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eLibrary > BS EN 14525:2022 - TC Tracked Changes. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement >

BS EN 14525:2022 - TC Tracked Changes. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement, 2022

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BS EN 14525:2022 - TC Tracked Changes. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement, 2022

30463588
A-30415622 [Go to Page]
undefined
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements [Go to Page]
4.1 General [Go to Page]
4.1.1 Diameter range
4.1.2 Surface condition and repairs
4.1.3 Types of joints and interconnection [Go to Page]
4.1.3.1 General
4.1.3.2 Flexible joints
4.1.3.3 Flanged joints
4.1.4 Materials in contact with water intended for human consumption
4.2 Dimensional requirements [Go to Page]
4.2.1 Minimum wall thickness of ductile iron couplings and flange adaptors
4.2.2 Minimum wall thickness of steel couplings and flange adaptors
4.2.3 Joint gap and depth of engagement
4.2.4 Angular deflection
4.3 Material characteristics [Go to Page]
4.3.1 Ductile iron [Go to Page]
4.3.1.1 Tensile properties
4.3.1.2 Hardness
4.3.2 Mild steel for couplings and flange adaptors (DN600 to DN800 only)
4.3.3 Fastener for couplings and flange adaptors
4.4 Coatings
4.5 Product information [Go to Page]
4.5.1 Marking requirements
4.5.2 Additional information
4.6 Water tightness [Go to Page]
4.6.1 Couplings and flange adaptors
4.6.2 Joints
5 Performance requirements for joints [Go to Page]
5.1 General
5.2 Pressure rating
5.3 Water tightness of flexible joints [Go to Page]
5.3.1 General – performance tests principles
5.3.2 Test conditions [Go to Page]
5.3.2.1 General
5.3.2.2 Water tightness over OD range - Annulus (R tests in Table 5)
5.3.2.3 Water tightness on various pipe materials (D or C or P Tests in Table 6)
5.3.2.4 Shear load
5.4 Restrained flexible joints
5.5 Long term hydrostatic strength test [Go to Page]
5.5.1 PE pipes
5.5.2 Pull out test at 25 °C for PE restrained joints
5.5.3 PVC pipes
5.6 Flanged joints
6 Test methods [Go to Page]
6.1 Tensile testing [Go to Page]
6.1.1 Samples
6.1.2 Preparation of test bar
6.1.3 Apparatus and test method
6.1.4 Test results
6.2 Brinell hardness
6.3 Routine water tightness test [Go to Page]
6.3.1 General
6.3.2 Air test
6.3.3 Hydrostatic pressure test
7 Performance tests [Go to Page]
7.1 Positive internal pressure joint water tightness [Go to Page]
7.1.1 Coupling
7.1.2 Flange adaptor
7.2 Negative internal pressure joint
7.3 Dynamic internal pressure joint water tightness
7.4 Long term hydrostatic strength test for joints for PE pipes [Go to Page]
7.4.1 Test piece
7.4.2 Test procedure
7.5 Pull out test at 25 °C for restrained joints for PE pipes [Go to Page]
7.5.1 Test assembly
7.5.2 Apparatus
7.5.3 Test procedure
7.6 Long term hydrostatic strength test for joints of fittings for PVC pipe [Go to Page]
7.6.1 Test piece
7.6.2 Test procedure
Annex A (informative)Outside diameters of existing pipes
Annex B (informative)Quality assurance [Go to Page]
B.1 General
B.2 Performance test
B.3 Manufacturing process [Go to Page]
B.3.1 Quality Control
B.3.2 Tensile strength
B.3.3 Routine test [Go to Page]

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BS EN 14525:2022 - TC Tracked Changes. Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement, 2022

⨯To continue with accurate pricing,
please select your company type below: