09/30175820 DC : 0

Superseded

BS ISO 22621-5 - PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 2 MPA (20 BAR) - POLYAMIDE (PA) - PART 5: FITNESS FOR PURPOSE OF THE SYSTEM

Available format(s)

Hardcopy , PDF

Superseded date

31-05-2010

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
4 Fitness for purpose
  4.1 Method of preparation of assemblies for testing
      4.1.1 General
      4.1.2 Butt fusion joints
      4.1.3 Electrofusion jointing
  4.2 Requirements for fitness for purpose
      4.2.1 Fitness for purpose for butt fusion joints
      4.2.2 Fitness for purpose for electrofusion joints
      4.2.3 Fitness for purpose for transition fittings
5 Overall service (design) coefficient
Annex A (normative) - Preparation of test assemblies by
        butt fusion
  A.1 Scope
  A.2 Symbols
      A.2.1 Symbols used in more than one phase
            of the fusion-jointing cycle
      A.2.2 Joint geometry
      A.2.3 Ambient temperature
      A.2.4 Butt-fusion cycle parameters
  A.3 Pipes used for test assemblies
  A.4 Conditioning
  A.5 Apparatus
  A.6 Jointing procedure
  A.7 Butt-fusion cycle and parameters
Annex B (normative) - Preparation of test assemblies by
        electrofusion
  B.1 Scope
  B.2 Terms and definitions
  B.3 Symbols
      B.3.1 General symbols
      B.3.2 Clearances
      B.3.3 Ambient temperature
      B.3.4 Determination of fusion-jointing electrical
            parameters
  B.4 Joint assembly
      B.4.1 General
      B.4.2 Procedure
  B.5 Diagrammatic representation of variation in fusion
      energy with ambient temperature
Annex C (normative) - Test methods for the assessment of
        fitness for purpose of transition fittings
  C.1 Test pieces
  C.2 Conditioning and test conditions
  C.3 Leaktightness testing
  C.4 Tensile pull testing
  C.5 Temperature cycling testing
  C.6 Tensile testing under constant tensile load at 80
      degree C
Annex D (normative) - Derating coefficients for operating
        temperatures

Committee	PRI/88/2
DocumentType	Draft
Pages	30
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 22621-5:2010

ISO 22621-2:2007	Plastics piping systems for the supply of gaseous fuels for maximum operating pressures up to and including 2 MPa (20 bar) Polyamide (PA) Part 2: Pipes
ISO 13953:2001	Polyethylene (PE) pipes and fittings — Determination of the tensile strength and failure mode of test pieces from a butt-fused joint
ISO 22621-3:2007	Plastics piping systems for the supply of gaseous fuels for maximum operating pressures up to and including 2 MPa (20 bar) Polyamide (PA) Part 3: Fittings
ISO 1167-4:2007	Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 4: Preparation of assemblies
ISO 6259-1:2015	Thermoplastics pipes Determination of tensile properties Part 1: General test method
ISO 13954:1997	Plastics pipes and fittings Peel decohesion test for polyethylene (PE) electrofusion assemblies of nominal outside diameter greater than or equal to 90 mm
ISO 13955:1997	Plastics pipes and fittings Crushing decohesion test for polyethylene (PE) electrofusion assemblies
ISO 22621-1:2007	Plastics piping systems for the supply of gaseous fuels for maximum operating pressures up to and including 2 MPa (20 bar) Polyamide (PA) Part 1: General
ISO 1167-1:2006	Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 1: General method