BS 5041-2:1987
Fire hydrant systems equipment Specification for landing valves for dry risers
Označení normy: | BS 5041-2:1987 |
Počet stran: | 14 |
Vydáno: | 1987-03-31 |
ISBN: | 0 580 15722 9 |
Status: | Standard |
BS 5041-2:1987
This standard BS 5041-2:1987 Fire hydrant systems equipment is classified in these ICS categories:
- 13.220.10 Fire-fighting
This Part of BS 5041 specifies requirements for copper alloy gate valves generally complying with BS 5154, suitable for installation as landing valves on dry risers. The valves have screwed or flanged inlets and also delivery hose connections complying with BS 336. The standard covers valves of nominal pressure (PN) designation 15 bar and nominal inlet size DN 65 for flanged ends and 2½ for screwed ends.
NOTE 1. Unless otherwise stated all pressures are gauge pressures expressed in bar: 1 bar = 105 N/m2 = 100 kPa.
NOTE 2. Information which the purchaser is recommended to supply to the manufacturer is given in appendix B and does not form part of the specification.
NOTE 3. The titles of the publications referred to in this standard are listed on the inside back cover.
Material and design requirements for copper alloy gate valves for dry rising mains to BS 5306-1.