General-purpose, Extruder, and Epicyclic Gear Units for Petroleum, Chemical, and Gas Industry Services, Fourth Edition
NORMA vydána dne 1.9.2021
Designation standards: API STD 677
Publication date standards: 1.9.2021
The number of pages: 188
Approximate weight : 595 g (1.31 lbs)
Country: American technical standard
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