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BSI
BS 6675:1986

BS 6675:1986

Current

Current

The latest, up-to-date edition.

Specification for servicing valves (copper alloy) for water services

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-1986

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
3. Materials
4. Lubricants for sealing rings
5. Marking
Section two. Design requirements
6. Design and construction
7. Maximum working temperature and pressure
8. End connections
Section three. Workmanship
9. Castings
10. Hot pressings
11. Chromium and nickel plating
Section four. Test requirements
12. Hydraulic type test
13. Tests of sealing rings or other elastomeric type
    seals
Appendices
A. Method for the determination of the rate of flow
B. Information to be supplied by the purchaser
Tables
1. Flow rate
2. Body wall thickness
3. Maximum working temperature and pressure
Figures
1. Flow rate test apparatus
2. Details of pressure take-off tee

Three patterns of servicing valve: spherical plug, tapered plug and screw-down, of nominal sizes 10, 12, 15 and 22, suitable for working pressures and temperatures from 16 bar at up to and including 30°C to 5 bar at a maximum of 120°C. The purpose of the valve is to isolate water supplies to individual sanitary appliances so that those appliances can be maintained or serviced.

This British Standard specifies requirements for materials, design, construction, workmanship and testing of copper alloy servicing valves for water services, suitable for working pressures and temperatures from 16 bar at up to and including 30 °C to 5 bar at a maximum of 120 °C. Table 3 also gives interpolated values.

The range of nominal sizes is 10, 12, 15 and 22 relating to the nominal outside diameter of copper tube in accordance with BS 2871 : Part 1.

This British Standard applies to the following patterns of servicing valves:

  1. spherical plug;
  2. tapered plug;
  3. screw-down.

NOTE 1. For information to be supplied by the purchaser when ordering, see appendix B.

NOTE 2. The titles of the publications referred to in this standard are listed on page 9.

Committee
B/504
DevelopmentNote
Supersedes 84/11772 DC (09/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current

BS 6465-3:2006 Sanitary installations Code of practice for the selection, installation and maintenance of sanitary and associated appliances
BS 6465-1:1994 Sanitary installations Code of practice for scale of provision, selection and installation of sanitary appliances

BS 2871-1:1971 Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS 1224:1970 Specification for electroplated coatings of nickel and chromium
BS 6700:1987 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages
BS 2767:1972 Specification for valves and unions for hot water radiators
BS 2872:1969 Specification for copper and copper alloys. Forging stock and forgings
BS 1010-2:1973 Specification for draw-off taps and stopvalves for water services (screw-down pattern) Draw-off taps and above-ground stopvalves

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Hardcopy - English
PDF - English
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