M00001121
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ISO 13971 1st Edition, September 1, 2012 Refrigeration systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and nonmetallic tubes - Requirements and classification
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Availability date: 07/13/2021
Description / Abstract:
This International standard describes 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 and
permeability of non-metallic tubes (e.g., plastic) used in
evaporating and/or condensing sides of refrigerating systems and
heat pumps.
This International standard does not apply to flexible pipes
that are only occasionally stressed beyond the elastic limit (e.g.,
during repair work), or to joints that are free to rotate or
hinge.