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BS 341-1:1991

Current

Current

The latest, up-to-date edition.

Transportable gas container valves Specification for industrial valves for working pressures up to and including 300 bar

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-1991

Design, manufacture and testing of valves fitted to containers used for the conveyance of permanent, liquefiable and dissolved gases.

Committee
PVE/3/1
DevelopmentNote
Supersedes BS 341-1(1962) & 88/77850 DC. Supersedes DEFSTAN 81-2/3(1992), DEFSTAN 81-4/3(1992) & DEFSTAN 81-13/2(1992) (10/2003) Partially supersedes BS 341-2(1963) (07/2005) Inactive for the new design. (12/2007)
DocumentType
Standard
Pages
70
PublisherName
British Standards Institution
Status
Current
SupersededBy
Supersedes

This Part of BS 341 specifies requirements for the design, materials, manufacture and testing of new and refurbished valves together with the testing, periodic inspection and maintenance of valves in service, for use with refillable aluminium and steel containers manufactured for the suitable conveyance and storage of permanent, liquefiable and dissolved gases for industrial applications, but excluding valves with outlets conforming to BS 1319.

This Part of BS 341 applies to valves limited to a charging pressure (see 1.3.19) of 300 bar1) (developed pressures for particular gases may exceed this pressure).

This Part of BS 341 also gives requirements for the design, manufacture, testing and installation of pressure relief devices, to protect containers up to 130 L capacity from excessive pressure, particularly when exposed to heat.

WARNING. It is essential that pressure relief devices should not be used with toxic gases.

Recommendations for the plating of copper alloy valves are given in Annex A and recommendations for the valving of containers are given in Annex B. A list of the alternative outlets for the less commonly used gases imported into the United Kingdom is given in Annex C.

This Part of BS 341 does not include requirements for the selection of valve outlets and materials for gas mixtures, valves for medical applications complying with BS 1319 and ultra-high-purity gases.

This part of BS341 does not cover valves for liquefied petroleum gas (LPG).

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BS 4500-4:1985 ISO limits and fits Specification for system of cone (taper) fits for cones from <i>C</i>=1:3 to 1:500, lengths from 6 mm to 630 mm and diameters up to 500 mm
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BS 5430-3:1990 Periodic inspection, testing and maintenance of transportable gas containers (excluding dissolved acetylene containers) Specification for seamless aluminium alloy containers of water capacity 0.5 litres and above
BS 3382-1&2(1961) : 1961 SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - CADMIUM ON STEEL COMPONENTS - ZINC ON STEEL COMPONENTS
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BS 4500-1.1(1990) : AMD 7630 ISO LIMITS AND FITS - GENERAL, TOLERANCES AND DEVIATIONS - SPECIFICATION FOR BASES OF TOLERANCES, DEVIATIONS AND FITS
BS 4500-3:1973 ISO limits and fits Working limits on untoleranced dimensions
BS 3643-1:1981 ISO metric screw threads Principles and basic data
BS 919-3:1968 Specification for screw gauge limits and tolerances Gauges for ISO metric screw threads
BS 6001-1:1991 Sampling procedures for inspection by attributes Specification for sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection
BS 3382-3&4(1965) : 1965 SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - NICKEL OR NICKEL PLUS CHROMIUM ON STEEL COMPONENTS - NICKEL OR NICKEL PLUS CHROMIUM ON COPPER AND COPPER ALLOY (INCLUDING BRASS) COMPONENTS
BS 919-1:1960 Specification for screw gauge limits and tolerances Gauges for screw threads of Unified form
BS 5045-2:1989 Transportable gas containers Specification for steel containers of 0.5 L up to 450 L water capacity with welded seams
BS 1936-1:1952 Undercuts and runouts for screw threads Inch screw threads
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BS 5045-3:1984 Transportable gas containers Specification for seamless aluminium alloy gas containers above 0.5 litre water capacity and up to 300 bar charged pressure at 15°C
BS 6001-3:1986 Sampling procedures for inspection by attributes Specification for skip-lot procedures
BS 5355:1976 Specification for filling ratios and developed pressures for liquefiable and permanent gases
BS 3382-7:1966 Specification for electroplated coatings on threaded components Thicker platings for threaded components
BS 919-4:1964 Specification for screw gauge limits and tolerances Limits of size for gauges for screw threads of Unified form diameters ¼ in and larger
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BS 1319:1976 Specification for medical gas cylinders, valves and yoke connections
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