Storage and Transportation
Packaging
Beck GmbH
Druckkontrolltechnik
Ferdinand-Steinbeis-Straße 4
71144 Steinenbronn
Operating instructions – Pressure Switch - Model-930...EX
Rev.9
Page 6 of 18
3 Storage and Transportation
3.1 Packaging
The equipment is protected by packaging. The packaging is environmentally compatible and recy-
clable. The following main materials are used:
Cardboard
PE foam or PE film
Please use appropriate recycling companies to dispose of the packaging
3.2 Storage and Transportation Conditions
The following points must be observed in order to prevent damage:
Avoid severe mechanical stress caused by throwing, stacking and dropping.
Keep out of wet and rainy environments
Do not subject to direct sunlight for long periods
The storage temperature must not be lower than -40 °C or higher than +85 °C
4 Installation
The following checks must be performed prior to installing the equipment:
The equipment must not show signs of damage or obvious modifications
The IP protection class of the equipment must correspond with the usage
and environmental conditions
An operator zone definition must be available
Check whether the equipment category corresponds with the specified zones
With intrinsically safe systems (“i") the “associated operating materials" (barrier) must al-
ways be installed outside the potentially explosive area.
The labelling of the product must point out that important explosion protection characteris-
tics must be complied with during use.
G = Gas, D= Dust
Equipment Protection Level
EPL / zone area
Parameters:
Temperature class
(T1...T6)
Explosion group (A, B, C)
Additional information for use in areas
where
there is a risk of dust explosion:
The details of the maximum surface
temperature are valid only for a dust allowance of a maximum of 5 mm.
At higher dust de-
posits must be reduced with the surface temperature.
Determining the maximum permissible surface temperature
Dust cloud with ignition temperature -T
CL
: T
max1
= 2/3 T
CL
Dust layers with glow temperature -T
5mm
: T
max2
= T
5mm
– 75
o
C
The smaller value of both must be considered for the maximum permitted surface tempera-
ture. To prevent from dangerous temperature rises dust deposits should be avoided (ap-
propriate mounting position, use of protection covers, regular cleaning..)
For the installation procedure it is necessary to take care that no electrostatic charging will
be done (no high volume flow, cleaning only with damp cloth,…)
Equipment Pro-
tection Level
EPL
Zone
Equipment
category
0
20
1
21
2
22
1 G,D
Ga,Da
yes
yes
yes
2 G, D
Gb,Db
no
yes
yes
3 G,D
Gc ;Dc
no
no
yes
