ABB FSM4000 - Sensor SE21; SE21 F Minimum Pressure and Cleaning Temperature

FSM4000 ELECTROMAGNETIC FLOWMETER | OI/FSM4000-EN REV. E 129
Sensor SE21 / SE21F
Minimum permissible absolute pressure
Liner
Nominal diameter
DN
P
Operation
mbar abs
at
T
Operation
1)
°C
PFA
3 to 100
(1/10 to 4“)
0
≤
130 °C
(266 °F)
1) For CIP/SIP cleaning, higher temperatures are permitted for limited time
periods; refer to the table entitled ‘Maximum permissible cleaning
temperature’.
Maximum permissible cleaning temperature
CIP cleaning
Liner
T
max
T
max
Minutes
T
amb.
Steam cleaning
PFA
150 °C
(302 °F)
60
25 °C
(77 °F)
Wet cleaning
PFA
140 °C
(284 °F)
60
25 °C
(77 °F)
If the ambient temperature is > 25 °C (77 °F), then the difference must be
subtracted from the max. cleaning temperature.
T
max – Δ °C, Δ °C = (Tamb - 25 °C)
Maximum Allowable Temperature Shock
Lining
Temp shock max. temp.
diff. °C
Temp. gradient °C/min
PFA
Any
Any
Maximum permissible ambient temperature as a
function of measuring medium temperature
A
Ambient temperature T
amb.
B
Measuring medium temperature T
medium
Figure 79: Temperature graph
Sensor material
Liner
Electrode material
Electrode design
Standard
Others
Standard
Others
PFA
Hast.-
C4
(2.4610)
(1.4539
[904 L]
for pipe
conn. and
Tri-
Clamp)
Hast.-
B3
(2.4600),
1.4539
(904 L),
1.4571
(316 Ti),
Titanium,
tantalum,
platinum
-
iridium
Flat head
Pointed head
(≥
DN
10) 1.4539
(904 L)
⅛” sanitary connectors always with 2 grounding electrodes in
the same material as measuring electrodes, standard.
Process connection material
Process connection
Standard
Flange
Stainless steel 1.4571 (316 Ti)
Wafer type
without
Welded spuds
Stainless steel 1.4404 (316 L)
Pipe fitting
Stainless steel 1.4404 (316 L)
Tri
-Clamp
Stainless steel 1.4404 (316 L)
External threads
Stainless steel 1.4404 (316 L)
Terminal box
•
without/with
preamplifier, type A
•
with preamplifier,
type B
Stainless steel 1.4301 (304)
Aluminum alloy, painted, paint coat frame: dark
gray, RAL 7012 cover: light gray,
RAL 9002
Meter tube
Stainless steel 1.4301 (304)
Cable gland
Polyamide
Flowmeter sensor housing
Stainless steel 1.4301 (304)
Gasket material (internal)
Process connection
Standard
Option
Wafer type
without
—
Welded spuds
Pipe fitting
Tri
-Clamp
External threads
EPDM (Ethylene
-
Propylene) with FDA
approval, silicone with
FDA approval (CIP
-
resistant, no oils or
grease)
Silicon with FDA approval
(optional, resistant to
oils and grease)
PTFE with FDA approval
(DN
3 to 8)
Flat gaskets
Silicon (resistant to oil,
grease)
—