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  • BSI
    BS EN 1804-3:2020 Machines for underground mines. Safety requirements for hydraulic powered roof supports - Hydraulic and electro hydraulic control systems
    Edition: 2021
    $500.66
    / user per year

Description of BS EN 1804-3:2020 2021

This document specifies the safety requirements for hydraulic and electro hydraulic control devices, including hydraulic valves and their control elements, valve combinations, control systems, pipes and hose assemblies, measuring devices, built-in pressure limiting and check valves in legs and rams and, as well emergency stop, start warning, blocking- and control unit when used as specified by the manufacturer or his authorized representative. Excluded are pressure generators, and internal valves of legs and rams (e.g. leg bottom valves, see EN 1804?2:2020).

NOTE

Some components are dealt with in other parts of this standard.

This document applies to hydraulic and electro hydraulic control devices at ambient temperatures from –10 °C to 60 °C.

This document identifies and takes into account:

  1. possible hazards which can be caused by the operation of hydraulic and electro hydraulic control devices;

  2. areas and operating conditions which can create such hazards;

  3. hazardous situations which can cause injury or can be damaging to health;

  4. hazards which can be caused by firedamp and/or combustible dusts.

This document describes methods for the reduction of these hazards.

A list of significant hazards covered appears in Clause 4.

This document does not specify any additional requirements for:

  1. use in particularly corrosive environments;

  2. hazards occurring during construction, transportation, decommissioning;

  3. earthquakes.

A complete hydraulic powered roof support consists of the support units ( EN 1804-1:2020), legs and support rams ( EN 1804-2:2020) and the hydraulic and electro hydraulic controls ( EN 1804?3:2020). Each part of this multipart document addresses the safety requirements of the components mentioned in the scopes of the respective parts of this multipart series.

This document is not applicable to hydraulic and electro hydraulic control systems manufactured before the date of its publication.



Standard NumberBS EN 1804-3:2020
TitleMachines for underground mines. Safety requirements for hydraulic powered roof supports - Hydraulic and electro hydraulic control systems
StatusDefinitive
Publication Date2021-01-15
ReplacesBS EN 1804-3:2006+A1:2010
Identical National Standard OfEN 1804-3
DescriptorsCut-out devices, Control equipment, Equipment safety, Flexible pipes, Filters, Underground mining, Safety valves, Control devices, Mining equipment, Hydraulic equipment, Pipes, Supports, Control systems, Check valves, Roofs, Mines
ICS73.100.10 Tunnelling and tubing equipment
CommitteeMRE/1
ISBN978 0 539 02209 4
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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