Anderson Greenwood Guide: ATEX - Operating and Safety Instructions, Anderson Greenwood-EN Manuals & Guides
ANDERSON GREENWOOD SAFETY AND RELIEF VALVES
ATEX - OpErATing And sAfETy insTrucTiOns
Before installation these instructions must be fully read and understood
Additional Safety Instructions for Valves
and Accessories being used in a Potentially
Explosive Atmosphere under ATEX 94/9.
REFERENCE
These are additional safety instructions to PED
document numbers:
AGCDR-0049 AGCDR-0050, AGCDR-0054,
AGCDR-0065 and AGCDR-0066.
See also: Emerson.com/FinalControl
MARKING
To be strictly in accordance with the
requirements of ATEX 94/9/EC, and includes:
• CE and Epsilon X (EX Mark)
• Equipment Group II.
• Equipment Category (1, or 2 or 3, as label).
• Type of explosive atmosphere, GD.
• Notified Body Certificate number, where this
is applicable.
SELECTION
• Ensure that the equipment is marked with the
correct equipment group, category and type
of atmosphere for the application and that the
safety instructions are followed for each item
of the equipment.
• In particular, all items included in an actuator
package, including valve, actuator and all
accessories should be CE marked to ATEX in
the appropriate and / or requested category.
• Ensure that the equipment is suitably
earthed, through the pipe or individually.
• The installer should thoroughly follow the
operating and safety instructions provided for
each individual item of equipment.
• When the valve is to handle hot fluids or fluids
where exothermic reactions may take place,
the end user must take all the necessary
measures to ensure that the hot surface of
the valve cannot provide a source of ignition
to the surrounding gas, vapor, mist or dust
atmosphere.
• Before putting into use or during operation
with a dangerous fluid, ensure that no release
of the fluid to atmosphere can take place.
MAINTENANCE
• The operator must ensure that only personnel
qualified to work in a potentially hazardous
area are allowed to carry out maintenance
appropriate to the category of the equipment
in use.
• The end user must ensure that only tooling
appropriate to the working area is used,see
EN1127-1 Annex A.
• All equipment must only be fitted with
manufacturer’s original spare parts.
TEMPERATURE LIMITS
The valve is not heat generating, the
temperature is a function of the process fluid.
INSTALLATION
• The installer must only use tooling
appropriate to the working area, see
EN1127-1 Annex A.
• Installation has to be carried out at ambient
temperature.
• During installation ensure that no metallic
shocks / impacts are made to the equipment
or the adjacent pipework.
Emerson.com/FinalControl VCOSI-01086-EN 18/01
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