EXT - Chemical seal with extended diaphragm0 pages

For technical data sheets and dimensional drawings please refer to our website www.badotherm.com
03/09/2007 rev 2-B
194
chemical seals
3.1.1.
typical “EXT” seal applications
to combine with industrial process transmitters.
to combine with mechanical pressure gauges.
to combine with pressure switches
chemical seal EXT extended diaphragm, flanged type
ASME B 16.5
DIN 2501 (EN 1092-1 )
2” / 3” / 4” Other sizes acc ASME
150 / 300 / 600# > 600#
RF FF, groove, RJ, RTJ
Ra 3.2…6.3 ìm Other finishes
DN50 / 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
Instrument connection Standard Options
Capillary Top entry Side entry, threaded
Features Standard Options
Capillary tubing AISI316
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
Lining on extension Tantalum
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 EXT
Wetted parts Standard Options
Flange with extension AISI316 (L) Exotic materials
Hastelloy B2, Monel,
Diaphragm (weld in process) AISI316 (L) Tantalum, Titanium
Inconel600, Inconel686
Hastelloy C276, Silver
Flanged connection
ASME 2” 3” 4”
DIN DN50 DN80 DN100
Diaphragm size in mm 44 72 89
Max. process pressure in bar at 20 °C 414 414 414
Max. capillary length in meter 10 15 15
Min. pressure range for PI in bar 1.6 0.5 0.5
Min. span for GP & AP in mbar 1250 200 80
Min. span for DP in mbar 300 20 10