ISO 10816-7 is the international standard for evaluating mechanical vibration rotatable pumps
Because ISO standards are protected by copyright, they are generally not available for free legally. You can obtain the official PDF through these authorized channels: iso 10816-7 pdf download
ANSI/HI 9.6.4 (Hydraulic Institute) references ISO 10816-7 and provides very similar vibration limits in a more pump-specific format. HI standards are sometimes easier to access. ISO 10816-7 is the international standard for evaluating
(the latest version) is titled: "Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 7: Rotodynamic pumps for industrial applications, including measurements on rotating shafts." iso 10816-7 pdf download
ISO 10816-7 is an internationally recognized standard titled: “Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts — Part 7: Rotodynamic pumps for industrial applications, including measurements on rotating shafts.”