Hose Design Family
Hose assemblies of different internal diameters and working pressures with the same number of reinforcing plies and utilizing the same method of hose coupling attachment and designed to the same design methodology and maximum allowable stress criteria.
Source: API SPEC 7K, Drilling and Well Servicing Equipment Upstream Segment, Fifth Edition, June 2010 (August 2010). Global Standards
Source:API SPECIFICATION 7K, Drilling and Well Servicing Equipment, Sixth Edition, December 2015. Global Standards