ISO 22089:2009 establishes the general requirements for hydraulic Power Transfer Units (PTUs)ISO 22089:2009 covers uni-directional and bi-directional PTUs.ISO 22089:2009 is used in conjunction with the detail specification particular to each application.
Document identifier
ISO 22089:2009
Title
Aerospace - Hydraulic power transfer units - General specifications
ISO Category
TC 20/SC 10: Aerospace fluid systems and components