DS DS/EN 14525 Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U, PE, Fibre-cement

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DS DS/EN 14525 Document Information:

Title
Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U, PE, Fibre-cement

Overgangsstykker og flangeadaptorer af smedegods til brug for samling af rør i forskellige materialer: smedegods, støbejern, stål, PVC-U, PE og fiberarmeret cement

Dansk Standard

Publication Date:
Nov 29, 2004

Scope:

This European Standard specifies the requirements and associated test methods applicable to wide tolerance ductile iron couplings and wide tolerance flange adaptors intended for use with pipe components made from a number of pipe materials (ductile iron, grey iron, PE, PVC-U, steel, fibre-cement), for providing a leak tight seal over a wide range of pipe external diameters : - to convey water (e.g. potable water) ; - with or without pressure ; - to be installed below or above ground, inside or outside buildings. This standard is not intended to cover sewerage or gas applications, where other requirements may be necessary. This standard specifies requirements for materials, dimensions and tolerances, mechanical properties and standard coatings of ductile iron products. This standard covers ductile iron products cast by any type of foundry process or manufactured by fabrication of cast components, as well as corresponding joints, in a size range extending from DN 40 to DN 600, for an allowable operating pressure (PFA) up to 16 bar, for fluid temperatures between 0 °C and 25 °C excluding frost. For higher temperatures, up to 50 °C, additional type testing should be carried out. It also gives performance requirements and associated test methods for restrained and non-restrained flexible joints. Joint design and gasket shapes are outside the scope of this standard.

Keywords:

BOLTING
CAST IRON PIPES
CAST-IRON
DEFINITION
DEFINITIONS
DIMENSIONS
DRINKING WATER LINES
FIBRE CEMENTS
FINISHES
FITTINGS
FUNCTIONALITY
INSPECTION
LAMELLAR GRAPHITE
MATERIALS
MECHANICAL PROPERTIES
OVERHEAD
PE
PIPE COUPLINGS
PIPE FITTINGS
PIPELINES
PIPES
PRODUCT INFORMATIONS
PROPERTIES
PVC-U
QUALITY ASSURANCE
SPECIFICATION (APPROVAL)
SPHEROIDAL-GRAPHITE CAST-IRON
STRENGTH OF MATERIALS
TESTING
UNDERGROUND
WATER PIPELINES
SPECIFICATIONS
SPHEROIDAL- GRAPHITE CAST-IRO
FLANGE CONNECTIONS
CAST IRON
PIPES : TUBES

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