I have a vertical in-line pump supported by a base plate bolted in a foundation. The pump is subjected to loads and moments in the nozzles greater than twice the allowables give in the table 4 of the Standard API 610.

In the annex F, numeral F2 “Vertical In-Line Pumps” [API 610] says textually: “Vertical in-line pumps that are supported only by the attached piping”.

Can I apply the Annex F numeral F2 criteria to my pump? Or what criteria I have to apply?

Since your pump is not supported ONLY by piping I would say that F.2 does not apply. However, look at the most recent interpetation in API 610 there may be some help there.

Question If a pump vendor supplies a pump with API 610 specification and higher nozzle allowable loads (two times or three times higher) than those per Table 4 (T4). Is it acceptable to use the vendor allowable loads in Clause F.1.2 to satisfy all the conditions in F.1.2 a) through F.1.2. c) in Equations F.1, F.2, F.3, F.4 and F.5 instead of the Table 4 values when an Annex F calculation is performed?

Answer Yes

So if the vendor has allowed greater then table 4 loads you can then apply the criteria in appendix F to the pump

Thank you Mr for the answer. If the clause F1.2 apply only for Horizontal Pumps, this clause is useless too for my case. Therefore, I can use only the allowable forces and moments multiplied by 2, like the clause 5.5.2 say.