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SAE J968-2 1991 Edition, May 1, 1991
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Diesel Injection Pump Testing - Part 2: Orifice Plate Flow Measurement
Includes all amendments and changes through Reaffirmation Notice , September 2015
Page Count:6
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AIA/NAS Aerospace Standards
This part of SAE J968 specifies the flow measuring system, including the fixture, to be used for flow testing the single hole orifice plates used in an orifice plate type nozzle and holder assembly (described in SAE J968-1) which is intended for testing and setting diesel fuel injection pumps on test benches.

The flow measuring system and fixture ensure accurate flow testing of the entire range of orifices from 0.4 to 0.8 mm diameter as specified in SAE J968-1. It is intended primarily for use by the manufacturers of single hole orifice plates.