KROHNE H250 M8-M9-M10 EN - Manual (Page 66)

8
TECHNICAL DATA
66
H250
www.krohne.com 04/2011 - 4000269302 MA H250-R02 en
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 Measur.
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-Stahl 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-Stahl 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 μm, optional ≤0.6 μm
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 -196...+300 -321...+572 -40...+120 -40…+248
H250/RR screw fitting -20…+120 -4…+248
H250/HC 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 / Ceramic -196...+250 -321...+482 -40...+120 -40…+248
H250 H/U Stainless Steel -40...+100 -40…+212 -20…+90 -4…+194
MA_H250_R02_en_269302_PRT.book Page 66 Tuesday, April 12, 2011 10:17 AM