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BS EN 877:2021

BS EN 877:2021

$198.66

Cast iron pipe systems and their components for the evacuation of water from works. characteristics and test methods

Published By Publication Date Number of Pages
BSI 2021 62
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This document specifies product characteristics, test/assessment methods and how to express test/assessment results. Cast iron pipelines kits are usually composed of cast iron pipes, fittings, joints and accessories.

This document covers the range of nominal diameter from DN 40 to DN 600 inclusive.

The cast iron includes grey cast iron and ductile cast iron.

The roof gullies used for siphonic systems are outside the scope of this document.

Sewerage applications are outside the scope of this document.

It is intended to be used for the construction of gravity or vacuum discharge pressurized or unpressurised networks installed inside and/or outside works, above and/or below ground and in construction works.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
7 3 Terms and definitions
9 4 Characteristics for cast iron pipe systems and components
4.1 Crushing strength (only for grey cast iron)
10 4.2 Impact resistance for kits
4.3 Tightness: gas and liquid
4.3.1 General
4.3.2 Lengths of fittings and sealing zone
4.3.3 Geometry of fittings and accessories
11 4.3.4 Water tightness
4.3.4.1 Water tightness of pipes and fittings
12 4.3.4.2 Water tightness of joints
13 4.3.4.3 Resistance to end thrust with grip collars
4.3.5 Air tightness
14 4.4 Vacuum tightness (only for under vacuum evacuation of water from works)
4.4.1 General
4.4.2 Pipes resistance to vacuum
4.4.3 Fittings – resistance to vacuum
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)
15 4.6 Reaction to fire (only for above ground evacuation of water from works and under vacuum evacuation of water from works)
4.6.1 Reaction to fire of components
4.6.2 Reaction to fire of kits
16 4.7 Surface condition
4.8 Dimensions
4.8.1 Nominal size (DN)
4.8.2 External diameter (DE)
17 4.8.3 Wall thickness
18 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
19 4.9 Mass
4.10 Material characteristics of pipes, fittings and accessories
4.10.1 Cast iron
4.10.2 Mechanical properties
4.11 Coatings for pipes, fittings and accessories
4.11.1 General
20 4.11.2 Internal coatings
4.11.3 External coatings
21 4.12 Joints
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)
22 4.12.4 Material for gasket
4.12.5 Suitability for use
4.12.6 Temperature resistance
23 4.13 Grip collars
4.13.1 General
4.13.2 Dimensions
4.13.3 Materials
4.13.4 Suitability for use
24 4.14 Characteristics for buried systems
4.14.1 General
4.14.2 Dimensions
4.14.3 External coatings
4.14.3.1 General
4.14.3.2 Pipes
4.14.3.3 Fittings and accessories
25 4.14.4 Joints
4.15 Characteristics for rainwater systems installed outside buildings
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
5.1 Surface condition
5.2 Dimensions
5.2.1 External diameter (DE)
26 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
27 5.4 Tensile strength of pipes and fittings
5.4.1 General
5.4.2 Determination of tensile strength (method A) on grey cast iron pipes and fittings
5.4.2.1 Samples
28 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
5.4.4.1 Pipes and fittings of grey cast iron; method A (see 5.4.2)
29 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
30 5.7 Coatings
5.7.1 General
5.7.2 Internal coatings
5.7.2.1 Resistance to salt spray
5.7.2.2 Resistance to waste water
5.7.2.3 Chemical resistance
31 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
32 5.7.3 External coatings
5.7.3.1 Colour
5.7.3.2 Compatibility with other paints
33 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
34 5.9 Joints
5.9.1 Dimensions
5.9.2 Elastomeric gaskets
5.9.2.1 Material type tests
35 5.9.2.2 Production tests
5.9.3 Suitability for use
5.9.4 Water tightness of joints to positive internal pressure
5.9.4.1 General
37 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
38 5.9.6 Air tightness
5.9.7 Temperature cycling
39 5.10 Grip collars
5.10.1 Dimensions
5.10.2 Suitability for use
5.10.3 Resistance to end thrust resulting from positive internal pressure
40 5.11 Buried kits
5.11.1 General
5.11.2 External coatings
5.12 Rainwater kits installed outside buildings
5.13 Kits under vacuum
5.14 Marking
41 6 Assessment and verification of constancy of performance – AVCP
6.1 General
6.2 Assessment of performance
6.2.1 General
42 6.2.2 Test samples, testing and compliance criteria
45 6.2.3 Test reports
6.3 Factory production control (FPC)
6.3.1 General
6.3.2 Requirements
6.3.2.1 General
46 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
48 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
49 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
50 Annex A (informative)Other dimensions of pipes, fittings and accessories for buried kits
51 Annex B (informative)Other dimensions of pipes, fittings and accessories for rainwater kits to be installed outside buildings
52 Annex C (informative)Field of use for buried pipes and fittings, characteristics of soils
53 Annex D (informative)General information on some product properties
D.1 Mechanical resistance and stability
D.2 Safety in case of fire
D.3 Hygiene, health and environment
D.4 Noise protection
54 Annex E (normative)Method of calculation of gross calorific potential of external coatings for the range of products
55 Annex F (normative)Mounting and fixing conditions for Single Burning Item test
58 Annex G (informative)Marking
G.1 General
G.2 Components for buried systems
G.3 Components for rainwater systems installed outside buildings
60 Blank Page

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BS EN 877:2021
$198.66