General-purpose, Extruder, and Epicyclic Gear Units for Petroleum, Chemical, and Gas Industry Services, Fourth Edition
NORMA vydána dne 1.9.2021
Označení normy: API STD 677
Datum vydání normy: 1.9.2021
Počet stran: 188
Přibližná hmotnost: 595 g (1.31 liber)
Země: Americká technická norma
Kategorie: Technické normy API
This standard covers the minimum requirements for general-purpose, enclosed single and multistage gear units incorporating parallel shaft spur, and helical gears for use in the petroleum, chemical, and gas industry services. General-purpose and extruder gears manufactured according to this standard are limited to pitch line velocities that do not exceed 60 m/s (12,000 ft/min). See more