Api 610 12th Edition Pdf

The 11th Edition's 20-year design life and 3-year uninterrupted operation requirements were removed. Manufacturers must now advise in their proposals of any components designed for a finite life Field Proven Model: Equipment must now be "field proven" as defined by the purchaser. The standard references API RP 691

For pumps operating in parallel with discharge nozzles larger than 3 inches (80 mm), head values must now be within 3% of each other in the preferred operating region to ensure stability. api 610 12th edition pdf