Operating pumps without a vibration standard leads to:
No legitimate source offers the full standard for free. However, the ISO website often provides a free "preview" (first few pages). For the complete, legally usable PDF, you must purchase it. iso 10816-7 pdf download
ISO 10816-7 classifies vibration levels into four "evaluation zones": Operating pumps without a vibration standard leads to:
(Screenshot placeholder: Page showing vibration zone table for pump bearing housings) legally usable PDF
ResearchGate hosts papers that include data tables for allowable vibration levels according to this standard.