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Standards Development
This document specifies general and dimensional requirements for the design and performance of 37° flared connectors that are suitable for use with ferrous and non-ferrous tubes with outside diameters from 4 mm to 50,8 mm, inclusive. These connectors provide full-flow connections with metal-to-metal sealings. These connectors are for use in fluid power and general applications within the limits of pressure and temperature specified in this document.
They are intended for the connection of tubes and hose fittings to ports in accordance with ISO 6149‑1, ISO 1179‑1, ISO 9974‑1 and ISO 11926‑1. (See ISO 12151‑5 for related hose fitting specification.)
NOTE 1 For new designs in hydraulic fluid power applications, see the requirements given in 9.7. Where the requirements of the application allow for the use of elastomeric seals, connector designs that conform to International Standards and incorporate elastomeric sealing are preferred.
NOTE 2 For use under conditions outside the limits for pressure or temperature, or both, see 5.4.
Both metric and inch tubing can be accommodated by changing the sleeve (see Figure 9). In the past, these connectors have been used predominantly with inch tubing. For new and future designs, the use of metric tubing is preferred.
This document also specifies performance and qualification tests for 37° flared connectors.
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