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SNV - SN EN 15611

Railway applications - Braking - Relay valves

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Organization: SNV
Publication Date: 1 January 2011
Status: active
Page Count: 60
ICS Code (Railway rolling stock in general): 45.060.01
scope:

This European Standard is applicable to relay valves designed to control the brake cylinder pressure of compressed air brakes fitted to railway vehicles, in association with an air brake distributor valve or other control device, and in response to a change in vehicle load that is either continuously variable or in two stages i.e. empty - loaded.

Relay valves operating with other pressures, in particular the brake pipe pressure, are not included.

This European Standard specifies the requirements for the design, manufacture and testing of relay valves.

Document History

SN EN 15611+A1
November 1, 2022
Railway applications - Braking - Relay valves
This document is applicable to relay valves designated to control the brake cylinder pressure of compressed air brakes fitted to railway vehicles, in association with an air brake distributor valve...
SN EN 15611
October 1, 2020
Railway applications - Braking - Relay valves
This document is applicable to relay valves designated to control the brake cylinder pressure of compressed air brakes fitted to railway vehicles, in association with an air brake distributor valve...
SN EN 15611
January 1, 2011
Railway applications - Braking - Relay valves
This European Standard is applicable to relay valves designed to control the brake cylinder pressure of compressed air brakes fitted to railway vehicles, in association with an air brake distributor...
SN EN 15611
June 1, 2009
Railway applications - Braking - Relay valves
A description is not available for this item.

References

This document references:
EN ISO 228-2 - Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges
Published by CEN on February 26, 2003
A description is not available for this item.
This document references:
ISO 228-2 - Pipe Threads Where Pressure-Tight Joints Are Not Made on the Threads - Part 2: Verification by Means of Limit Gauges
Published by ISO on January 1, 1987
Scope and field of application This part of ISO 226 specifies the verification, by means of limit gauges, of cylindrical threads, the dimensions and tolerances of which are given in ISO 226-l. For...
This document references:
EN 15625 - Railway applications - Braking - Automatic variable load sensing devices
Published by CEN on February 1, 2021
This document applies to automatic variable load sensing devices designed to continuously sense the load of a railway vehicle and provide a pneumatic output signal that can be used by a relay valve...
This document references:
IEC 60721-3-5 - Classification of Environmental Conditions Part 3: Classification of Groups of Environmental Parameters and Their Severities - Section 5: Ground Vehicle Installations
Published by IEC on March 1, 1997
Scope and object This standard classifies the environmental conditions to which a product not forming part of the vehicle is subjected when installed in a ground vehicle. Such products are for...
This document references:
EN ISO 228-1 - Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
Published by CEN on February 26, 2003
This part of ISO 228 specifies the requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes 1/16 to 6 inclusive. Both internal and external...
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