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ARP1676 - Recommended Formulae for Determining Drop Dimensions for Simple-Bend Tube Fittings With Flared and Flareless End Connections Used in Aerospace Applications

Details
Document Number: ARP1676
Revision Number:
Title
Recommended Formulae for Determining Drop Dimensions for Simple-Bend Tube Fittings With Flared and Flareless End Connections Used in Aerospace Applications
Scope
These formulae shall be used to determine drop dimensions for simple bend tube fittings utilizing flare and flareless end connection designs from 0 ° to 90° used in aircraft and aerospace applications. Individual design standards shall specify parameters, such as centerline bend radius (R), straight tangent length to accommodate bending equipment (X1 and X2), and nut to be used.
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