BS ISO 22436:2018 pdf download

BS ISO 22436:2018 pdf download

BS ISO 22436:2018 pdf download.Aerospace series — Pipe coupling 8°30′ — Thread end — Geometric configuration
1 Scope
This document specifies the characteristics of the thread end for 8°30′ pipe couplings, nominal pressure up to 28 000 kPa, for aerospace applications.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2491, Aerospace series — Molybdenum disulphide dry lubricants — Coating methods
ISO 5855-3, Aerospace — MJ threads — Part 3: Limit dimensions for fittings for fluid systems
ISO 8788, Aerospace — Nuts, metric — Tolerances of form and position
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at
— ISO Online browsing platform: available at
4 Required characteristics
4.1 Configuration — Dimensions
4.1.1 General
Dimensions are in millimetres.
Dimensions and tolerances apply before lubrication. Threads and sealing face shall be lubricated according to EN 2491.
4.1.2 Form B
According to Figure 1 and Table 1.
4.1.3 Form C to L
According to Figures 2 to 10 and Tables 1 and 2.
4.2 Surface roughness
According to Figures 1 to 10.