This standard specifies the characteristics of straight unions for inch series pipe couplings, 37°, spherical, in heat resisting steel, for aerospace applications. Connect with fluid system component with port connection in accordance with prEN 4550-3. Nominal pressure : Class D in accordance with ISO 6771
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
ASD prEN 3468:1988
EN 2424:2008 Aerospace series - Marking of aerospace products
EN 3487:2007 Aerospace series - Steel FE-PA3601 (X6CrNiTi18-10) - Air melted - Softened - Bar for machining - a or D = 250 mm - 500 MPa = Rm = 700 MPa
ASD prEN 3468:1988
EN 2424:2008 Aerospace series - Marking of aerospace products
EN 3487:2007 Aerospace series - Steel FE-PA3601 (X6CrNiTi18-10) - Air melted - Softened - Bar for machining - a or D = 250 mm - 500 MPa = Rm = 700 MPa
EN 4550-1:2014 Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 1: Male sealing ends, spherical
EN 4550-2:2003 Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 2: Port ends
EN 4550-3:2003 Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 3: Port connections
EN 4560:2015 Aerospace series - Pipe coupling 37°, spherical up to 21 000 kPa - Inch series - Technical specification
ISO 3161:1999 Aerospace -- UNJ threads -- General requirements and limit dimensions
ISO 6771:1987 Aerospace -- Fluid systems and components -- Pressure and temperature classifications