API 610, 11 edition, Sep. 2010
API 610 is a standard for centrifugal pumps for petroleum, petrochemical and natural gas industries.
This standard is the most reputable and strictest standard in the field of centrifugal pumps manufacturing but not in all the industries.
This standard has the important advises for designing, construction, inspection and selecting of centrifugal pumps for using in petrochemical, refinery and oil and gas processing.
You could download API 610 at below. Please click on API Photo.
One of the best API pump manufacturer in the world is Sulzer.
The European Standard EN ISO 5199 : 2002 has the status of a British standard.
ISO 5199 is the standard for manufacturing of the general services centrifugal pumps.
This standard is the most popular and the most practical standard in all over the world because the most manufacturers adhere to this standard. ISO 5199 has some advices the same of API 610, about designing, construction, inspection and selecting of centrifugal pumps for using general services.
but in oil and gas API standard is the most practical standard.
This standard is for pump’s dimensions.
All of the pumps that are a ccording to ISO 5199, shall be constructed in compliance with ISO 2858.
So all the pumps comply with ISO 5199 regardless of manufacturer’s name, have the capability of replacing with each other.
ISO 3661 is for foundation’s dimensions of pumps comply with ISO 5199.
So all the skids and foundations of pumps related to ISO 5199 regardless of manufacturer’s name can be replaced with each other.