CEN/TC 342 - Metal hoses, hose assemblies, bellows and expansion joints

This document specifies the requirements for design, manufacture and installation of corrugated metal hose assemblies for pressure applications, i.e. maximum allowable pressure PS greater than 0,5 bar.

This document specifies the requirements for design, manufacture and installation of metal bellows expansion joints with circular cross section for pressure applications with maximum allowable pressure greater than 0,5 bar.

This document defines current terms concerning metal hoses, metal hose assemblies and component parts.
This document applies to:
a)   stripwound metal hoses and hose assemblies;
b)   corrugated metal hoses and hose assemblies.
NOTE 1  These hoses can be used braided, covered or lined.
NOTE 2  Equivalent terms in English, French, German and Dutch are given in Annex A.

This European Standard specifies general requirements for material, design, manufacture, testing, marking and documentation of corrugated metal hose assemblies for gas of diameter up to DN 300 for gases of the 2nd and 3rd families according to EN 437.
This European Standard applies to:
Corrugated metal hose assemblies for gas for the supply of combustible gas and having a maximum operating pressure (MOP) less than or equal to 16 bar.
This European Standard does not apply to:
-   corrugated metal hose assemblies for gas for engines including turbines and internal combustion engines as stated by Pressure Equipment Directive 97/23/EC;
-   corrugated metal hose assemblies for the connection of domestic appliances using gaseous fuels according to EN 14800;
-   corrugated metal hose assemblies for gas buried in earth;
-   corrugated metal hose assemblies with non permanent detachable end fittings;
-   stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar (EN 15266).
Users of this European Standard should take into account national standards and existing code of practice in the country of destination.

ISO 10380:2012 specifies the minimum requirements for the design, manufacture, testing and installation of corrugated metal hose and metal hose assemblies.

This European Standard specifies the requirements for material, design, manufacture, testing, marking and documentation of stainless steel pliable corrugated gas tubing kits for buildings with a maximum operating pressure (MOP) less than or equal to 0,5 bar and a nominal size range from DN 10 to DN 50.
This document applies to stainless steel pliable corrugated gas tubing kits used for 1st, 2nd and 3rd family gases in residential, commercial and industrial gas installations.
This document does not apply to:
   pliable tubing without cover;
   corrugated safety metal hose assemblies for connection to moveable appliances.
This document does not cover the installation aspects of stainless steel pliable corrugated gas tubing kits.

This European Standard specifies the requirements of performance, the material and the test methods of corrugated flexible safety metallic hose assemblies for the connection of domestic appliances, in order to achieve save operation.
The corrugated metal gas hose assemblies according to this European Standard are suitable for the connection of domestic appliances inside or outside a dwelling, using gas at a pressure lower than 0,5 bar.

ISO 15465:2004 specifies the requirements for the design, manufacture and testing of four principal types of stripwound metal hose and hose assemblies, of which only one type is for pressure applications. The four are: single overlap, unpacked and packed; double overlap, unpacked and packed, the last of these having maximum permissible pressures of up to 40 bar.
These hoses and hose assemblies may be supplied in nominal sizes from DN 6 to DN 500 and may operate at temperatures up to 600 °C dependent on materials of construction.

ISO 10806:2003 specifies the characteristics of fittings for corrugated metal hose conforming with the requirements of ISO 10380.
ISO 10806:2003 is also valid for other fittings provided they meet the material, design, assembly and test requirements specified herein.

Specifies the design characteristics of corrugated flexible metallic hose which can be used to protect electrical wire and cable in explosive atmospheres or atmospheres where there is a risk of fire. These hoses can be used as static protection or for the protection of cables moved infrequently, occasionally, or less than once week. Also provides instructions for the use of these hoses and the tests required for type approval.

This document specifies the requirements for design, manufacture and installation of metal bellows expansion joints with circular cross section for pressure applications with maximum allowable pressure greater than 0,5 bar.

This document specifies the requirements for material, design, manufacture, testing, marking and documentation of stainless steel pliable corrugated gas tubing kits for gas installation pipework with a maximum allowable pressure (PS):
-   less than or equal to 0,5 bar within a nominal size range from DN 10 to DN 50 (class 1); and
-   less than or equal to 2 bar within a nominal size range from DN 10 to DN 25 (class 2).
This document applies to stainless steel pliable corrugated gas tubing kits used for 1st, 2nd and 3rd family gases (see EN 437) in residential, commercial and industrial gas installations to be installed outdoors or indoors at a temperature range from –20 °C to +60 °C.
This document does not apply to:
-   pliable tubing without cover;
-   corrugated safety metal hose assemblies for connection to moveable appliances.
NOTE   This document does not cover the installation aspects of stainless steel pliable corrugated gas tubing kits.

This Technical Report provides guidance on the design of corrugated metal hose assemblies for pressure applications, i.e. maximum allowable pressure PS greater than 0,5 bar. Allowable stresses are consistent with the requirements of the Pressure Equipment Directive 2014/68/EU.

This Technical Report gives guidance for:
the implementation of EN 14585-1 by proposing a procedure to place these pressure hose assemblies on the market;
appropriate conformity assessment procedures as described in the annex III of the EU Directive 97/23/EC for Pressure Equipment [1].

This European Standard specifies the requirements for material, design, manufacturing, testing and documentation for corrugated metal hose assemblies for pressure applications for use with a maximum allowable pressure PS greater than 0,5 bar.

This European Standard specifies the requirements for design, manufacture and installation of metal bellows expansion joints for pressure applications, i.e. maximum allowable pressure greater than 0,5 bar.

ISO 7369:2004 defines current terms concerning metal hoses, metal hose assemblies and component parts. It applies to:
stripwound metal hoses and hose assemblies;
corrugated metal hoses and hose assemblies.

ISO 10380:2002 specifies the requirements for the design, manufacture and testing of corrugated metal hoses and hose assemblies for general purposes.
It also specifies sizes from DN 4 to DN 300, pressures from PN 0,5 to PN 250, pressure derating factors for elevated temperatures, two methods of construction and three types of flexibility of hose assembly.

This European Standard specifies the requirements for design, manufacture and installation of metal bellows expansion joints for pressure applications, i.e. maximum allowable pressure greater than 0,5 bar.