NEN EN 1736 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Applications
5 Materials
6 Pressure requirements
7 Permeability of non-metallic flexible tubes
8 Internal cleanness, internal humidity and
      permeability of water vapour
9 End connections
10 Pre-charged flexible pipe elements
11 Marking
12 Documentation
Annex A (informative) Literature

Explains requirements, design and installation of flexible pipe elements (e. g. metallic flexible pipe, metallic flexible tube, vibration isolator, expansion joint) and non-metallic tube used in the refrigerant circuits of refrigerating systems and heat pumps. It also describes the requirements to qualify the tightness of non-metallic tubes (e.g. plastic) used in evaporating and/or condensing sides of refrigerating systems and heat pumps.