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NR BR 817

Electro-Hydraulic Power Equipment for Point Operation

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Organization: NR
Publication Date: 1 August 1990
Status: active
Page Count: 14
scope:

This specification is for electro-hydraulic power packs and linear actuator units for use in operating the movable tongues of railway track points by high pressure oil hydraulics.

Document History

NR BR 817
August 1, 1990
Electro-Hydraulic Power Equipment for Point Operation
This specification is for electro-hydraulic power packs and linear actuator units for use in operating the movable tongues of railway track points by high pressure oil hydraulics.

References

This document references:
NR BRS-SM 541/10 - Hose Connections Non-Conductive for Electro-Hydraulic Power Equipment for Point Operation
Published by NR on August 9, 1996
A description is not available for this item.
This document references:
NR BRS-SM 544 - Rail Clamp Point Lock Pump Lever Handle for Electro-Hydraulic Power Pack Manual Operation
Published by NR on June 18, 1973
A description is not available for this item.
This document references:
BS 5540-4 - Evaluating Particulate Contamination of Hydraulic Fluids Part 4: Method of Defining Levels of Contamination (Solid Contaminant Code)
Published by BSI on October 31, 1988
Specifies a simple numerical code whereby the level and distribution characteristics of contaminants may be described.
This document references:
NR BRS-SM 541 - Hose Connections for Electro-Hydraulic Power Equipment for Point Operation
Published by NR on August 9, 1996
A description is not available for this item.
This document is referenced by:
NR RT/E/PS/00002 - Adjustable Tie Bar for Rail Clamp Point Lock (aka NR/PS/SIG/00002)
Published by NR on December 1, 1999
This specification states the requirements for the design, manufacture and testing of the Adjustable Tie Bar. The requirements of this specification apply to the design of Adjustable Tie Bars to suit...
This document is referenced by:
NR BR 865 - Specification for Transformer-Rectifier Units for General Railway Signalling Purposes
Published by NR on July 1, 1990
GENERAL This specification applies to transformer-rectifier units, suitable for general railway signalling purposes, whose nominal mean output voltage does not exceed 175 V irrespective of input...
This document is referenced by:
NR/GN/SIG/CAT006 - Index of NR Documents Relating to Signalling & Communications Equipment
Published by NR on June 2, 2012
This standard represents historical information and best practice for equipment and systems that are still found on the infrastructure. This is not a mandatory standard and users should check...
This document is referenced by:
NR/L2/SIG/11201 ISSUE 18 - Signalling Design Handbook
Published by NR on December 2, 2023
This standard lays down the requirements for: a) the design of signalling works applicable to the infrastructure; b) the design of signalling systems; c) the design of software and data used in...
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