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BS EN 13175:2014

BS EN 13175:2014

$189.07

LPG Equipment and accessories. Specification and testing for Liquefied Petroleum Gas (LPG) pressure vessel valves and fittings

Published By Publication Date Number of Pages
BSI 2014 48
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This European Standard specifies minimum requirements for the design, testing and production testing of valves, including appropriate fittings, which are connected to mobile or static LPG pressure vessels above 150 l water capacity. Pressure relief valves and their ancillary equipment, contents gauges and automotive LPG components are outside the scope of this European Standard.

This European Standard does not apply to refineries or other process plants.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
6 Foreword
7 Introduction
8 1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Operating conditions
12 5 Materials
5.1 General
5.2 Metallic materials
13 5.3 Non-metallic components
5.4 Lubricants, sealants and adhesives
6 Design – general requirements
6.1 General
14 6.2 Seats and seals
6.3 Springs
6.4 Threads
6.5 Flanges
7 Design – specific requirements
7.1 Excess flow valve
15 7.2 Non-return valve
7.3 Shut-off valves
7.3.1 General
7.3.2 Excess flow protection
7.3.3 Service valve
7.3.3.1 Valve operating mechanism
16 Figure 1 — Hand-wheel marking
7.3.3.2 Valve body
7.3.3.3 Sealing mechanism
7.3.3.4 Operating torque
7.4 Filler valve
17 7.5 Filler valve with OPD
7.5.1 General
7.5.2 Performance
7.5.3 Float
7.6 Occasional liquid withdrawal valve
18 7.7 Internal valve
7.8 Vapour equalizing valve
7.9 Multipurpose valve
7.10 Break-away coupling
7.11 Dry disconnect coupling
19 Table 1 — Maximum allowable LPG release upon disconnection of dry disconnect couplings
Table 2 — Minimum LPG flow-rate of dry disconnect couplings
20 7.12 Pressure gauge
8 Testing of the design
8.1 General
8.2 Testing of non-metallic components
21 Table 3 — Design testing
22 8.3 Over torquing deformation test
8.4 External leak tightness test
Table 4 — Torques for deformation test
23 Table 5 — Pressures and temperatures for leakage tests
8.5 Internal leak tightness test
8.6 Residual flow test
24 8.7 Pressure strength test
8.8 Excess flow test
8.8.1 General
8.8.2 Excess flow test with air
25 8.8.3 Excess flow test with water
8.8.4 Excess flow strength test
8.9 Endurance test
26 8.10 Weak section strength test
8.11 Stress cracking test
8.11.1 General
27 8.11.2 Mercury(l)nitrate immersion test
8.11.3 Moist ammonia air stress cracking test
8.12 Vacuum test
8.13 Flow resistance test
8.14 Filler valve flow test
8.15 OPD test
8.15.1 General
8.15.2 Level test
8.15.3 Vibration Test
28 8.16 Test report
9 Production testing
10 Marking
29 11 Documentation
12 Packaging
30 Annex A (normative) ACME connections
Table A.1 — ACME connections
31 Figure A.1 — 2 ¼ inch x 6 ACME
33 Figure A.2 — 3 ¼ inch x 6 ACME
34 Annex B (normative) Special low temperature requirements for valves
35 Annex C (informative) Inspection of 3 ¼ inch ACME Couplings
C.1 Introduction
C.2 Definitions
36 C.3 Visual examination
C.4 Dimensional check
37 Table C.1 — Acceptable thread sizes
38 Annex D (normative) Dry disconnect couplings
Figure D.1 — Pressure vessel unit with flange
39 Figure D.2 — Pressure vessel unit with thread
Figure D.3 — Hose unit with flange
40 Figure D.4 — Hose unit with thread
41 Figure D.5 — Coupling DN 80 for product line
42 Figure D.6 — Coupling DN 50 for vapour line
43 Annex E (normative) Production testing and inspection
44 Table E.1 — Production testing of valves and fittings
45 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC
Table ZA.1 — Correspondence between this European Standard and Directive 97/23/EC
46 Bibliography

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BS EN 13175:2014
$189.07