BS 6283-1:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Safety and control devices for use in hot water systems Specification for expansion valves for pressures up to and including 10 bar
Hardcopy , PDF
15-10-2000
English
28-06-1991
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Committees responsible
Foreword
Specification
Section 1. General
1.1 Scope
1.2 Definitions
1.3 Nominal size
1.4 Marking
Section 2. Materials
2.1 General
2.2 Bodies and associated parts
2.3 Sealing and diaphragm materials
2.4 Spring materials
Section 3. Design and construction
3.1 General
3.2 End connections and flow dimensions
3.3 Valve seat attachment
3.4 Guides and moving parts
3.5 Provision for deposits and drainage
3.6 Adjustment
3.7 Springs
3.8 Easing gear
Section 4. Performance
4.1 Production tests
4.2 Type tests
Appendices
A Information to be supplied by the purchaser
B Production tests
C Torque test
D Back pressure test
E Opening and reseating pressure test
F Endurance test
Tables
1 Nominal size of valve
2 Maximum value of dimension X shown in figure 1
3 Torque
Figures
1 Typical arrangement of expansion valve
2 Test arrangement for opening and reseating
pressures
Design, construction and testing of expansion valves of the automatic reseating type, specifically intended for preventing over-pressurization due to expansion of water in storage water heaters of the unvented type. Does not give recommendations on application or installation of the valves.
| Committee |
B/504
|
| DevelopmentNote |
SUPERSEDES BS 6283: PART 1:1982.
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 5412-5:1976 | Specification for the performance of draw-off taps with metal bodies for water services Physio-chemical characteristics: materials, coatings |
| BS 864-5:1990 | Capillary and compression tube fittings of copper and copper alloy Specification for compression fittings for polyethylene pipes with outside diameters to BS 5556 |
| BS 970-4:1970 | Specification for wrought steels for mechanical and allied engineering purposes Valve steels |
| BS 1726-1:1987 | Coil springs. Guide for the design of helical compression springs |
| BS 4504-3.3:1989 | Circular flanges for pipes, valves and fittings (PN designated) Specification for copper alloy and composite flanges |
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