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BS EN 16119:2021 – TC:2022 Edition

BS EN 16119:2021 – TC:2022 Edition

$134.27

Tracked Changes. LPG equipment and accessories. Sealing caps and plugs for LPG cylinder and pressure vessel valves. Specification and testing

Published By Publication Date Number of Pages
BSI 2022 44
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This document specifies the design, testing and marking requirements for caps and plugs used to form a pressure tight seal with liquefied petroleum gas (LPG) cylinder valves and pressure vessel valves. Sealing caps and plugs provide an additional seal for self-closing and manually operated valves. Protection caps or dust caps and tamper evident seals that do not form an additional seal as part of their design are excluded from the scope of this document. Cylinder valve caps and plugs can be used with valves for liquid and vapour manufactured in accordance with EN ISO 14245 and EN ISO 15995. Pressure vessel valve caps and plugs can be used with valves for liquid and vapour manufactured in accordance with EN 13175. Occasional liquid withdrawal valve caps and plugs are excluded from the scope of this document. Reusable and single use sealing caps and plugs are included in this document. This document does not exclude the use of other designs that provide an equivalent level of safety. NOTE The term “pressure vessel” does not include LPG tank vehicles, also called “road tankers”, in CEN/TC 286 standards.

PDF Catalog

PDF Pages PDF Title
26 undefined
31 1 Scope
2 Normative references
32 3 Terms and definitions
33 4 Operating temperatures
5 Materials
5.1 Environmental
5.2 General
34 5.3 Metallic materials
5.4 Non-metallic materials
6 Design
6.1 General
35 6.2 Threads
6.3 External leak tightness
7 Testing and inspection of the design
7.1 General
7.2 LPG resistance
36 7.3 Water resistance
7.4 Ageing
7.5 Hydraulic strength test
7.5.1 Reusable sealing caps or plugs
7.5.2 Single use sealing caps or plugs
7.6 Endurance test
37 7.7 Torque Test
8 Marking
38 9 Documentation
10 Packaging
39 Annex A (normative)Special low temperature requirements for caps or plugs
A.1 In some parts of Europe where caps or plugs are subject to more severe temperature conditions, the design temperature range shall be extended to −40 °C. The material and design shall be shown to be satisfactory for operations under these conditions.
A.2 The cap or plug shall be fitted to the valve, before being subjected to a temperature of −40 °C for 24 h. The temperature shall then be raised to −30 °C.
A.3 The cap or plug and valve assembly shall then be tested for external leak tightness at 0,1 bar and 5 bar and shall meet the requirements for external leak tightness given in 6.3.
A.4 The minimum operating temperature “–40 °C” shall be marked in accordance with the requirements of Clause 8.
40 Annex B (normative)Combined ageing test
B.1 General
B.1.1 The plugs and caps shall be subjected to an ageing test.
B.1.2 Sample caps or plugs shall be placed in a climatic chamber and shall be subject to artificial ageing.
B.1.3 Ageing shall be carried out on a cyclic basis as described in Table B.1 which shows the different phases throughout a 24 h period. This cycle is also shown graphically in Figure B.1.
B.1.4 These phases include different combinations of heat, cold humidity, rain and UV conditions. UV light shall be provided in accordance with B.2 for the phase numbers shown in Table B.1. Rain shall be provided in accordance with B.3 for the phases as shown in Table B.1.
B.1.5 The ageing test shall be continued for a total of 168 h.
B.1.6 At the end of 168 h, the samples shall be stabilized for 48 h at (20 ± 5) °C and at (50 ± 5) % humidity.
B.2 Ultraviolet light
B.3 Rain

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BS EN 16119:2021 - TC
$134.27