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BS EN ISO 15995:2021 – TC

BS EN ISO 15995:2021 – TC

$217.84

Tracked Changes. Gas cylinders. Specifications and testing of LPG cylinder valves. Manually operated

Published By Publication Date Number of Pages
BSI 2021 74
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This document specifies the requirements for design, specification, type testing and production testing and inspection of dedicated LPG manually operated cylinder valves for use with and directly connected to transportable refillable LPG cylinders.

It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document.

Annex B identifies requirements for production testing and inspection.

This document excludes other LPG cylinder devices which are not an integral part of the dedicated manually operated cylinder valve.

This document does not apply to cylinder valves for fixed automotive installations and ball valves.

NOTE

For self-closing LPG cylinder valves see ISO 14245 . For cylinder valves for compressed, dissolved and other liquefied gases see ISO 10297 , [ 2 ] ISO 17871 [ 6 ] or ISO 17879 [ 7 ].

PDF Catalog

PDF Pages PDF Title
42 National foreword
44 European foreword
47 Foreword
48 Introduction
49 1 Scope
2 Normative references
3 Terms and definitions
52 4 Design and specification
4.1 General
53 4.2 Materials
4.2.1 General
4.2.2 Operating temperatures
4.2.3 Copper alloys
4.2.4 Non-metallic materials
54 4.3 Essential components
4.3.1 Valve operating mechanism
4.3.2 Valve body
4.3.3 Valve stem
4.3.4 Valve outlet
55 4.3.5 Excess flow valve
4.4 Optional components
4.4.1 General
4.4.2 Pressure relief valve
4.4.3 Eduction tube
4.4.4 Fixed liquid level gauge
4.4.5 Excess flow valve
56 4.4.6 Non-return valve
4.4.7 Liquid level indicator
4.4.8 Sealing cap and sealing plug
4.4.9 Sediment tube
4.5 Leak tightness
4.6 Operating torque
4.7 Closing torque
4.8 Opening torque
57 5 Valve type test
5.1 General
5.2 Test samples
58 5.3 Test procedure and test requirements
59 5.4 Inspection
5.5 Hydraulic pressure test
5.5.1 Procedure
5.5.2 Requirement
5.6 External and internal leak tightness tests
5.6.1 Procedure
60 5.6.2 Requirement
5.7 Valve stem test
5.7.1 Procedure
61 5.7.2 Requirement
5.8 Hand wheel fire exposure test
5.8.1 Procedure
5.8.2 Requirement
5.9 Impact test
5.9.1 General
5.9.2 Procedure
63 5.9.3 Requirement
5.10 Excessive closing torque test
5.10.1 Procedure
5.10.2 Requirement
5.11 Excessive opening torque test
5.11.1 Procedure
5.11.2 Requirement
64 5.12 Endurance test
5.12.1 Procedure
5.12.2 Requirement
5.13 Examination of dismantled valves
5.13.1 Procedure
65 5.13.2 Requirement
5.14 Excess flow valve test
5.14.1 General
5.14.2 Excess flow valve test with air
5.14.3 Excess flow valve test with water
66 5.14.4 Excess flow strength test
5.15 Non-return valve test
5.15.1 Procedure
5.15.2 Requirement
5.16 Vibration test
5.16.1 Procedure
67 5.16.2 Requirement
6 Documentation and test report
6.1 Documentation
6.2 Test report
7 Production testing
8 Markings
69 Annex A (normative) Special valves
70 Annex B (normative) Production testing and inspection
71 Annex C (normative) Special low temperature requirements
72 Annex D (normative) Vibration testing
73 Bibliography

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BS EN ISO 15995:2021 - TC
$217.84