BF -Chemical seal with flush diaphragm0 pages

For technical data sheets and dimensional drawings please refer to our website www.badotherm.com
03/09/2007 rev 2-B
188
chemical seals
3.1.1.
typical “BF” seal applications
to combine with industrial process transmitters.
to combine with mechanical pressure gauges.
to combine with pressure switches.
chemical seal BF flush diaphragm, flanged type
technical specification model BF
Flanged connection
ASME 1” 1 1/2” / 2” 2” 3” 3” / 4”
DIN DN25 DN40/50 DN50 DN80 DN80/100
Diaphragm size in mm 32 44 57 72 89
Max. process pressure in bar at 20 °C 414 414 414 414 414
Max. capillary length in meter 6 10 15 15 15
Min. pressure range for PI in bar 2.5 1.6 0.6 0.5 0.5
Min. span for GP & AP in mbar 4000 1250 600 200 80
Min. span for DP in mbar n.a. 300 100 20 10
ASME B 16.5
DIN 2501 (EN 1092-1 )
1” / 1 1/2” / 2” / 3” / 4” Other sizes acc ASME
150 / 300 / 600# > 600#
RF FF, groove, RJ,RTJ
Ra 3.2…6.3 ìm Other finishes
DN25 / 40 / 50 / 80 / 100 Other sizes acc DIN
PN10 / 25 / 40 > 40 bar
Form D-DIN2526, (Form B1) Other types and finishes
JIS On request
Process connection Standard Options
Wetted parts Standard Options
Flange AISI316 (L) Custom design
Diaphragm(weld in process) AISI316L
Instrument connection Standard Options
Capillary tubing Top entry Side entry
Threaded 1/2 bsp female Other sizes
Features Standard Options
Capillary tubing AISI316 Side entry
PVC sleeve black
Armoring AISI304 Polyolefin sleeve black
Polyolefin sleeve white
Filling fluid BSO22 Others see page 171
Diaphragm AISI316L On request
Temperature reducer All instruments except DP
Temperature compensator All instruments except PI
Full welded construction All instruments
Flushing rings For all DIN, ANSI flanges
Support handle On all flanges above 600#
Support pipe Heavy duty pipe on capillary
BAsecal calculation All transmitters with seals
Calibration on process conditions All instruments
Hydrogen applications Gold coating All AISI316 diaphragms
Special coatings PTFE, FEP, ECTFE, PFA