UNI EN ISO 8434-1 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
   4.1 General
   4.2 Connector bodies
   4.3 Nuts
   4.4 Cutting rings
   4.5 O-rings
5 Pressure/temperature requirements
6 Designation of connectors
7 Requirements for tubes
8 Across-flats dimensions and tolerances
9 Design
   9.1 Connectors
   9.2 Dimensions
   9.3 Passage tolerances
   9.4 Angular tolerances
   9.5 Contour details
   9.6 Ports and stud ends
   9.7 Stud end sealing
10 Screw threads
   10.1 Cone ends and nuts
   10.2 Stud ends (connection ends)
11 Manufacture
   11.1 Construction
   11.2 Workmanship
   11.3 Finish
   11.4 Corners
12 Assembly instruction
13 Procurement information
14 Marking of components
15 Performance and qualification test
   15.1 General
   15.2 Repeated assembly test
   15.3 Proof test
   15.4 Burst pressure test
   15.5 Cyclic endurance (impulse) test
   15.6 Vibration test
   15.7 Leakage (gas) test
   15.8 Overtightening test
16 Identification statement (reference to this part of ISO 8434)
Bibliography

Describes the general and dimensional requirements for 24 degree cone connectors using cutting ring and O-ring seal cone (referred to as DKO) suitable for use with ferrous and non-ferrous tubes with outside diameters from 4 mm to 42 mm inclusive.