow measurement equipment for the orifice plate of the holder assembly for testing and adjusting fuel injection pumps for automobile diesel engines on test equipment. and jigs.
JIS D 3637-2:2003 history
2003JIS D 3637-1:2003 Road vehicles -- Diesel fuel injection equipment testing -- Part 1: Calibrating nozzle and holder assemblies