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BS EN 877:2021 Cast iron pipe systems and their components for the evacuation of water from works. characteristics and test methods, 2021
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Characteristics for cast iron pipe systems and components [Go to Page]
- 4.1 Crushing strength (only for grey cast iron)
- 4.2 Impact resistance for kits
- 4.3 Tightness: gas and liquid [Go to Page]
- 4.3.1 General
- 4.3.2 Lengths of fittings and sealing zone
- 4.3.3 Geometry of fittings and accessories
- 4.3.4 Water tightness [Go to Page]
- 4.3.4.1 Water tightness of pipes and fittings
- 4.3.4.2 Water tightness of joints
- 4.3.4.3 Resistance to end thrust with grip collars
- 4.3.5 Air tightness
- 4.4 Vacuum tightness (only for under vacuum evacuation of water from works) [Go to Page]
- 4.4.1 General
- 4.4.2 Pipes resistance to vacuum
- 4.4.3 Fittings – resistance to vacuum [Go to Page]
- 4.4.3.1 Fittings without access or door
- 4.4.3.2 Fittings with access or door
- 4.4.4 Joints – resistance to vacuum
- 4.5 Maximum load for admissible deformation (only for below ground)
- 4.6 Reaction to fire (only for above ground evacuation of water from works and under vacuum evacuation of water from works) [Go to Page]
- 4.6.1 Reaction to fire of components
- 4.6.2 Reaction to fire of kits
- 4.7 Surface condition
- 4.8 Dimensions [Go to Page]
- 4.8.1 Nominal size (DN)
- 4.8.2 External diameter (DE)
- 4.8.3 Wall thickness
- 4.8.4 Internal diameter
- 4.8.5 Ovality
- 4.8.6 Straightness of pipes
- 4.8.7 End faces
- 4.8.8 Length of pipes
- 4.8.9 Angles of fittings
- 4.8.10 Access components and traps
- 4.9 Mass
- 4.10 Material characteristics of pipes, fittings and accessories [Go to Page]
- 4.10.1 Cast iron
- 4.10.2 Mechanical properties
- 4.11 Coatings for pipes, fittings and accessories [Go to Page]
- 4.11.1 General
- 4.11.2 Internal coatings
- 4.11.3 External coatings
- 4.12 Joints [Go to Page]
- 4.12.1 General
- 4.12.2 Dimensions
- 4.12.3 Material for couplings or clamping components except grip collars (for grip collars see 4.14)
- 4.12.4 Material for gasket
- 4.12.5 Suitability for use
- 4.12.6 Temperature resistance
- 4.13 Grip collars [Go to Page]
- 4.13.1 General
- 4.13.2 Dimensions
- 4.13.3 Materials
- 4.13.4 Suitability for use
- 4.14 Characteristics for buried systems [Go to Page]
- 4.14.1 General
- 4.14.2 Dimensions
- 4.14.3 External coatings [Go to Page]
- 4.14.3.1 General
- 4.14.3.2 Pipes
- 4.14.3.3 Fittings and accessories
- 4.14.4 Joints
- 4.15 Characteristics for rainwater systems installed outside buildings [Go to Page]
- 4.15.1 General
- 4.15.2 Coatings
- 4.15.3 Geometry
- 4.15.4 Nominal sizes
- 4.15.5 Lengths of pipes
- 4.16 Characteristics for systems under vacuum
- 4.17 Interconnection
- 5 Testing, assessment and sampling methods [Go to Page]
- 5.1 Surface condition
- 5.2 Dimensions [Go to Page]
- 5.2.1 External diameter (DE)
- 5.2.2 Wall thickness
- 5.2.3 Internal diameter
- 5.2.4 Ovality
- 5.2.5 Straightness of pipes
- 5.2.6 End faces
- 5.2.7 Lengths
- 5.2.8 Angle of fittings
- 5.3 Masses
- 5.4 Tensile strength of pipes and fittings [Go to Page]
- 5.4.1 General
- 5.4.2 Determination of tensile strength (method A) on grey cast iron pipes and fittings [Go to Page]
- 5.4.2.1 Samples
- 5.4.2.2 Equipment and test method
- 5.4.3 Determination of tensile strength (method B) of grey cast iron fittings
- 5.4.4 Validity of tensile strength tests [Go to Page]
- 5.4.4.1 Pipes and fittings of grey cast iron; method A (see 5.4.2)
- 5.4.4.2 Fittings of grey cast iron; method B (see 5.4.3)
- 5.4.4.3 Pipes and fittings of spheroidal cast iron (see 5.4.1)
- 5.5 Brinell hardness
- 5.6 Ring crush test for grey cast iron pipes
- 5.7 Coatings [Go to Page]
- 5.7.1 General
- 5.7.2 Internal coatings [Go to Page]
- 5.7.2.1 Resistance to salt spray
- 5.7.2.2 Resistance to waste water
- 5.7.2.3 Chemical resistance
- 5.7.2.4 Coating thickness
- 5.7.2.5 Adhesion
- 5.7.2.6 Resistance to hot water
- 5.7.2.7 Resistance to temperature cycling
- 5.7.3 External coatings [Go to Page]
- 5.7.3.1 Colour
- 5.7.3.2 Compatibility with other paints
- 5.7.3.3 Reaction to fire – external coatings
- 5.7.3.4 Coating thickness
- 5.7.3.5 Adhesion
- 5.8 Water tightness test for fittings with access or door
- 5.9 Joints [Go to Page]
- 5.9.1 Dimensions
- 5.9.2 Elastomeric gaskets [Go to Page]
- 5.9.2.1 Material type tests
- 5.9.2.2 Production tests
- 5.9.3 Suitability for use
- 5.9.4 Water tightness of joints to positive internal pressure [Go to Page]
- 5.9.4.1 General
- 5.9.4.2 Aligned position (see Table 3, test condition a)
- 5.9.4.3 Angular deflection (see Table 3, test condition b)
- 5.9.4.4 Shear force (see Table 3, test condition c)
- 5.9.5 Water tightness of joints to positive external pressure
- 5.9.6 Air tightness
- 5.9.7 Temperature cycling
- 5.10 Grip collars [Go to Page]
- 5.10.1 Dimensions
- 5.10.2 Suitability for use
- 5.10.3 Resistance to end thrust resulting from positive internal pressure
- 5.11 Buried kits [Go to Page]
- 5.11.1 General
- 5.11.2 External coatings
- 5.12 Rainwater kits installed outside buildings
- 5.13 Kits under vacuum
- 5.14 Marking
- 6 Assessment and verification of constancy of performance - AVCP [Go to Page]
- 6.1 General
- 6.2 Assessment of performance [Go to Page]
- 6.2.1 General
- 6.2.2 Test samples, testing and compliance criteria
- 6.2.3 Test reports
- 6.3 Factory production control (FPC) [Go to Page]
- 6.3.1 General
- 6.3.2 Requirements [Go to Page]
- 6.3.2.1 General
- 6.3.2.2 Equipment
- 6.3.2.3 Raw materials and components
- 6.3.2.4 Traceability and marking
- 6.3.2.5 Controls during manufacturing process
- 6.3.2.6 Product testing and evaluation
- 6.3.2.7 Non-complying products
- 6.3.2.8 Corrective action
- 6.3.2.9 Handling, storage and packaging
- 6.3.3 Product specific requirements
- 6.3.4 Initial inspection of factory and of FPC
- 6.3.5 Continuous surveillance of FPC (only for products covered by AVCP system 1+, 1 and 2+)
- 6.3.6 Procedure for modifications
- Annex A (informative)Other dimensions of pipes, fittings and accessories for buried kits
- Annex B (informative)Other dimensions of pipes, fittings and accessories for rainwater kits to be installed outside buildings
- Annex C (informative)Field of use for buried pipes and fittings, characteristics of soils
- Annex D (informative)General information on some product properties [Go to Page]
- D.1 Mechanical resistance and stability
- D.2 Safety in case of fire
- D.3 Hygiene, health and environment
- D.4 Noise protection
- Annex E (normative)Method of calculation of gross calorific potential of external coatings for the range of products
- Annex F (normative)Mounting and fixing conditions for Single Burning Item test
- Annex G (informative)Marking [Go to Page]
- G.1 General
- G.2 Components for buried systems
- G.3 Components for rainwater systems installed outside buildings
- Blank Page [Go to Page]
