BS 5955-8:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Plastics pipework (thermoplastics materials) Specification for the installation of thermoplastics pipes and associated fittings for use in domestic hot and cold water services and heating systems
Hardcopy , PDF
22-10-2001
English
31-05-1990
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Definitions
3 Classification
Section two. Design considerations
4 Service conditions
5 Materials
6 Water quality
7 Pipe sizing
Section three. Installation work on site
8 Pipework
9 Jointing
10 Pipe bending
11 Boiler or circulator connection
12 Electrical work
13 Painting
14 Installation in unheated areas
15 Insulation
Section four. Commissioning
16 Filling
17 Handing over
Appendices
A Guidance on storage, handling and transport
B Guidance on jointing techniques
C Conditions for pressure testing of completed systems
Tables
1 Recommended spacing of support centres for PVC-C
pipes
2 Recommended spacing of support centres for PB and
PE-X pipes
3 Minimum cold bend radii for PB and PE-X pipes
Figures
1 Loss of head in metres per metre run
2 Sections through typical plastics compression joints
3 Section through a typical plastics push-fit joint
4 Sections through a typical composite metal and
plastics backed union with mechanical compression
joint
5 Typical section through a moulded PVC-C full-faced
flange solvent welded on to a PVC-C pipe
6 Section through a screwed union
7 Typical example of a bend clip
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