BS 6281-3:1982
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Devices without moving parts for the prevention of contamination of water by backflow Specification for pipe interrupters of nominal size up to and including DN 42
Hardcopy , PDF
25-01-2006
English
30-11-1982
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Foreword
Cooperating organizations
Specification
Section one. General
1 Scope
2 Definitions
3 Nominal size
4 Marking
Section two. Materials and design
5 Materials
6 End connections
7 Design
Section three. Performance
8 Vacuum test
9 Torque test
Section four. Instructions
10 Installation instructions
Appendices
A Vacuum test
B Torque test
Tables
1 Nominal size
2 Recommended vacuum vessel capacities
3 Torque
Figure
1 Arrangement of apparatus for vacuum test
Sets out characteristics and methods of testing of pipe interrupter backflow prevention devices of nominal size up to and including DN 42 that are suitable for use at pressures up to 10 bar and temperatures up to 90 degrees C. Pipe interrupters that comply with this Part are devices suitable for protection against class 2 risk.
| Committee |
B/504
|
| DevelopmentNote |
Supersedes 78/13466 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 6280:1982 | Method of vacuum (backsiphonage) test for water-using appliances |
| BS 6282-4:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for combined check and anti-vacuum valves of nominal size up to and including DN 42 |
| 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 6700:1997 | Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages |
| BS 6282-3:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for in-line anti-vacuum valves of nominal size up to and including DN 42 |
| BS 3456-102.71:1991 | Specification for safety of household and similar electrical appliances. Particular requirements Dispensing appliances for food, drink and packaged consumer products |
| BS 6281-2:1982 | Devices without moving parts for the prevention of contamination of water by backflow Specification for type B air gaps |
| BS 6282-2:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for terminal anti-vacuum valves of nominal size up to and including DN 54 |
| BS 1780-2(1971) : AMD 1155 | BOURDON TUBE PRESSURE AND VACUUM GAUGES |
| 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 6281-1:1982 | Devices without moving parts for the prevention of contamination of water by backflow. Specification for type A air gaps |
| 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 6282-3:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for in-line anti-vacuum valves of nominal size up to and including DN 42 |
| BS 6282-4:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for combined check and anti-vacuum valves of nominal size up to and including DN 42 |
| BS 2872:1969 | Specification for copper and copper alloys. Forging stock and forgings |
| BS 6280:1982 | Method of vacuum (backsiphonage) test for water-using appliances |
| BS 6281-2:1982 | Devices without moving parts for the prevention of contamination of water by backflow Specification for type B air gaps |
| BS 4504-2:1974 | Circular flanges for pipes, valves and fittings (PN designated) Copper alloy and composite flanges |
| BS 864-3:1975 | Capillary and compression tube fittings of copper and copper alloy Compression fittings for polyethylene pipes |
| BS 864-2:1971 | Capillary and compression tube fittings of copper and copper alloy. Metric units |
| BS 6282-2:1982 | Devices with moving parts for the prevention of contamination of water by backflow Specification for terminal anti-vacuum valves of nominal size up to and including DN 54 |
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