Net distance between the two pumps outside the small pump
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In the arrangement of pumps, it is required that, except for the small pumps installed on a common foundation, the clear distance between two pumps should not be less than 0.7 m； What constitutes a small pump? A certain company defines it as follows: small gear pumps, plunger pumps, and proportional pumps can serve as a common basis. What about centrifugal pumps and reciprocating pumps?
Centrifugal pumps and reciprocating pumps do not belong to the category of small gear pumps, plunger pumps, or proportional pumps; therefore, they should not be installed on a common base, with a clear distance between the two pumps of at least 0.7 meters. .
I once saw a company’s document stating that for pumps with an import/export diameter of DN100 or less, a combined foundation can be used. The file cannot be found.