EN 4557:2003
Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Tees nipples, welded end; Inch series

Standard No.

EN 4557:2003

Release Date

2003

Published By

European Committee for Standardization (CEN)

Latest

EN 4557:2003

Scope

This standard specifies the characteristics of welded tees with nipple for inch series pipe couplings, 37° spherical, in heat resisting steel, for aerospace applications.Nominal pressure:Class D per ISO 6771

EN 4557:2003 history

• 2003 EN 4557:2003 Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Tees nipples, welded end; Inch series