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BS 5779:1979

Current
Current

The latest, up-to-date edition.

Specification for spray mixing taps
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-1979

Foreword
Cooperating organizations
Specification
Section one. General
1. Scope
2. References
3. Definitions
4. Materials
5. Marking
Section two. Dimensions, design and construction
6. General
7. Nominal size
8. Inlets
9. Spray outlet
10. Flow restrictor
Section three. Type testing
11. General
12. Rate of flow test
13. Test for divergence of the spray
14. Sensitivity of control of single control type spray
     mixing taps
15. Devices to prevent cross tracking intercommunication
     of supply systems
16. Blended water temperature extremes
Appendices
A. Notes on the installation of spray mixing taps
B. Types of spray mixing taps with reference to
     relevant clauses
C. Information to be supplied by the purchaser
D. Method of setting manually adjustable restrictors
E. Method of measuring the rate of flow through spray
     mixing taps fitted with manually adjustable flow
     restrictors
F. Method of measuring the rate of flow through spray
     mixing taps fitted with self-adjusting restrictors
G. Method of measuring the divergence of the spray
H. Method for the determination of sensitivity of
     control
J. Method for the determination of resistance to cross
     tracking
K. Method of measuring the achievable blend of water
     temperature extremes
Table
1. Dimensions of pressure take-off tee
Figures
1. Installation and dimensional features of spray
     mixing taps
2. Sectional diagram of spray, spray outlet and
     annular gauge
3. Typical sensitivity curve for single control type
     spray mixing taps
4. Blended water temperature extremes
5. Details of pressures take-off tee
6. Blended water temperature test apparatus

Specific materials, dimensions, design, construction and testing of non-thermostatic, non-compensating spray mixing taps.

This British Standard specifies requirements for the materials, design, construction, dimensions, testing and installation of non-thermostatic, non-compensating spray mixing taps for ablutionary purposes. Details of information that shall be supplied by the purchaser are given in Appendix C.

Committee
B/504
DevelopmentNote
Supersedes 78/11892 DC (08/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current

BS 5412&5413-4(1976) : AMD 3714 SPECIFICATION FOR THE PERFORMANCE OF DRAW-OFF TAPS WITH METAL BODIES FOR WATER SERVICES - MECHANICAL AND ENDURANCE CHARACTERISTICS
BS CP342-1(1970) : LATEST CODE OF PRACTICE FOR CENTRALIZED HOT WATER SUPPLY - INDIVIDUAL DWELLINGS
BS 5388:1976 Specification for spray taps
BS 5412&5413-2(1976) : AMD 3155 SPECIFICATION FOR THE PERFORMANCE OF DRAW-OFF TAPS WITH METAL BODIES FOR WATER SERVICES - WATER TIGHTNESS AND PRESSURE RESISTANCE CHARACTERISTICS
BS 4118:1981 Glossary of sanitation terms
BS 2871-1:1971 Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS 5074:1974 Specification for short and long solid-stem thermometers for precision use
BS 1415-1:1976 Mixing valves Non-thermostatic, non-compensating mixing valves
BS 5412&5413-1(1976) : AMD 4593 SPECIFICATION FOR THE PERFORMANCE OF DRAW OFF TAPS WITH METAL BODIES FOR WATER SERVICES - DIMENSIONAL AND DESIGN CHARACTERISTICS
BS 5412&5413-5(1976) : AMD 4591 SPECIFICATION FOR THE PERFORMANCE OF DRAW-OFF TAPS WITH METAL BODIES FOR WATER SERVICES - PHYSIO-CHEMICAL CHARACTERISTICS MATERIALS COATINGS
BS CP342-2(1974) : 1974 CODE OF PRACTICE FOR CENTRALIZED HOT WATER SUPPLY - BUILDINGS OTHER THAN INDIVIDUAL DWELLINGS
BS 5412&5413-3(1976) : AMD 3156 SPECIFICATION FOR THE PERFORMANCE OF DRAW-OFF TAPS WITH METAL BODIES FOR WATER SERVICES - HYDRAULIC CHARACTERISTICS
BS 864-2:1971 Capillary and compression tube fittings of copper and copper alloy. Metric units
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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