BRF -Raised face covered 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
190
chemical seals
3.1.1.
typical “BRF” seal applications
to combine with industrial process transmitters.
to combine with mechanical pressure gauges.
to combine with pressure switches.
chemical seal BRF flush diaphragm, flanged type
Wetted parts Standard Options
Flange AISI316 (L) Exotic materials
Diaphragm Hastelloy B2, Monel
(fully covered raised face) Hastelloy C276 Tantalum, Silver, AISI316L
Inconel 600, Inconel 686
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 Other facing
Factory standard face finish
DN25 / 40 / 50 / 80 / 100 Other sizes acc DIN
PN10 / 25 / 40 > 40 bar
Factory standard face finish
JIS On request
Process connection Standard Options
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
Armoring AISI304 PVC sleeve black
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
technical specification model BRF
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