8
TECHNICAL DATA
66
H250
www.krohne.com
04/2009 - 4000269302 MA H250-R02
Materials
Other options:
•
Special materials on request: e.g. SMO 254, titanium, 1.4435
•
Float damping: ceramic or PEEK
•
Gasket for devices with female thread as insert: O-ring FPM / FKM
Temperatures
Temperatures
Temperatures
Temperatures
Temperatures H250/M9 - mechanical indicator without power supply
Device
Flange / raised face Measuring
tube
Float
Float stop /
guide
Ring orifice
H250 /RR
Stainless Steel
CrNi steel 1.4404
massive
1
CrNi steel 1.4404
1
-
H250/HC
Hastelloy
®
CrNi steel 1.4571 with
plated Hastelloy
®
C4
(2.4610)
1
Hastelloy
®
C4 (2.4610)
-
H250/C
Ceramic/PTFE
CrNi steel 1.4571
with TFM/PTFE liner
2
PTFE or Al
2
O
3
with FFKM gasket
Al
2
O
3
and PTFE
Al
2
O
3
H250/F - Food
CrNi steel 1.4435
-
1
CrNi steel 1.4571 on request, for clamp connection CrNi steel 1.4435
2
TFM/PTFE liner (electrically non-conductive)
INFORMATION!
H250/C - DN100 / 4" only PTFE
H250/F: wetted surfaces Ra
≤
0.8
μ
m, optional
≤
0.6
μ
m
DANGER!
For devices to be used in hazardous areas, special temperature ranges apply. These can be
found in the separate instructions.
Float
Liner
Product temperature
Ambient temperature
[
°
C]
[
°
F]
[
°
C]
[
°
F]
H250/RR
Stainless Steel
Stainless Steel
-196...+300
-321...+572
-40...+120
-40
…
+248
H250/RR screw fitting
-20
…
+120
-4
…
+248
H250/HC
Hastelloy
®
C4
Hastelloy
®
C4
-196...+300
-321...+572
-40...+120
-40
…
+248
H250/C
PTFE
PTFE
-196...+70
-321...+158
-40...+70
-40
…
+158
H250/C
Ceramic
PTFE
-196...+150
-321...+302
-40...+70
-40
…
+158
H250/C
Ceramic
TFM
-196...+250
-321...+482
-40...+120
-40
…
+248
H250 H/U
Stainless Steel
Stainless Steel
-40...+100
-40
…
+212
-20
…
+90
-4
…
+194
MA_H250_R02_en_PRT.book Page 66 Tuesday, September 22, 2009 12:26 PM
