Burkert Type 8041 - Manual (Page 10)

8
Technicaldata
6. TechnicAl DATA
6.1. conditions of use
Ambient temperature -10 °C...+60 °C
Air humidity < 80%, non condensated
Protection class acc. to
EN 60529 IP65, with cable connected and
cable gland tightened and cover
screwed on to the electronic module
Degree of pollution Degree 2 acc. to EN 61010-1
Installation category Category I acc. to EN 61010-1
Max height above see level 2000 m
6.2. conformity to standards and
directives
The device conforms to the EC directives through the following
standards:
• EMC: EN 50081-1, EN 61000-6-2
• LVD: EN 61 010-1
• Pressure: article 3§3 of the Pressure Directive 97/23/CE. Acc. to
the Pressure Directive 97/23/CE: the device can only be used in
the following cases (depending on the max. pressure, the DN of
the pipe and the fluid)
type of fluid conditions
Fluid group 1, par. 1.3.a Forbidden
Fluid group 2 par. 1.3.a
DN ≤ 32
or DN > 32 and PNxDN ≤ 1000
Fluid group 1 par. 1.3.b PNxDN ≤ 2000
Fluid group 2 par. 1.3.b
DN ≤ 200
or PN ≤ 10
or PNxDN ≤ 5000
6.3. mechanical data
Table 1 : Wetted parts
part material
Holder of the flow sensor
PVDF or stainless steel
1.4404 / 316L
Electrodes
Stainless steel
1.4404 / 316L
Clamp (only clamp version)
Stainless steel
1.4404 / 316L
Earthing ring (only if flow sensor holder in
PVDF) Stainless steel
1.4404 / 316L
Holder of the electrodes (only if flow
sensor holder in stainless steel)
PEEK
Seal of the flow sensor (version with
G2" nut)
FKM (FDA approved)
English
Type 8041