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UNI EN 682 : 2006

Current

Current

The latest, up-to-date edition.

ELASTOMERIC SEALS - MATERIALS REQUIREMENTS FOR SEALS USED IN PIPES AND FITTINGS CARRYING GAS AND HYDROCARBON FLUIDS

Published date

11-23-2006

Foreword
1 Scope
2 Normative references
3 Classification
4 Requirements
   4.1 Materials
   4.2 Finished seal requirements
        4.2.1 Dimensional tolerances
        4.2.2 Imperfections and defects
        4.2.3 Hardness
        4.2.4 Tensile strength and elongation at break
        4.2.5 Compression set in air
        4.2.6 Accelerated ageing in air
        4.2.7 Stress relaxation in compression
        4.2.8 Volume change in liquid B
        4.2.9 Volume change in oil
        4.2.10 Ozone resistance
        4.2.11 Compression set at -15 degree C
5 Test pieces and temperature
   5.1 Preparation of test pieces
   5.2 Test temperature
6 Factory production control
7 Factory product control tests
   7.1 Sampling
   7.2 Routine tests
   7.3 Type tests
8 Storage
9 Designation
10 Marking and labelling
Annex A (informative) Guidance on storage of seals
Annex ZA (informative) Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive
Bibliography

Specifies requirements for elastomeric materials used in seals for supply pipes and fittings, ancillaries and valves at operating temperatures in general from -5 degree C up to 50 degree C and in special cases from -15 degree C up to 50 degree C, for the following: - gaseous fuel (manufactured, natural and liquefied petroleum gas [LPG] in gaseous phase); - hydrocarbon fluids with aromatic content up to 30 % (V/V), including LPG in liquid phase.

Committee
CT 17
DevelopmentNote
Supersedes UNI 9264 and SS UNI U35.05.234.0 (10/2002)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

UNI 11528 : 2014 GAS PLANTS OVER 35 KW - DESIGN, INSTALLATION AND COMMISSIONING
UNI 11179 : 2006 FITTINGS WITH PRESS-ENDS FOR METALLIC PIPING
UNI/TS 11344 : 2009 METALLO-PLASTIC MULTILAYER PIPING SYSTEMS AND FITTINGS FOR INDOOR INSTALLATION FOR THE CONVEYANCE OF GASEOUS FUELS

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