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BS EN 15807:2021

BS EN 15807:2021

$198.66

Railway applications. Pneumatic half couplings

Published By Publication Date Number of Pages
BSI 2021 52
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This document applies to pneumatic half couplings designed to couple either the brake pipes or main reservoir pipes of railway vehicles, without taking the type of vehicles and track-gauge into consideration.

This document gives the requirements for the design, dimensions, testing and quality assurance of pneumatic half couplings.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms and definitions
9 4 Symbols and abbreviated terms
5 Design and manufacture
5.1 Requirements
5.1.1 Brake pipe
5.1.2 Main reservoir pipe
5.1.3 Flexible hose
5.1.3.1 General
10 5.1.3.2 Bending
5.1.3.3 Behaviour under pressure
5.1.3.4 Bursting pressure
5.1.3.5 Adhesion of the reinforcement
11 5.1.3.6 Resistance of the tube and cover of the hose to repeated tensile loads
5.1.3.7 Residual deformation through static tensile loading of the tube of the hose
5.1.3.8 Impact resistance
5.1.3.9 Resistance to ozone cracking of the tube and cover of the hose under static conditions
5.1.3.10 Behaviour at low temperature
5.1.3.11 Ease of assembly of connections on the hoses
5.1.3.12 Resistance to uncoupling of connections on the hoses
12 5.1.3.13 Elongation resistance
5.1.3.14 Hardness
5.1.3.15 Kink resistance
5.1.3.16 Oil resistance of the flexible hose
5.1.4 Sealing washers
5.1.4.1 Dimensions
5.1.4.2 Hardness
13 5.1.4.3 Tensile characteristics
5.1.4.4 Deformation resistance
5.1.4.5 Water tightness
5.1.4.6 Oil resistance of the sealing washer
14 5.1.5 Coupling heads
5.1.6 Nipple
5.1.7 Hose clip
20 5.2 Compressed air quality
21 5.3 Ambient temperature
5.4 Environmental corrosion conditions
5.5 Leakage
5.6 Mechanical strength of assembly
5.7 External appearance
5.8 Fire behaviour
6 Type test methods
6.1 Sampling for type test
6.2 Test requirements
22 6.3 Test procedure flexible hose
6.3.1 Nature and proportion of the tests and inspections
23 6.3.2 Preparation of the test pieces
24 6.3.3 Bend test
25 6.3.4 Pressure test
6.3.5 Bursting test
6.3.6 Reinforcement adhesion test
6.3.7 Test of dynamic fatigue through repeated tensile loadings of the tube and cover
6.3.8 Test for residual deformation through static tensile loading after ageing
26 6.3.9 Impact test
28 6.3.10 Test for resistance to ozone cracking of the tube and cover under static conditions
6.3.11 Deflection at low temperature
29 6.3.12 Test for fitting of connections on hoses
31 6.3.13 Uncoupling test
32 6.3.14 Flare test
33 6.3.15 Hardness test
6.3.16 Kink resistance test
34 6.3.17 Influence of oil
6.4 Test procedure sealing washers
6.4.1 Nature and proportion of the tests and inspections
35 6.4.2 Preparation of the test pieces
6.4.3 Hardness test
6.4.4 Tensile strength test
6.4.5 Deformation tests
37 6.4.6 Water tightness test
38 6.4.7 Influence of oil
6.5 Test procedure pneumatic half coupling
6.5.1 Principle
39 6.5.2 Check of physical and geometrical characteristics
6.5.3 Hydraulic test of the assembly at given pressure
6.5.4 Leakage
6.5.4.1 General
6.5.4.2 Ambient temperature
40 6.5.4.3 Extreme temperatures
41 6.5.5 Corrosion test
6.5.6 Pull test
42 6.6 Documentation
7 Routine test
43 8 In-service assessment
9 Identification and marking
44 Annex A (informative)MRP pneumatic half coupling for use in the United Kingdom
A.1 Main reservoir pipe hose incorporating pneumatic half coupling with sealing star valve
46 A.2 MRP rescue hoses
A.3 MRP rescue coupling head
A.4 MRP rescue coupling head identification
47 Annex B (informative)In-service trial
B.1 General
B.2 Test set-up and sampling
B.3 Procedure
48 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2016/797/EU aimed to be covered

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BS EN 15807:2021
$198.66