I am checking the NPSHA relation with the data, included in the Mechanical datasheet of pump, which is used in a petrochemical site.
the NPSHA=8.7 m is insisted in the datasheet, but the Psuc is
Psuc,norm=2.16 bara,
Psuc,max=2.18 bara
Psuc,min=1.06 bara
Psuc,des=2 barg
Pump design...