BS 4660(1989) : 1989

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Materials
4. Apparatus
5. Dimensions
6. Physical properties
7. Performance requirements
8. Marking
Appendices
A. Method of test for the impact resistance of
    polyolefin fittings
B. Method of test for resistance to diametric
    distortion at joints
C. Method of test for resistance to angular deflection
D. Method of test for resistance to combined
    temperature cycling and external loading
e. Method of test for resistance to elevated
    temperature cycling
F. Method of test for water seal
G. Method of test for resistance to surface loading
H. Guidance on quality control testing
Tables
1. Dimensions of pipes
2. Dimensions of pipe sockets and fittings
3. Dimensions of swept fittings
4. Dimensions of long radius bends
5. Grading of surface loading conditions
6. Plate sizes
7. Applicability of requirements and test methods
Figures
1. Pipe lengths
2. Location of dimensions for pipe sockets and fittings
3. Typical groove designs
4. Location of dimensions for swept fittings
5. Typical channel fittings
6. Typical features of equipment for diametric
    distortion test

Describes requirements for unplasticized polyvinyl chloride pipe and fittings for the construction of gravity drains and sewers. For pipe and fittings with sizes 110 and 160. Exposed fittings may be made alternatively of olefin plastics. For use with untreated trade waste or prolonged discharges at high temperatures. Covers definitions, materials, appearance, dimensions, physical properties, performance requirements, marking, test for the impact resistance of polyolefin fittings, resistance to diametric distortion at joints, resistance to angular deflection, resistance to combined temperature cycling and external loading, resistance to elevated temperature cycling, for water seal, resistance to surface loading and guidance on quality control testing. Includes several tables of dimensions.