The , titled "Standard for Centrifugal Pumps for Petroleum, Petrochemical, and Natural Gas Industries," was released in January 2021 . This update replaces the 11th edition from 2010 and introduces significant shifts in equipment reliability, safety, and operational standards while officially ending co-branding with ISO 13709 . Key Strategic Updates
: Gusseting for drain and vent piping sizes NPS 1 (DN 25) and smaller is now mandatory (previously a purchaser option) to improve mechanical rigidity and prevent fatigue failures. api 610 12th edition pdf
(such as drains and vents) is now mandatory in two orthogonal planes to increase rigidity and prevent small-bore piping failures. Vertical Pump NPSH Datum: The , titled "Standard for Centrifugal Pumps for