19
P1D
Cylinder
05.03
www.parker.com/euro_pneumatic
Levels of protection for the various equipment categories
The various equipment categories must be capable of operating in
accordance with the manufacturer’s operating specifications at defined
levels of protection.
Level of
Category
Type of protection
Operating specifications
protec-
Group
Group
tion
I
II
Very
M1
Two independent means of protection or safety, ensuring that
The equipment remains energised and
high
the equipment remains functional even in the event of two faults
and functional even with an explosive
occurring independently of each other
atmosphere present
Very
1
Two independent means of protection or safety, ensuring that
The equipment remains energised and
high
the equipment remains functional even in the event of two faults
functional in zones 0, 1, 2 (G) and/or
occurring independently of each other
zones 20, 21, 22 (D)
High
M2
Protection suitable for normal operation and severe
The equipment is de-energised in the
operating conditions
event of an explosive atmosphere
High
2
Protection suitable for normal operation and frequent faults, or
The equipment remains energised and func-
equipment in which faults normally have to be taken into account tional in zones 1, 2 (G) and/or zones 21, 22 (D)
Normal
3
Protection suitable for normal operation
The equipment remains energised and func-
tional in zones 2 (G) and/or zones 22 (D)
G = gas and D = dust
Temperature classes
Classification of flammable gases and vapours on the basis of ignition temperature
Group
I
II
mines, combustible vapours
other potentially explosive atmospheres (gases, dust)
Category
M1
M2
1
2
3
Atmosphere*
G
D
G
D
G
D
Zone
0
20
1
21
2
22
Declaration of conformity
The product catalogues contain copies of the declaration of conformity
demonstrating that the product meets the requirements of directive 94/9/
EC.
The declaration is only valid in conjunction with the instructions
contained in the installation manual relating to the safe use of the
product throughout its service life.
The instructions relating to the conditions in the surrounding area are
particularly important, as the certificate is invalidated if the instructions
are found not to have been adhered to during operation of the product.
If there is any doubt as to the validity of the certificate of conformity,
contact Parker Hannifin customer service.
Temperature class
Ignition temperature °C
T1
Over 450
T2
(300) – 450
T3
(200) – 300
T4
(135) – 200
T5
(100) – 135
T6
(85) - 100
Operation, installation and maintenance
The installation manual of the product contains instructions relating to
the safe storage, handling, operation and servicing of the product.
The manual is available in different languages, and can be downloaded
from
www.parker.com/euro_pneumatic
.
This document must be made accessible in a suitable place near where
the product is installed. It is used as a reference for all personnel
authorised to work with the product throughout its service life.
We, the manufacturer, reserve the right to modify, extend or improve the
installation manual in the interests of the users.
For more information about ATEX see EUs homepage:
http://europa.eu.int/comm/enterprise/atex/
Definition of groups
(EN 1127-1)
Group I
Equipment intended for use in underground parts of mines as well as those parts of surface installations of such mines likely to be
endangered by flammable vapours and/or flammable dusts.
Group II
Equipment intended for use in other places exposed to explosive atmospheres.
