Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification1 Scope 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

645σR of the measured value and a 95 % confidence that it lies within the range ±1

this method of test is applicable to industrial equipment where dust is present as a cloud for a short time

Comparison-related terms

Why should you use BS EN 12312-16 - Air start equipment

you can easily attain specific levels of competency with regards to Lean & Six Sigma to enhance the process

terms relating to fusion welding (welding without pressure)

BS EN 786 provides users guidance on safety requirements

2 Additional recommendations for all toilets

Test results

2 AnnotationText [optional]

Who is BS EN 10277 - Bright steel products for

BS EN 12163 outlines all the requirements for the right composition and mechanical properties of materials