Name: BS CP312-2(1973) : 1973 AMD 2337
Brand: BSI

BS CP312-2(1973) : 1973 AMD 2337

Withdrawn

CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - UNPLASTICIZED PVC PIPEWORK FOR THE CONVEYANCE OF LIQUIDS UNDER PRESSURE

Withdrawn date

01-01-2009

Published date

11-23-2012

Publisher

British Standards Institution

Foreword
1. General
1.1 Scope
2. Working pressure and effects of temperature
3. Limitations
4. Flow properties
5. Jointing procedures
5.1 Solvent cement joints
5.3 Pushfit (insertion) joints
5.4 Mechanical joints
5.5 Service connections
6. Bending
6.1 Cold bending
6.2 Hot bending
7. Storage, handling and transport
7.1 Storage
7.2 Handling
7.3 Transport
8. Inspection
9. Installation
9.1 General
9.2 Installation of buried pipes
9.3 Above ground installations
9.4 Support spacings
10. Test pressures and testing
10.1 Hydrostatic test pressures
10.2 Hydrostatic testing
11. Repairs
Table
1. Recommended spacing of support centres for
      horizontal UPVC pipes
Figures
1a. Typical section through pushfit insertion joint
      supplied on pipe (i.e. integral)
1b. Typical section through pushfit insertion joint
      provided in a loose coupling having spigot end
      stop (or central register)
2. Part section and end view of a wedge ring joint
3. Section through a screwed adaptor joint
4. Section through a typical composite metal and PVC
      backed union with mechanical compression joint
5. Typical section through a moulded stub flange
      solvent welded on to a PVC pipe end
6. Typical section through a moulded 'O'-ring stub
      flange solvent welded on to a PVC pipe end
7. Typical section through a moulded full-faced
      flange solvent welded on to a PVC pipe end
8. Support for PVC pipe
9. Surge pressure envelope for Class B pipe
10. Surge pressure envelope for Class C pipe
11. Surge pressure envelope for Class D pipe
12. Surge pressure envelope for Class E pipe

Gives guidance on the proper application and installation of unplasticized polyvinyl chloride pipe for the conveyance of liquids under pressure. The choice of materials for particular applications is covered. Does not purport to cover reinforced pipe or UPVC used as a lining material bonded to polyester glass. The use of plastics pipes in services supplied from the mains of water undertakings is governed by the byelaws of the undertakings and these shall be strictly observed. Covers working pressure and effects of temperature, limitations, flow properties, jointing procedures, bending, storage, handling and transport, inspection, installation, test pressures and testing and repairs.

Committee	PRI/88
DocumentType	Standard
PublisherName	British Standards Institution
Status	Withdrawn

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BS CP312-1(1973) : 1973	CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - GENERAL PRINCIPLES AND CHOICE OF MATERIAL
BS 3867:1965	Specifications for dimensions of pipes of plastic materials (outside diameters)
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BS 4346-1:1969	Joints and fittings for use with unplasticized PVC pressure pipes Injection moulded unplasticized PVC fittings for solvent welding for use with pressure pipes, including potable water supply
BS 4346-3(1969) : LATEST
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