NEN-EN 1804-3:2019 Ontw. en
Current
The latest, up-to-date edition.
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: Hydraulic and electro hydraulic control systems
Hardcopy
English
22-02-2019
Important note : Users cannot be edited or removed once added to your Multi user PDF.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, fittings, shut-off devices, measuring devices, filters, built-in pressure limiting and check valves in legs and rams and water spraying and dust suppression valves, as well emergency stop, start warning, locking- and control unit when used as specified by the manufacturer or his authorized representative.
| Committee |
TC 196
|
| DocumentType |
Draft
|
| Pages |
0
|
| ProductNote |
THIS STANDARD IDENTICAL TO prEN 1804-3:2019 THIS STANDARD ALSO REFERS TO EN 981
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.