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SAE J1999_199804

Заменен
Internal Combustion Engines—Piston Rings—Scraper Rings
Differences, where they exist, are shown in Appendix A. This SAE Standard specifies the essential dimensional features of N, NM, E, and EM scraper piston ring types. Dimensional Tables 7 and 8 offer the choice of two radial wall thicknesses:
  1. a Radial wall thickness "regular" (Table 7)
  2. b Radial wall thickness "D/22" (Table 8)
The requirements of this document apply to scraper rings for reciprocating internal combustion piston engines up to and including 200 mm diameter. They may also be used for piston rings of compressors working under similar conditions.
Тематика
Engine mechanical components
Pistons
Parts
Spark ignition engines
Tests and Testing