Leakage rate and pressure loss
THE DOUBT
Technical standards often require external leakage test on components to be used in a gas plant, or even on the plant itself; however, the measureme...
Gas Furnaces - CE Marking
ATEX Zone 2 - 22 and Notified Body
THE DOUBT:
My Machine will be installed in Zone 2 (22). Do I need to involve a Notified Body?
CONSIDERATIONS:
Here what the ATEX Directive 2014/35/EU states ...
ATEX Risk
Brexit and UKCA mark
Starting from 1 January 2021, United Kingdom is officially outside of the European Union; the new UKCA mark will substitute CE mark for products placed on marke...
Machinery Directive
How an ISO standard is developed?
A new ISO standard has to go through six maturity stages:
(10) PROPOSAL STAGE: we are at the very beginning: the very first document is called new work item pr...
Machinery Safety
EN 60204-1: Is it possible to delegate safety aspects to the users?
THE DOUBT
Can the machinery manufacturer require the user to install a Fuse or a Circuit Breaker to protect its Electrical Equipment? Can he require th...
Electrical Safety and Arc Flash Mitigation
Is manual reset a safety function?
THE DOUBT:
Should the Reset button in a machinery be handled by a safety module, or can it be one of several inputs to the Automation PLC?
The question can be ...
Functional Safety
Is it permissible to install the switch disconnector on the door of an industrial control panel?
THE DOUBT
When analysing switchboards, we sometimes notice that the main disconnector-switch is installed directly on the door of the switchboard, instead of o...
Electrical Safety and Arc Flash Mitigation
The old and the new approach of EU Legislation
Historically, EU legislation for goods has progressed through four main phases:
the traditional approach or ‘Old Approach’ with detailed texts c...
Machinery Directive
Could access to harmonised standards become free of charge?
harmonised standards free
Machinery Directive
Is the EU going to make Harmonised Standards compulsory?
compulsory harmonised standard
Machinery Directive
Type A, B and C Standards
Harmonized standards play an important role in the EU Legislation for the CE Marking of Machineries. ISO classifies the 800+ International technical standards h...
Machinery Safety
Circuit breakers
Circuit breakers are meant to protect the circuit from overcurrents, which can be divided in two categories:
overload, i.e. a current that settles in...
Electrical Safety and Arc Flash Mitigation
