1 Scope
This document specifies the minimum requirements for the design, manufacture and testing of centrifugal pumps for cryogenic service.
This document does not apply to reciprocating pumps.
This document also gives guidance on the design of installations.
It does not specify requirements for operation or maintenance.
NOTE For general requirements for materials used in cryogenic fluid service, see ISO 21029-1 , ISO 20421-1 or ISO 21009-1 .