BS 1415-2:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Mixing valves Specification for thermostatic mixing valves
Hardcopy , PDF
15-09-1999
English
30-06-1986
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Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
3. Nominal size
4. Marking
Section two. Materials, design and construction
5. Materials
6. Castings
7. Hot-pressings
8. Connections
9. Plating
10. Method of operation
Section three. Performance
11. General
12. Flow rate test
13. Valve seat and body upstream tests
14. Body downstream tests
15. Hydraulic strength test
16. 'O' ring pneumatic test
17. Sensitivity of temperature control
18. Temperature stability of blend water under
changing inlet pressure conditions
19. Temperature stability of blend water under changing
temperature conditions
20. Thermal shut-off (cold water failure)
21. Temperature stability of blend water at reduced flow
rates (for valves designed for multi-outlet
installations only)
22. Devices to prevent cross tracking inter-
communications of supply systems
Appendices
A. Method of test for the determination of the rate
of flow
B. Method of test for the determination of sensitivity
of temperature control
C. Method of test for the determination of blend
water temperature stability under changing inlet
pressure conditions
D. Method of test for the determination of blend water
temperature stability under changing inlet
temperature conditions
E. Method of test for determining the thermal shut-off
of mixing valves when cold water inlet supply fails
F. Method of test for temperature stability of blend
water at reduced flow rates
G. Method of test for the determination of resistance
to cross tracking
Tables
1. Minimum flow rate in litres per second
2. Blend water temperature variations (changing inlet
pressure)
3. Blend water temperature variations (changing
temperature)
4. Outlet flow under cold water failure
5. Blend water temperature at reduced flow rates
6. Dimensions of pressure take-off tee
Figures
1. Blended water temperature test apparatus
2. Details of pressure take-off tee
3. Thermometer tee arrangement
4. Suggested thermometer housing details
Specifies materials, design, construction and performance requirements with a method of specifying size of thermostatic mixing valves, suitable for use with inlet supply pressures of up to 6 bar and inlet water temperature of between 10°C and 72°C.
| Committee |
B/504
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 6340-2:1983 | Shower units Specification for the installation of shower units |
| BS CP342-2(1974) : 1974 | CODE OF PRACTICE FOR CENTRALIZED HOT WATER SUPPLY - BUILDINGS OTHER THAN INDIVIDUAL DWELLINGS |
| BS 5412-5:1976 | Specification for the performance of draw-off taps with metal bodies for water services Physio-chemical characteristics: materials, coatings |
| BS 6282-1:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for check valves of nominal size up to and including DN 54 |
| BS CP342-1(1970) : LATEST | CODE OF PRACTICE FOR CENTRALIZED HOT WATER SUPPLY - INDIVIDUAL DWELLINGS |
| BS 2871-1:1971 | Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation |
| BS 1415-1:1976 | Mixing valves Non-thermostatic, non-compensating mixing valves |
| BS 970-4:1970 | Specification for wrought steels for mechanical and allied engineering purposes Valve steels |
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